CPE 135A 1.Chlorinated Polyethylene(CPE) 2. fire-resistance 3. impact-resistance 4.It's widely used for hard PVC products
CPE 135A IMPACT MODIFIER OF HARD PVC
I Product features
This product has good comprehensive physical properties such as fine Low-temperature toughness, high tensile strength, good compatibility with PVC. Under the right processing condition, it can form three-dimensional network with hard PVC, so it can give the product fine impact strength in low-temperature
II the key technical indexes
No | Item | Unit | Index | Test method |
1 | Chlorine Content | % | 35±1 | GB/T 7139 |
2 | Density | g/cm3 | ≥0.5 |
|
3 | Volatile Matter | % | ≤0.3 | GB/T 2914 |
4 | Thermal Decomposition Temperature | °C | ≥165 | GB/T 2704 |
5 | Crystallization residual(Ca) | % | ≤2 | DSC |
6 | SHORE Hardness(A) |
| ≤57 | GB/T 2411 |
7 | Tensile strength | Mpa | ≥9 | GB/T 528 |
8 | Screening Rate at 32 meshes | % | ≥99 | GB/T 2916 |
III Application
This product is suitable in PVC door and window; water pipe; cable pipe, PVC foam plate, PVC extruding plate and PVC press plate, etc.
IV Recommended ingredients
Heterotype material for doors and windows | U-PVC Cess-pipe | U-PVC Cold bending pipe | ||
PVC | 100 | 100 | 100 | |
CPE135A | 8 | 4-6 | 10-15 | |
Lead sulphosphare | 1.5-2 | 1-1.5 | 1-1.5 | |
Lead sulphate | 4.0-4.5 | 3.0-3.5 | 3.0-3.5 | |
Leda stearate | 0.5-1 | 0.3-0.5 | 0.3-0.5 | |
Calcium stearate | 0.3-0.5 | 0.2 | 0.2 | |
ACR 401 | 1.0-1.8 | 1.0-1.5 | 1.0-1.5 | |
Light calcium carbonate | 4-6 | 20-80 | 20-40 | |
Rutile typify titanium pigment | 4-5 |
|
| |
Polyethylene wax | 0.2-0.5 | 0.2-0.4 | 0.2-0.4 | |
Paraffin | 0.2-0.3 | 0.2-0.3 | 0.2-0.3 | |
Stearic acid | 0.2—0.4 | 0.5-0.8 | 0.5-0.8 | |
Note:
1. The above ingredients are suitable for twin screw one-time extrusion molding.
2. The users have different process equipment, craft and condition, so the above ingredients are only for reference.
3. Our company can design the ingredients for customers.
Impact resistance for Hard PVC products,Low calcium content CPE
