In February 2007 the California Building Standards Code was updated to approve the use of chlorinated polyvinyl chloride (CPVC) pipe for use in residential water supply piping systems. CPVC has been a nationally accepted material in the US since 1982; California, however, has permitted only limited use since 2001. The Department of Housing and Community Development prepared and certified an environmental impact statement resulting in a recommendation that the commission adopt and approve the use of CPVC. The commission's vote was unanimous, and CPVC has been placed in the 2007 California Plumbing Code.
| Items | Unit | Index |
| SG1 | SG2 | SG3 | SG4 | SG5 | SG6 | SG7 | SG8 |
| Viscosity No. | ml/g | 156-144 | 143-136 | 135-127 | 126-119 | 118-107 | 106-96 | 95-87 | 86-73 |
| Or K value | | 76-75 | 74-73 | 72-71 | 70-69 | 68-66 | 65-63 | 62-60 | 59-55 |
| Or Average degree of polymerization | | 1785-1536 | 1535-1371 | 1350-1250 | 1250-1150 | 1100-1000 | 950-850 | 750-650 | 740-650 |
| Foreign Particle | | 30max | 30max | 30max | 30max | 30max | 30max | 40max | 40max |
| Volatile Matter | % | 0.4max | 0.4max | 0.4max | 0.4max | 0.4max | 0.4max | 0.4max | 0.4max |
| Apparent Density | g/ml | 0.42min | 0.42min | 0.42min | 0.45min | 0.45min | 0.45min | 0.45min | 0.45min |
| Particle size | 0.25mm Sieve | % | 2.0max | 2.0max | 2.0max | 2.0max | 2.0max | 2.0max | 2.0max | 2.0max |
| 0.063mm Sieve | 90min | 90min | 90min | 90min | 90min | 90min | 90min | 90min |
| No. of fish eye/400cm2 | | 40 max | 40 max | 40 max | 40 max | 40 max | 50 max | 50 max | 50max |
| Plasticizer absorption of 100g resin | g | 25min | 25 min | 25min | 22 min | 17min | 15min | 14min | 14min |
| VCM Residue | ppm | 10 max | 10 max | 10 max | 10 max | 10 max | 10 max | 10 max | 10max |
| Whiteness(160°C,10min) | % | 75min | 75min | 75min | 75min | 75min | 75min | 70min | 70min |
2. Application Of Polyvinyl Chloride (PVC) SG5 K66-68 For Pipes:
2.1.PVC soft products It can be made of hoses, cables, wires, plastic sandals, shoes, slippers, toys, auto parts etc.
2.2.PVC film The transparent film can be used for greenhouses, plastic greenhouses and plastic film mulch. It can also be used for packaging bags, raincoat, table cloth, curtains, inflatable toys etc.
2.3.PVC coated products Can be used to make leather luggage, purses, book covers, sofa and car seat,etc. As well as floor covering, flooring materials for buildings.
2.4.PVC foam products Can be used for foam slippers, sandals, insoles, and anti-vibration cushioning packaging material, Rigid PVC sheet and profiles, it is a new building material.
SG-1 is used in producing high-grade electrical insulating material
SG-2 is used in producing electrical insulating material, common soft products and film
SG-3 is used in producing electrical insulating materials, agricultural film, daily-use plastic products,
SG-4 is used in producing membranelle for industrial and civil use, tube and pipes
SG-5 is used in producing transparent products section bar, hard tube and decorative materials
SG-6 is used in producing clear foil, hard board and welding rod
SG-7, SG-8 is used in producing clear foil, hard injection molding.
3.Packing of Polyvinyl Chloride (PVC) SG5 K66-68 For Pipes: 25kg/pp bag or as the customers' requirements
4.Transporation and storage of Polyvinyl Chloride (PVC) SG5 K66-68 For Pipes: Protect against weathering. Store in a dry place and avoid extreme fluctuations in temperature. Close bags after use to avoid absorption of moisture and contamination.
5.Safety of Polyvinyl Chloride (PVC) SG5 K66-68 For Pipes: The product is not classified as dangerous under the relevant EC Directives and it’s not dangerous goods according to transport regulations.
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