Describes the following test methods for pressboard and presspaper intended for use in electrical insulation: Thickness, apparent density, tensile strength and elongation, internal tearing resistance, edge tearing resistance, compressibility, flexibility, shrinkage, cohesion between plies, moisture content, ash content, conductivity and pH of aqueous extract, contamination of liquid dielectrics, oil absorption, conducting paths, presence of metallic particles and electric strength. If available, reference is made to relevant ISO- or IEC- test method standards.
Số hiệu tiêu chuẩn
IEC 60641-2*CEI 60641-2
Tên tiêu chuẩn
Specification for pressboard and presspaper for electrical purposes. Part 2 : Methods of test
Ngày phát hành
1979-00-00
Tiêu chuẩn tương đương
DIN EN 60641-2 (1996-07), IDT * BS 5937-2 (1980-06-30), IDT * BS EN 60641-2 (1996-06-15), IDT * EN 60641-2 (1995-11), IDT * prEN 60641-2 (1995-03), IDT * NF C26-131 (1981-07-01), IDT * NF C26-131-2 (1996-04-01), IDT * HD 410.2 S1 (1981), IDT * JIS C 2111 (1995-01-01), NEQ * JIS C 2111 (2002-03-20), MOD * JIS C 2305 (1995-11-01), NEQ * CSA IEC 60641-2 (1979-01-01), IDT * SEV-ASE 3458-2 (1980), IDT * OEVE EN 60641-2 (1995-12-18), IDT * SS-IEC 641 (1983-02-15), MOD * SS-EN 60641 (1996-02-23), IDT * UNE 21372-2 (1986-01-15), IDT * UNE-EN 60641-2 (1996-12-20), IDT * CEI 15-20 (1986), IDT * STN EN 60641-2 (2001-01-01), IDT * CSN EN 60641-2 (1997-10-01), IDT * NEN 10641-2:1995 en (1995-12-01), MOD
Từ khóa
Coils * Electrical engineering * Electrical insulating materials * Glazed insulating pressboard plate * Insulating materials * Laminated papers * Laminated pressboards * Material properties * Pressboard * Rolls * Specification (approval) * Specifications * Testing * Testing conditions * Reels * Spools * Castors * Rollers