Reaffirmed Standards : ETD 2


S.No. IS Number IS Title Reaffirmation Year Category Document Comment
1 IS 10026 : Part 1 : 1998 Insulating varnishes containing solvents: Part 1 definitions and general requirements (First Revision) 2018 Terminology  Buy
2 IS 10026 : Part 2 : 1999 Insulating varnishes containing solvents: Part 2 methods of tests (First Revision) 2019 Methods of tests  Buy
3 IS 10026 : Part 3 : Sec 1 : 1999 Insulating varnishes containing solvents: Part 3 specifications for individual materials: Sec 1 requirements for cold curing finishing varnishes (First Revision) 2019 Product Specification  Buy
4 IS 10026 : Part 3 : Sec 2 : 1999 Insulating varnishes containing solvents: Part 3 specifications for individual materials: Sec 2 requirements for hot curing varnishes (First Revision) 2019 Product Specification  Buy
5 IS 10026 : Part 3 : Sec 3 : 1983 Specification for insulating varnishes containing solvents: Part 3 specifications for individual materials: Sec 3 air drying varnishes with temperature index 130 2016 Product Specification  Download
6 IS 10026 : Part 3 : Sec 4 : 1983 Specification for insulating varnishes containing solvents: Part 3 specifications for individual materials: Sec 4 baking varinishes with temperature index 120 2016 Product Specification  Download
7 IS 10026 : Part 3 : Sec 5 : 1983 Specification for insulating varnishes containing solvents: Part 3 specifications for individual materials: Sec 5 baking varnishes with temperature index 130 2016 Product Specification  Download
8 IS 10026 : Part 3 : Sec 6 : 1983 Specification for insulating varnishes containing solvents: Part 3 specifications for individual materials: Sec 6 baking varnishes with temperature index 155 2016 Product Specification  Download
9 IS 10026 : Part 3 : Sec 7 : 1983 Specification for insulating varnishes containing solvents: Part 3 specifications for individual materials: Sec 7 baking varnishes with temperature index 180 2021 Product Specification  Download
10 IS 10026 : Part 3 : Sec 8 : 1986 Specification for insulating varnishes containing solvents: Part 3 specifications for individual materials: Sec 8 baking varnishes with temperature index 200 2018 Product Specification  Download
11 IS 10026 : Part 3 : Sec 9 : 1986 Specification for insulating varnishes containing solvents: Part 3 specifications for individual materials: Sec 9 baking varnishes with temperature index 130 for magnetic core sheets 2018 Product Specification  Download
12 IS 10163 : Part 1 : 1982 Recommended methods of tests for the determination of dielectric properties of insulating materials at frequencies above 300 MHZ: Part 1 general 2018 Methods of tests  Buy
13 IS 10192 : 1982 Specification for synthetic resin bonded glass fibre (SRBGF) for electrical purposes 2020 Product Specification  Buy
14 IS 10333 : 1982 Specification for epoxy resin systems for cast resin insulated power and control cable joints and terminations up to and including 11 kV 2018 Product Specification  Download
15 IS 10581 : 1983 Methods of test for the determination of ionic impurities in electrical insulating materials by extraction with liquids 2020 Methods of tests  Buy
16 IS 11182 : Part 1 : 1984 Guide for the evaluation of insulation systems of electrical equipment: Part 1 identification, evaluation and ageing mechanisms 2021 Terminology  Buy
17 IS 11182 : Part 2 : 1984 Guide for the evaluation of insulation systems of electrical equipment: Part 2 thermal endurance test procedures 2021 Terminology  Buy
18 IS 11182 : Part 3 : Sec 1 : 1986 Guide for the evaluation of insulation systems of electrical equipment: Part 3 electrical endurance test procedures: Sec 1 general considerations and evaluation procedures based on normal distributions 2021 Terminology  Buy
19 IS 11182 : Part 3 : Sec 2 : 1996 Guide for the evaluation of insulation systems of electrical equipment: Part 3 electrical endurance test procedures: Sec 2 evaluation procedures based on extreme - Value distributions 2021 Terminology  Buy
20 IS 11182 : Part 5 : 1993 Guide for evaluation of insulation systems of electrical equipment: Part 5 mechanical endurance functional tests 2019 Terminology  Buy
21 IS 11182 : Part 6 : 1986 Guide for the evaluation of insulation systems of electrical equipment: Part 6 performance evaluation based on service experience and functional tests 2021 Terminology  Buy
22 IS 11182 : Part 7 : Sec 1 : 1986 Guide for the evaluation of insulation systems of electrical equipment: Part 7 multi-factor functional testing: Sec 1 test procedures 2021 Terminology  Buy
23 IS 11221 : 1984 Recommended test methods for determining the relative resistance of insulating materials to breakdown by surface discharges 2021 Methods of tests  Buy
24 IS 11256 : Part 1 : 1985 Method of test for determination of thermal endurance of insulating varnishes: Part 1 electric strength method 2016 Methods of tests  Buy
25 IS 11256 : Part 2 : 1985 Method of test for determination of thermal endurance of insulating varnishes: Part 2 measurement of loss of mass 2021 Methods of tests  Buy
26 IS 11256 : Part 3 : 1985 Method of test for determination of thermal endurance of insulating varnishes: Part 3 bond strength by helical coil method 2021 Methods of tests  Buy
27 IS 11297 : Part 1 : 1985 Specification for varnished fabrics for electrical purposes: Part 1 definitions and general requirements 2021 Others  Buy
28 IS 11297 : Part 2 : 1988 Specification for varnished fabrics for electrical purposes: Part 2 methods of tests 2020 Methods of tests  Buy
29 IS 11297 : Part 3 : Sec 1 : 1988 Specification for varnished fabrics for electrical purposes: Part 3 specifications for individual materials: Sec 1 glass fabric backed varnished fabrics 2020 Product Specification  Buy
30 IS 11298 : Part 1 : 1985 Specification for plastic films for electrical purposes: Part 1 definitions and general requirements 2021 Product Specification  Buy
31 IS 11298 : Part 3 : Sec 1 : 1991 Plastic films for electrical purposes - Specification: Part 3 specifications for individual materials: Sec 1 polypropylene films for capacitors (First Revision) 2020 Product Specification  Buy
32 IS 11298 : Part 3 : Sec 2 : 1990 Plastic films for electrical purposes - Specification: Part 3 specifications for individual materials: Sec 2 metallized polypropylene films 2019 Product Specification  Download
33 IS 11298 : Part 3 : Sec 3 : 1998 Plastic films for electrical purposes: Part 3 specifications for individual materials: Sec 3 requirements for balanced biaxially oriented polyethylene Terephthalate (PET) films used for electrical insulation 2018 Product Specification  Buy
34 IS 11298 : Part 3 : Sec 4 : 1998 Plastic films for electrical purposes: Part 3 specifications for individual materials: Sec 4 requirements for polycarbonate (PC) films used for electrical insulation 2018 Product Specification  Buy
35 IS 11298 : Part 3 : Sec 8 : 1998 Plastic films for electrical purposes: Part 3 specifications for individual materials: Sec 8 requirements for fluoroethylene - Propylene (FEP) films used for electrical insulation 2018 Product Specification  Buy
36 IS 11298 : Part 3 : Sec 5 to 7 : 1998 Plastic films for electrical purposes: Part 3 specifications for individual materials: Sec 5 to 7 requirements for polyimide films used for electrical insulation 2018 Product Specification  Buy
37 IS 11654 : Part 3 : Sec 1 : 1988 Specification for flexible insulating sleeving: Part 3 specifications for individual types of sleevings: Sec 1 general purpose grade sleeving with temperature index 90 2020 Others  Buy
38 IS 11654 : Part 3 : Sec 103 : 1989 Specification for flexible insulating sleevings: Part 3 specifications for individual types of sleevings: Sec 103 general purpose - Grade sleeving with unilateral tolerances with temperature index 90 2020 Product Specification  Buy
39 IS 11654 : Part 3 : Sec 403 : 1989 Specification for flexible insulating sleeving: Part 3 specifications for individual types of sleevings: Sec 403 glass textile sleeving with acrylic based coating - High breakdown strength 2020 Product Specification  Buy
40 IS 11654 : Part 3 : Sec 404 : 1989 Specification for flexible insulating sleeving: Part 3 specifications for individual types of sleevings: Sec 404 glass textile sleeving with acrylic based coating - Medium breakdown strength 2020 Others  Buy
41 IS 11654 : Part 3 : Sec 405 : 1989 Specification for flexible insulating sleeving: Part 3 specifications for individual types of sleevings: Sec 405 glass textile sleeving with acrylic based coating - Lower breakdown strength 2020 Product Specification  Buy
42 IS 11654 : Part 3 : Sec 406 : 1989 Specification for flexible insulating sleeving: Part 3 specifications for individual types of sleevings: Sec 406 glass textile sleeving with pvc based coating - High breakdown strength 2020 Product Specification  Buy
43 IS 11654 : Part 3 : Sec 407 : 1989 Specification for flexible insulating sleeving: Part 3 specifications for individual types of sleevings: Sec 407 glass textile sleeving with pvc based coating - Medium breakdown strength 2020 Product Specification  Buy
44 IS 11654 : Part 3 : Sec 408 : 1989 Specification for flexible insulating sleeving: Part 3 specifications for individual types of sleevings: Sec 408 glass textile sleeving with pvc based coating - Lower breakdown strength 2020 Product Specification  Buy
45 IS 11731 : Part 1 : 1986 Methods of test for determination of flammability of solid electrical insulating materials when exposed to an igniting source: Part 1 horizontal specimen method 2021 Methods of tests  Buy
46 IS 11731 : Part 2 : 1986 Methods of test for determination of flammability of solid electrical insulating materials when exposed to an igniting source: Part 2 vertical specimen method 2021 Methods of tests  Buy
47 IS 1175 : 1981 Methods for grading and classification of muscovite mica blocks, thins and films (First Revision) 2016 Methods of tests  Download
48 IS 11755 : 1986 Method of test for Determination of electrical Resistance and resistivity of Insulating materials at elevated Temperatures 2021 Methods of tests  Buy
49 IS 11756 : 1986 Method of test for coefficients of friction of plastic film and sheeting for use as electrical insulation 2016 Methods of tests  Buy
50 IS 12316 : Part 1 : 1988 Specification for non - Cellulosic papers for electrical purposes: Part 1 definitions and general requirements 2020 Others  Buy
51 IS 12316 : Part 2 : 1988 Specification for non - Cellulosic papers for electrical purposes: Part 2 methods of test 2020 Methods of tests  Download
52 IS 12316 : Part 3 : Sec 1 : 1988 Specification for non - Cellulosic papers for electrical purposes: Part 3 requirements for individual materials: Sec 1 unfilled aramid (Aromatic Polyamide) papers calendered 2020 Others  Buy
53 IS 12316 : Part 3 : Sec 2 : 1988 Specification for non-cellulosic papers for electrical purposes: Part 3 requirements for individual materials: Sec 2 unfilled aramid (Aromatic Polyamide) paper, uncalendered 2020 Others  Buy
54 IS 12317 : Part 1 : 1988 Specification for ceramic and glass insulating materials for telecommunication and allied purposes: Part 1 general requirements and classification of ceramic and glass insulating materials 2020 Product Specification  Buy
55 IS 1271 : 2012 Electrical insulation - Thermal evaluation and designation (Second Revision) 2017 Others  Buy
56 IS 12747 : Part 1 : 2011 Combined flexible materials for electrical insulation: Part 1 definitions and general requirements (First Revision) 2016 Others  Buy
57 IS 12747 : Part 2 : 2012 Combined flexible materials for electrical insulation: Part 2 methods of test (First Revision) 2017 Methods of tests  Buy
58 IS 12747 : Part 3 : 2015 Combined flexible materials for electrical insulation: Part 3 specifications for individual materials (First Revision) 2021 Product Specification  Buy
59 IS 13066 : 1991 Prepreg based on glass woven fabric for electrical applications - Specification 2016 Others  Download
60 IS 13335 : 1992 Muscovite mica scrap for mica paper - Specification 2018 Others  Download
61 IS 13357 : 1992 Methods of grading and visual classification of muscovite mica splittings 2018 Others  Buy
62 IS 13465 : Part 1 : 2005 Resin based reactive compounds used for electrical insulation: Part 1 definitions and general requirements (First Revision) 2020 Others  Buy
63 IS 13465 : Part 2 : 2005 Resin based reactive compounds used for electrical insulation: Part 2 methods of test (First Revision) 2020 Methods of tests  Buy
64 IS 13465 : Part 3 : Sec 1 : 2006 Resin based reactive compounds used for electrical insulation: Part 3 specifications for individual materials: Sec 1 unfilled epoxy resinous compounds (First Revision) 2016 Product Specification  Buy
65 IS 13465 : Part 3 : Sec 2 : 2006 Resin based reactive compounds used for electrical insulation: Part 3 specifications for individual materials: Sec 2 quartz filled epoxy resinous compounds (First Revision) 2016 Product Specification  Buy
66 IS 13465 : Part 3 : Sec 3 : 2006 Resin based reactive compounds used for electrical insulation: Part 3 specifications for individual materials: Sec 3 unfilled polyurethane compounds (First Revision) 2016 Product Specification  Buy
67 IS 13465 : Part 3 : Sec 4 : 2006 Resin based reactive compounds used for electrical insulation: Part 3 specifications for - Individual materials: Sec 4 filled polyurethane compounds (First Revision) 2016 Product Specification  Buy
68 IS 13465 : Part 3 : Sec 5 : 1998 Solventless polymerisable resinous compounds used for electrical insulation - Specification: Part 3 specifications for individual materials: Sec 5 epoxy phenol novolac resin 2018 Product Specification  Download
69 IS 13465 : Part 3 : Sec 6 : 2006 Resin based reactive compounds used for electrical insulation 2006: Part 3 specifications for individual materials: Sec 6 unsaturated polyester based impregnating resins 2021 Others  Buy
70 IS 13508 : 1992 Test procedure for measurement of loss tangent angle of coils and bars for machine winding - Guide 2018 Others  Buy
71 IS 13884 : 1993 Muscovite mica flakes and mica powder for industrial applications 2018 Others  Download
72 IS 14353 : 1996 Guide for determining compatibility between enamelled winding wire and impregnating compounds 2021 Others  Download
73 IS 14672 : 1999 Method of test for high voltage low current dry arc resistance of solid electrical insulation 2019 Methods of tests  Download
74 IS 15208 : 2002 Unidirectional non - Woven semi - Cured glass fibre tape - Specification 2022 Others  Download
75 IS 15218 : Part 1 : 2002 Electrical insulating materials - Determination of the effects of ionizing radiation: Part 1 radiation interaction and dosimetry 2022 Others  Buy
76 IS 15652 : 2006 Insulating mats for electrical purposes - Specification 2016 Product Specification  Buy
77 IS 1576 : 1992 Solid pressboard for electrical purposes - Specification (First Revision) 2018 Product Specification  Download
78 IS 2259 : 1963 Methods of test for determination of insulation resistance of solid insulating materials 2020 Methods of tests  Buy
79 IS 2260 : 1973 Preconditioning, conditioning and testing of solid electrical insulating materials (First Revision) 2018 Methods of tests  Buy
80 IS 2448 : Part 1 : 1963 Specification for adhesive insucating tapes for electrical purposes: Part 1 tapes with cotton textile substrates 2020 Product Specification  Buy
81 IS 2464 : 1963 Specification for built-up mica for electrical purposes 2018 Product Specification  Buy
82 IS 2584 : 1963 Method of test for electric strength of solid insulating materials at power frequencies 2021 Methods of tests  Buy
83 IS 2824 : 2007 Method for the determination of the proof and the comparative tracking indices of solid insulating materials (Second Revision) 2017 Others  Buy
84 IS 3396 : 1979 Methods of test for volume and surface resistivity of solid electrical insulating materials (First Revision) 2021 Methods of tests  Buy
85 IS 4248 : 1967 Specification for non - Ignitable and self - Extinguishing boards (With Mineral Base) for electrical purposes 2018 Product Specification  Buy
86 IS 4249 : 1967 Classification and methods of tests for non - Ignitable and self - Extinguishing properties of solid electrical insulating materials 2018 Methods of tests  Buy
87 IS 4486 : 1967 Recommended methods for the determination of the permittivity and dielectric dissipation factor of electrical insulating materials at power, audio and radio frequencies including metre wavelengths 2018 Others  Buy
88 IS 4819 : 1968 Specification for thin vulcanized fibre sheet (Including Leatheroid) for electrical purposes 2021 Product Specification  Download
89 IS 5596 : 1970 Methods of test for determining deleterious substances in fibrous insulating materials 2020 Methods of tests  Buy
90 IS 5711 : 1970 Specification for vulcanized fibre rods and tubes for electrical purposes 2018 Product Specification  Buy
91 IS/IEC 60371 : Part 1 : 2003 Specification for insulating materials based on MICA: Part 1 definitions and general requirements 2016 Product Specification  Buy
92 IS/IEC 60371 : Part2 : 2004 Specification for insulating materials based on MICA: Part 2 methods of test 2017 Methods of tests  Buy
93 IS/IEC 60371 : Part 3 : Sec 1 : 2006 Specification for insulating materials based on mica, Part 3 Specification for individual materials, Section 1 Commutator Separators and materials 2016 Product Specification  Buy
94 IS/IEC 60371 : Part 3 : Sec 2 : 2005 Specification for Insulating Materials Based on MICA, Part 3 Specification for Individual Materials Section 2 Mica Paper 2017 Product Specification  Buy
95 IS/IEC 60371 : Part 3 : Sec 3 : 1983 Specification for Insulating Materials Based on MICA, Part 3 Specification for Individual Materials Section 3 Specification for Rigid Mica Materials for Heating Equipment 2021 Product Specification  Buy
96 IS/IEC 60371 : Part 3 : Sec 4 : 1992 Specification for insulating materials based on MICA, Part 3 Specifications for individual materials Section 4 Polyester film-backed mica paper with a B-stage epoxy resin binder 2021 Product Specification  Buy
97 IS/IEC 60371 : Part 3 : Sec 5 : 2005 Specification for Insulating Materials Based on MICA, Part 3 Specification for Individual Materials, Section 5 Glass-Backed Mica Paper with an Epoxy Resin Binder for Post Impregnation (VPI) 2022 Product Specification  Buy
98 IS/IEC 60371 : Part 3 : Sec 6 : 1992 Specification for Insulating Materials based on MICA, Part 3 Specifications for Individual Materials, Section 6 Glass backed Mica Paper with a B-stage Epoxy Resin Binder 2022 Product Specification  Buy
99 IS/IEC 60371 : Part 3 : Sec 7 : 1995 Specification for Insulating Materials Based on MICA Part 3 Specification for Individual Materials Section 7 Polyester Film Mica Paper with an Epoxy Resin Binder for Single Conductor Taping 2022 Product Specification  Buy
100 IS/IEC 60371 : Part 3 : Sec 8 : 1995 Specification for Insulating Materials Based on MICA Part 3 Specification for Individual Materials Section 8 Mica Paper Tapes for Flame Resistant Security Cables 2022 Product Specification  Buy
101 IS/IEC 60371_3_9 : 1995 Specification for Insulating Materials Based on MICA Part 3 Specification for Individual Materials Section 9 Moulding Micanite 2022 Product Specification  Buy
102 IS 6230 : 1970 Specification for woven asbestos tape for electrical insulating purposes 2018 Product Specification  Buy
103 IS 6659 : 1976 Electronic Grade Ceramic Materials 2021 Others  Download
104 IS 7084 : 1973 Specification for bitumen - Based filling compounds for electrical purposes 2018 Product Specification  Buy
105 IS 7571 : 1974 Methods of tests for ceramics for telecommunication and allied purposes 2020 Methods of tests  Buy
106 IS 7755 : 1975 Specification for high tension insulating cotton tape impregnated with bitumen - Based compound 2018 Product Specification  Download
107 IS 7809 : Part 1 : 1975 Specification for pressure sensitive adhesive tapes for electrical purposes: Part 1 general requirements 2023 Others  Buy
108 IS 7809 : Part 2 : 1977 Specification for pressure sensitive adhesive tapes for electrical purpose : Part 2 methods of test 2021 Methods of tests  Download
109 IS 7809 : Part 3 : Sec 1 : 1986 Specification for pressure sensitive adhesive insulating tapes for electrical purposes: Part 3 requirements or individual materials: Sec 1 plasticized polyvinylchloride tapes with non - Thermosetting adhesive (First Revision) 2016 Product Specification  Buy
110 IS 7809 : Part 3 : Sec 2 : 1981 Specification for pressure sensitive adhesive tapes for electrical purposes: Part 3 Specifications for individual materials: Sec 2 Polyester film tapes (PETP) with thermosetting adhesive 2021 Product Specification  Buy
111 IS 7809 : Part 3 : Sec 3 : 1981 Specification for pressure sensitive adhesive tapes for electrical purposes: Part 3 specification for individual materials: Sec 3 polyster film tapes (PETP) with non - Thermosetting adhesive 2021 Product Specification  Buy
112 IS 7809 : Part 3 : Sec 4 : 1977 Specification for pressure sensitive adhesive tapes for electrical purposes: Part 3 specifications for individual materials: Sec 4 cellulosic paper, creped with thermosetting adhesive 2018 Product Specification  Buy
113 IS 7809 : Part 3 : Sec 5 : 1977 Specification for pressure sensitive adhesive tapes for electrical purposes: Part 3 specifications for individual materials: Sec 5 cellulosic paper with thermosetting adhesive 2021 Product Specification  Buy
114 IS 8504 : Part 1 : 2012 Electrical insulating materials - Thermal endurance properties: Part 1 ageing procedures and evaluation of test results (Second Revision) 2017 Methods of tests  Buy
115 IS 8504 : Part 2 : 2013 Electrical insulating materials - Thermal endurance properties: Part 2 determination of thermal endurance properties of electrical insulating materials - Choice of test criteria (First Revision) 2023 Methods of tests  Buy
116 IS 8504 : Part 3 : 1994 Guide for determination of thermal endurance properties of electrical insulating materials Part 3: Statistical methods 2019 Methods of tests  Buy
117 IS 8504 : Part 4 : 2013 Electrical insulating materials - Thermal endurance properties: Part 4 instructions for calculating thermal endurance characteristics (First Revision) 2023 Methods of tests  Buy
118 IS 8504 : PART 5 : SEC 1 : 2012 Electrical Insulating Materials -Thermal Endurance Properties -Part 5 Ageing Ovens : Section 1 Single-chamber Ovens 2017 Product Specification  Buy
119 IS 8504 : PART 5 : SEC 2 : 2012 Electrical insulating materials - Thermal endurance properties: Part 5 ageing ovens: Sec 2 precision ovens for use up to 300°C 2017 Product Specification  Buy
120 IS 8504 : PART 5 : SEC 3 : 2012 Electrical insulating materials - Thermal endurance properties: Part 5 ageing ovens: Sec 3 multi - Chamber ovens 2017 Product Specification  Buy
121 IS 8504 : PART 6 : 2012 Electrical insulating materials - Thermal endurance properties: Part 6 determination of relative thermal endurance index (RTE) of an insulating material 2017 Methods of tests  Buy
122 IS 8504 : PART 7 : 2012 Electrical insulating materials - Thermal endurance properties: Part 7 determination of thermal endurance indices (TI And RTE) of an insulating material using the fixed time frame method 2017 Methods of tests  Buy
123 IS 8516 : 2011 Electrical insulating materials - Determination of electrolytic corrosion caused by insulating materials - Test methods (First Revision) 2016 Methods of tests  Buy
124 IS 8570 : 1977 Specification for presspaper for electrical purposes 2021 Product Specification  Buy
125 IS 9043 : 1979 Method for grading (By Size) of phlogopite mica blocks, thins and splittings 2021 Others  Buy
126 IS 9044 : 1979 Method of measuring thickness of mica blocks, thins, films and splittings 2016 Others  Buy
127 IS 9045 : 1979 Thermal classification of phlogopite mica splittings 2016 Others  Buy
128 IS 9335 : Part 3 : Sec 1 : 1984 Specification for cellulosic papers for electrical purposes: Part 3 specifications for individual materials: Sec 1 general purpose electrical paper 2021 Product Specification  Buy
129 IS 9335 : Part 3 : Sec 2 : 1985 Specification for cellulosic papers for electrical purposes: Part 3 specifications for individual materials: Sec 2 capacitor paper 2021 Product Specification  Buy
130 IS 9335 : Part 3 : Sec 3 : 1984 Specification for cellulosic papers for electrical purposes: Part 3 specifications for individual materials: Sec 3 crepe paper 2021 Product Specification  Buy
131 IS 9335 : Part 3 : Sec 4 : 1984 Specification for cellulosic papers for electrical purposes: Part 3 specifications for individual materials: Sec 4 electrolytic capacitor paper 2021 Product Specification  Buy
132 IS 9335 : Part 3 : Sec 5 : 1985 Specification for cellulosic papers for electrical purposes: Part 3 specifications for individual materials: Sec 5 special papers 2021 Product Specification  Buy
133 IS 9455 : 1980 Classification of muscovite mica blocks, thins and films based on electrical properties 2016 Others  Buy
134 IS 9502 : 1980 Specification for muscovite mica components for electronic equipment 2016 Others  Buy
135 IS 9947 : 2011 Electrical insulating materials used under severe ambient conditions - Test methods for evaluating resistance to tracking and erosion (First Revision) 2016 Methods of tests  Buy