scope:

This, specification relates to a two part (Parts A and B) system suitable for the production of a rigid polyurethane foam for use in Rifle 7.62 mm L1A1 Butt, srnail arms.

WARNING: Part B material has a powerful tanning effect on human tissues and contact with it should be avoided. If contamination occurs, the skin should be washed promptly with warm water and soap and immediate irrigation of the eyes is recommended.

The vapour irritates the mucous membranes, If the material is heated the effect on the mucous membranes may become excessive and dangerous. A good air draught gives adequate protection in normal circumstances but warmed material should be handled only in a well-ventilated space and not in a closed room.