GB/T 3455-1982
Active
T/GZAS 008-2021
Active
Group standards
T/GZAS 008-2021 Polyvinyl chloride (modified anhydrous calcium sulfate) communication pipe
T/GZAS 008-2021 Polyvinyl chloride (modified anhydrous calcium sulfate) communication pipe
Price:
$ 20.00
Basic Information
Standard Code:
T/GZAS 008-2021
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Daily-use glassware, ceramics, enamelware, and plastic products
ICS Name:
Lines, connections, and circuits
Publish Date:
2021-05-24
Implement Date:
2021-05-24
Scope
Main technical content: Drop hammer impact test/Specimens 9/10 pass and above without cracking; Pipe stiffness in kN/Four-hole pipe: ≥6000; Nine-hole pipe: ≥8000; Tensile yield strength in MPa: ≥24; Longitudinal shrinkage rate — ≤5%; Connection sealing — no cracking or leakage in the specimens; Vicat softening temperature in °C: ≥83; Static friction coefficient — ≤0.33; Oxygen index/≥32.
Development Information
Related Standards
GB/T 4574-1984
Abolished
GB/T 4574-1984 Measuring methods for actual circuit noise and the circuit noise in simulating system loading over the analogue communication network
GB 6830-1986
Active
GB 6830-1986 The tolerable limits of danger on telecommunication lines from power lines
GB/T 7440-1987
Abolished
GB/T 7440-1987 Calculating methods and measuring methods for transmission parameters of open-wire communication lines
GB/T 12166-1990
Active
GB/T 12166-1990 Electrical characteristics of unbalanced voltage digital interface circuits
GB/T 15280-1994
Abolished