Historical
GB 18242-2000
Styrene butadiene styrene(SBS)modified bituminous sheet materials (TEXT OF DOCUMENT IS IN CHINESE)
This standard specifies the classification, technical requirements, test methods, inspection rules, marking on packages, storage and transportation for styrene butadiene styrene (SBS) modified bituminous sheet materials.
This standard applies to waterproof sheet materials for buildings with polyester felts or glass fiber felts as the tyre basis, styrene-bivinyl-styrene butadiene styrene (SBS) as the modified agent, and covered with insulation materials on both sides. This standard does not apply to bituminous sheet materials made of other modified bituminous, trye bases and upper surface materials.
CHINESE GB Standards [spc]