Production Introduction
PVC Processing Auxiliaries are multi-layered, ultra-high molecular weight polymer powders primarily used for processing PVC profiles, pipes, sheets, and other PVC products.
Feature
Excellent Melt Properties
High melt strength, good flowability, strong ductility, and resistance to breakage, reducing processing defects.
Wide Processing Compatibility
Suitable for mainstream processes such as extrusion, injection molding, calendering, and blow molding. Stable at high temperatures, without decomposition, roller sticking, or screen clogging.
High Batch Stability
Minimal fluctuations in key indicators such as active ingredients and volatiles, resulting in high product purity and low impurity levels.
Quality standards
|
Inspection standard |
Inspection method |
Standardspecification |
Inspection result |
|
Exterior |
Visual check, microscope magnification |
White flow powder |
White flow powder |
|
Melting range |
GB617-2006 |
140℃ -160 ℃ |
150℃ |
|
MMA content |
75% |
||
|
BUA content |
25% |
||
|
Particle size[hole diameter 0.45mm, pass rate], % |
40 filter sieve |
≥ 98 |
99 |
|
Inherent viscosity (η), 25% |
Ubbelohde viscometer titration |
3.0~4.0 |
3.6 |
|
Volatile content |
≤1.0 |
0.8 |
Application
|
Product model |
Recommendedrange of application |
Benefits |
Reference servings added |
|
XH-175 |
Section bar |
Ensures uniform plasticization, improves melt flow, and reduces defects. |
1-3 |
|
Tubular product |
Improves tube surface smoothness, strengthens welding angles, and reduces cracking at joints |
2-4 |
|
|
Sheet material |
Prevents sticking to metal molds, extends production cycles, and improves surface quality |
1-4 |
Packaging and Storage
- Packaging Specifications: 25KG/bag, outer woven plastic bag, inner plastic bag.
- Safety: White solid powder, non-toxic and non-corrosive, classified as a non-hazardous material. Transportation should comply with non-hazardous material regulations, avoiding exposure to sunlight and rain.
- Storage Conditions: Store in a cool, ventilated place, away from direct sunlight.
- Shelf Life: 12 months. Expired products can still be used if they pass testing.
- Packaging Labeling: The packaging bag is labeled with the manufacturer, trademark, product certification, product content, and batch number for traceability.
FAQ
Q: How does it improve PVC processing?
A: The product promotes uniform plasticization, increases melt strength and flow, reduces defects such as fish-eyes, bubbles, and warping, and ensures smooth and stable processing.
Q: Is it compatible with other PVC additives?
A: Yes. It is fully compatible with PVC resin, stabilizers, lubricants, impact modifiers, and fillers, without causing precipitation, white spots, or negative interactions.
Q: What applications is it suitable for?
A: It is suitable for extrusion of profiles and pipes, sheet production, injection molding, calendaring, and blow molding of PVC.
Q: Is it safe to handle and store?
A: Yes. It is non-toxic, non-corrosive, and non-dangerous. It should be stored in a cool, ventilated place, away from direct sunlight and rain.
Q: Does it affect the final product properties?
A: It does not reduce mechanical strength or heat resistance. It can improve surface smoothness and gloss, while maintaining transparency for high-appearance PVC products.
Hot Tags: pvc processing auxiliaries, China pvc processing auxiliaries manufacturers, suppliers, factory, pvc processing aid, PVC Processing Auxiliaries, Transparent Products Acr
