| Feature: | Biodegradable |
|---|---|
| CAS No.: | 9002-86-2 |
| Formula: | (C2h3cl)N |
| Samples: |
|---|
| Customization: |
|---|
|
Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
|---|
| Payment Method: |
|
|---|---|
| Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
|---|
Suppliers with verified business licenses
Audited Supplier Polyvinyl chlorides is high molecular compounds polymerized with structural element as CH2-CHCLn,degree of polymerization usually as 590-1500.In the process of re-polymerization ,affected by kinds of factors such as the polymerization process, reaction conditions, reactant composition, additives etc.it can produce eight different types of PVC resin performance is different.
| Items | SG3 | SG5 | SG7 | SG8 |
| K value | 72-71 | 68-66 | 62-60 | 59-55 |
| Viscosity Number (ml/g) |
135-127 | 118-107 | 95-87 | 86-73 |
| Average degree of polymerization | 1370-1251 | 1135-981 | 845-741 | 740-650 |
| Number of impurity substance | ≤16 | ≤16 | ≤20 | ≤20 |
| Mass fraction of volatiles (including water) |
≤0.30 |
≤0.40 |
≤0.40 | ≤0.40 |
| Appearance density | ≥0.45 | ≥0.48 | ≥0.50 | ≥0.50 |
| Number of "fish eye" |
≤20 | ≤20 | ≤30 | ≤30 |
| Whiteness(160ºC,10min)% | ≥78 | ≥75 | ≥75 | ≥75 |
| VCM residue | ≤5 | ≤5 | ≤5 | ≤5 |
| Packing | 25kgs two layers draft paper bag or 1000kgs PP bag | |||
Why choose us
FAQ
Suppliers with verified business licenses
Audited Supplier 
){kind=link}
){kind=link}