T/GZAS 008-2021
Polyvinyl chloride(modified anhydrous phosphogypsum) communication pipe (English Version)

Standard No.

T/GZAS 008-2021

Language

Chinese, Available in English version

Release Date

2021

Published By

Group Standards of the People's Republic of China

Latest

T/GZAS 008-2021

Scope

Drop weight impact test/sample 9/10 passed and above without rupture pipe stiffness kN/㎡ Four-hole pipe: ≥6000 Nine-hole pipe: ≥8000 Tensile yield strength MPa ≥24 Longitudinal retraction rate - ≤5% Connection sealing — The sample has no cracks or leaks. Vicat softening temperature °C ≥83 Static friction coefficient — ≤0.33 Oxygen index/ ≥32

T/GZAS 008-2021 history

• 2021 T/GZAS 008-2021 Polyvinyl chloride(modified anhydrous phosphogypsum) communication pipe