GB/T 3455-1982
Active
T/GZAS 4-2019
Abolished
Group standards
T/GZAS 4-2019 High-strength plastic alloy composite pipe
T/GZAS 4-2019 High-strength plastic alloy composite pipe
Price:
$ 20.00
Basic Information
Standard Code:
T/GZAS 4-2019
Standard Type:
Group standards
Standard Status:
Abolished
is_force_gb:
no
CCS Name:
Plastic profiles
ICS Name:
Lines, connections, and circuits
Publish Date:
2019-03-04
Implement Date:
2019-03-04
Scope
Main technical content: 1. Drop hammer impact test/sample 9/10 passed 2. Flatness test – When the outer diameter deformation amount reaches 25% in the vertical direction, immediately unload without cracking or delamination 3. Stiffness kPa: - Outer diameter de75: ≥5600 - Outer diameter de110: ≥4000 - Outer diameter de160: ≥1500 - Outer diameter de186: ≥1200 4. Recovery rate – ≥90%; and the sample does not crack or delaminate 5. Tensile yield strength MPa ≥30 6. Longitudinal shrinkage rate – ≤5% 7. Connection sealing – The sample does not crack or leak 8. Vicat softening temperature °C ≥82 9. Static friction coefficient – ≤0.35 10. Oxygen index/≥32 11. Volume resistivity Ω·m ≥1×1011
Development Information
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