MK-301 CPE Impact Modifier (Chlorinated Polyethylene)
PHYSICAL PROPERTIES
| Item | Specification |
| Appearance | White free-flowing powder |
| Chlorine Content | 35% ± 2% |
| Volatile Content, % | ≤0.5% |
| 0.075 mm Residue on 0.075 mm sieve | ≤1.0% |
| Recommended Dosage, phr | 3.0～8.0 Based on 100 parts PVC resin |
Raw Materials & Manufacturing Process
MK-301 is produced from high-density polyethylene (HDPE) resin through an aqueous suspension chlorination process with controlled temperature, followed by neutralization and deacidification, centrifugal washing, hot air drying, grinding, and air classification.
The product features stable chlorine content, uniform particle size, and excellent compatibility with PVC.
Product Functions & Key Advantages
- Excellent Impact Modification:
Significantly improves low-temperature impact strength of PVC, enhancing toughness and reducing brittleness, cracking, and edge breakage - Improved Processing Performance:
Reduces extrusion torque, enhances melt flowability, and increases production speed and yield - Outstanding Weather & Aging Resistance:
Improves weatherability, low-temperature resistance, and anti-aging properties, extending outdoor service life - Superior Dispersion:
Non-agglomerating and non-migrating, ensuring smooth surface and high gloss - Wide Compatibility:
Compatible with lead-based, calcium-zinc, and organotin stabilizer systems
Applications
Suitable for:
- PVC water supply pipes
- Drainage pipes
- Electrical and communication conduits
- uPVC window and door profiles
- Edge banding strips
- Decorative panels and ceiling panels
- Rigid PVC sheets and boards
- Density boards
- Wood-plastic composite boards
- Injection-molded pipe fittings
- Decorative boards
- Fences
- Cable trunking
- Various rigid PVC products
Safety & Environmental Compliance
This product has passed SGS testing and does not contain restricted substances such as heavy metals or phthalates. It complies with EU RoHS and REACH regulations.
Packaging
- 25 kg per bag
- Packaging structure: outer woven bag + inner food-grade PE liner
Storage & Transportation
Storage:
Store in a cool, dry, and well-ventilated place. Protect from sunlight, moisture, and high temperatures.
Transportation:
Transport as non-hazardous chemical goods.
Shelf Life
24 months from the date of manufacture.
