GB/T 13663-2000
Replaced
T/GZHG 028-2022
Active
Group standards
T/GZHG 028-2022 Polyvinyl chloride (modified anhydrous calcium sulfate) W-type drainage pipe
T/GZHG 028-2022 Polyvinyl chloride (modified anhydrous calcium sulfate) W-type drainage pipe
Price:
$ 20.00
Basic Information
Standard Code:
T/GZHG 028-2022
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Daily-use glassware, ceramics, enamelware, and plastic products
ICS Name:
Plastic pipes, fittings, and valves
Publish Date:
2022-01-05
Implement Date:
2022-01-05
Scope
Main Technical Content: 5.1 The appearance should be a fine powder with uniform color and no clumping. 5.2 The basic requirements of the chemical components of the product shall comply with Table 1. **Table 1** **Item** **Requirements** 200 mesh 800 mesh 1200 mesh **Fineness (D90a)** 75μm 18μm 12μm **Calcium sulfate content (%)** ≥80 **Water content (%)** ≤2.0 **Water-soluble phosphorus pentoxide (P2O5)** ≤0.5 **Water-soluble fluoride ions (F-)** ≤0.4 **Water-soluble magnesium oxide (%)** ≤0.5 **Oil absorption value (g/100g)** ≤40 **Chloride ion content (%)** ≤0.04 **Note:** a D90 indicates that more than 90% of the powder particles are smaller than the required particle size for this type. b The oil absorption value is only required when modified anhydrous phosphogypsum is used as a filler for polyvinyl chloride. 5.3 The limit of radioactive nuclides shall comply with the requirements of GB 6566. 6 Test Methods 6.1 Visual inspection of appearance. 6.2 Determine the fineness according to GB/T 19077-2016, ensuring that more than 90% of the powder particles are smaller than the required particle size for this type. 6.3 Determine the calcium sulfate (CaSO4) content by measuring the SO3 content according to Chapter 11 of GB/T 5484-2012 and calculating the CaSO4 content using Equation (1): WCaSO4 = WSO3 × 1.70. （1） WCaSO4 —— Calcium sulfate (CaSO4) mass fraction; WSO3 —— Sulfur trioxide (SO3) mass fraction; 1.70 —— Coefficient for converting SO3 mass fraction to CaSO4 mass fraction. 5.4 Determine the water content (H2O) according to Chapter 10 of GB/T 5484-2012. 5.5 Determine the water-soluble phosphorus pentoxide (P2O5) according to JC/T 2073. 5.6 Determine the water-soluble fluoride ions (F- ) according to JC/T 2073. 5.7 Determine the water-soluble magnesium oxide (MgO) according to Chapter 27 of GB/T 5484-2012. 5.8 Determine the oil absorption value according to the method
Development Information
Related Standards
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GB/T 18251-2000 Method for the assessment of pigment or carbon black dispersion in polyolefin pipes,fittings and compounds
GB/T 18252-2000
Replaced
GB/T 18252-2000 Plastics piping and ducting systems—Determination of the long-term hydrostatic strength of thermoplastics materials in pipe form by extrapolation
GB/T 18477-2001
Replaced
GB/T 18477-2001 Unplasticized polyvinyl chloride(PVC-U) double wall corrugated pipes for underground soil, waste and drainage
GB/T 18742.1-2002
Replaced
GB/T 18742.1-2002 Polypropylene piping systems for hot and cold water installations—Part 1:General
GB/T 18742.2-2002
Replaced