GB/T 3455-1982
Active
T/GZAS 4-2018
Active
Group standards
T/GZAS 4-2018 High-strength plastic alloy (HSPA) pipe material
T/GZAS 4-2018 High-strength plastic alloy (HSPA) pipe material
Price:
$ 20.00
Basic Information
Standard Code:
T/GZAS 4-2018
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Plastic profiles
ICS Name:
Lines, connections, and circuits
Publish Date:
2018-01-15
Implement Date:
2018-01-30
Scope
Main technical content: Drop hammer impact test/specimens pass the flat test/compressed to the inner wall of the pipe and contact each other without cracking or delamination. The bending degree % ≤ 1, ring stiffness kN/≥ 8, recovery rate/≥ 90%, and the specimens do not break. Drop test/no breakage at -20°C. Tensile yield strength MPa ≥ 30. Longitudinal shrinkage rate/≤ 3%. Connection sealing/no breakage or leakage of the specimens. Vicat softening temperature °C ≥ 82. Static friction coefficient/≤ 0.35. Oxygen index/≥ 32. Volume resistivity Ω·m ≥ 1 × 1011.
Development Information
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