Plastics - Cellulose acetate - Determination of light absorption on moulded specimens produced using different periods of heating (ISO 1600:1990); German version EN ISO 1600:1999— 7 стр.
Plastics - Smoke generation - Part 2: Determination of optical density by a single-chamber test (ISO 5659-2:2006); German version EN ISO 5659-2:2006— 44 стр.