BS 5626-3.3:1982

This standard BS 5626-3.3:1982 Cellulosic papers for electrical purposes. Specification for individual materials is classified in these ICS categories:

• 29.035.10 Paper and board insulating materials

This sheet contains the requirements for crêpe paper, as defined in IE C Publication 554-1, Part 1: Definitions and General Requirements, classified as:

• Type 3.1: A hard, comparatively non-absorbent, crêped kraft insulating paper made from base papers of low (L) or medium (M) permeability, such as Types 1.3-2M and 1.3-2L described in Table I of IEC Publication 554-1.
• Type 3.2: A soft, porous, crêped kraft insulating paper made from base papers of high (H) permeability, such as Type 1.2-2H described in Table I of IEC Publication 554-1.

Specifies detailed requirements for Type 3.1 (Hard) and Type 3.2 (Soft) creped kraft insulating papers as defined in Part 1.