Bureau Veritas Certification PVC RESIN SG5
Suspension Method Polyvinyl Chloride Resin
Our company has SG3-SG8 type polyvinyl chloride products,and polyvinyl chloride resin is widely used in processing and production of polyvinyl chloride boardy products,soft products,paint and adhesive agents.
A: Division according to application:
1.Building materials:such as tubing,panel and section bars.
2.Paking materials.
3.Electronic materials:such as electric wires,cables,adhesive tapes and bolts.
4.Furniture and decorating materials and so on.
5.Others:such as automotive materials and medical appliances.
B: Package,transported and storage:
Package:packed with woven bag with a net weight of 25Kgs(±0.20Kg).
Transportation:transported with motor vehicle,train or ship.
Storage:stored in a normal temperature and dry warehouse.
C: Quality standard
The product meets GB/T 5761-2006 standard with its physical and chemical properties meeting requirement in table below:
1.The user can choose any one from vifscosity number, K value ,index of average polymerizapion degree.
2.The user can confer with the manufacture if they have other index ,requirement ,on thermal stability.
Type: | SG1 | SG2 | SG3 | SG4 | SG5 | SG6 | SG7 | SG8 |
Viscosity, ml/g | 156-144 ml/g | 143-136 ml/g | 135-127 ml/g | 126-119 ml/g | 118-107 ml/g | 106-96 ml/g | 95-87 ml/g | 86-73 ml/g |
K-Value | 77-75 | 74-73 | 72-71 | 70-69 | 68-66 | 65-63 | 62-60 | 59-55 |
Number of impurity particle | ≤ 30 | ≤30 | ≤30 | ≤30 | ≤30 | ≤30 | ≤40 | ≤40 |
Volatiles content %, ≤ | ≤0.40 | ≤0.40 | ≤0.40 | ≤0.40 | ≤0.40 | ≤0.40 | ≤0.40 | ≤0.40 |
Apparent density | ≥ 0.42 g/ml | ≥ 0.42 g/ml | ≥ 0.42 g/ml | ≥ 0.42 g/ml | ≥ 0.42 g/ml | ≥ 0.45 g/ml | ≥ 0.45 g/ml | ≥ 0.45 g/ml |
Number of grain/400cm 2 | ≤40 | ≤40 | ≤40 | ≤40 | ≤40 | ≤40 | ≤40 | ≤40 |
Plasticizer absorbency value of 100g resin | 25 | 25 | 25 | 22 | 19 | 16 | 14 | 14 |
Whiteness | ≥74% | ≥74% | ≥74% | ≥74% | ≥74% | ≥74% | ≥70% | ≥70% |
Residual chlore thylene content | ≤5 mg/kg | ≤5 mg/kg | ≤5 mg/kg | ≤5 mg/kg | ≤5 mg/kg | ≤5 mg/kg | ≤5 mg/kg | ≤5 mg/kg |
