Rigid PVC Compound (R-PVC)
- Density Range: 1.4g/cm³
- Operating Temperature: 160–190 °C
- Tensile Strength: 40 – 60 MPa
- Certification Standards: CE, ASTM, RoHS
Product Detailed Specifications
Appearance
- Appearance: cylindrical or elliptical particles
- Common Colors: milky white, light gray, black, any color can be customized according to customer requirements
- Particle Characteristics: smooth, uniform, non-sticky, good fluidity
Common Physical & Mechanical Properties
| Item | Typical Value/Range | Test Standards |
| Density | 1.35 – 1.45 g/cm³ | ASTM D792 / ISO 1183 |
| Tensile Strength | 40 – 60 MPa | ASTM D638 |
| Elongation at Break | 10 – 50 % | ASTM D638 |
| Bending strength | 60 – 90 MPa | ASTM D790 |
| Impact strength (Notched Izod) | 1 – 8 kJ/m² | ASTM D256 |
| hardness（Shore D） | 70 – 85 | ASTM D2240 |
| Vicat Softening Point | 75 – 90 °C | ISO 306 |
| Heat deformation temperature（HDT） | 60 – 80 °C | ISO 75 |
| Volume Resistivity | ≥10¹² Ω·cm | ASTM D257 |
| Water Absorption（24h） | ≤0.2 % | ASTM D570 |
Processing Parameter Reference
| Process Type | Temperature / Parameters | Caption |
| Injection Molding Machine Barrel Temperature | 150 – 190 °C | Can control temperature rise step by step, stabilize and prevent decomposition |
| Mold Temperature | 30 – 60 °C | Control and influence the surface finish and demoulding properties of materials |
| Extrusion Temperature | 160 – 190 °C | The equipment and product thickness can be adjusted at this temperature |
| Drying Conditions | Drying is usually not required, but can be dried at 60 °C for 1–2 hours when damp | Prevent bubbles and improve fluidity |
| Processing Precautions | Avoid overheating to release HCl and keep the thermal stabilizer fully | Safe ventilation and shear heat control |
Product Features & Benefits
- Stability: Excellent thermal stability and dimensional stability, low shrinkage and low water absorption, can ensure more accurate molding precision.
- High Rigidity: Excellent structural load-bearing capacity, smooth and glossy surface, bright and uniform color. Suitable for the production of profiles and structural parts.
- High Strength: 100% pure PVC environmentally friendly material has high tensile and high impact strength, which improves the durability of the finished product.
- Processing: Easy to process, suitable for injection molding, extrusion and other processes, with multiple exquisite design options for processing types.
- Environmental protection: RoHS/REACH compliant and lead-free formulations are available, complying with international standards such as REACH, RoHS, and UL.
- Customizable: According to customer requirements, flame retardant, weather resistance, chemical resistance, toughening and other modifications can be customized.
Rigd PVC Uses
Rigid PVC granules are mainly used in rigid products and structural components, characterized by high hardness and good dimensional stability. Common popular series:
PVC Pipe Fitting Granules
- Applications: Water supply and drainage pipe fittings, electrical pipe fittings, valves, joints
- Features: High rigidity, high pressure resistance, good flowability, easy injection molding
PVC Profile & Window Granules
- Applications: Door and window profiles, building profiles
- Features: Weather-resistant formula, UV resistant, not easy to discolor, dimensionally stable
PVC Electrical Conduit / Trunking Granules
- Applications: Electrical conduit, cable trays
- Features: Good insulation, flame retardant, impact resistant
PVC Sheet / Board Granules
- Applications: Extruded sheets, boards (advertising boards, chemical boards, etc.)
- Features: Corrosion resistant, good rigidity, printable, thermoformable
Highly Filled PVC Granules
- Applications: Low-cost pipes, sheets, profiles
- Features: Highly filled with CaCO₃, reducing costs, ensuring basic strength
About Rigid PVC FAQ
What is the formula of rigid PVC?
| Component | Typical Content | Function |
| PVC Resin | 80–95% | Main polymer providing rigidity and strength |
| Heat Stabilizers | 1–3% | Protect the PVC from heat degradation during processing |
| Lubricants | 0.3–1.5% | Improve melt flow and ensure a smooth surface finish |
| Fillers (e.g., Calcium Carbonate) | 0–20% | Increase stiffness, stability, and reduce production cost |
| Impact Modifiers (optional) | 0–10% | Enhance toughness and crack resistance |
| Pigments / Colorants | 0–5% | Provide color and UV protection |
| UV Stabilizers (optional) | 0.1–0.5% | Improve weather and sunlight resistance for outdoor use |
Note: The formulation ratios of additives are customized according to the specific requirements of our clients. The data in the table are for illustrative purposes only.
In what situations is it necessary to use polymer PVC compound materials?
When standard PVC compound raw materials cannot meet specific performance or processing requirements, PVC composite materials are needed. By mixing resin with additives such as stabilizers, plasticizers, lubricants, and fillers, PVC composite materials can achieve an ideal balance between flexibility, strength, heat resistance, and durability, thus meeting different application needs. Among them, PVC composite materials without added plasticizers are the rigid PVC composite materials introduced on this page.
- Cables and Wires: Flexibility, insulation strength, and flame retardancy of cable sheaths and insulation are achieved through plasticizers and stabilizers.
- Pipes and Fittings: Stabilizers and lubricants are added to traditional PVC raw materials to enhance the rigidity, brittleness, pressure resistance, and long-term outdoor performance of pipe fittings.
- Automotive Parts: Improve the impact strength, weather resistance and heat resistance of automotive interiors or wiring.
- Building Materials: Profiles, panels, doors and windows made of PVC composite materials, which improve their UV resistance, color stability and service life.
- Medical and Food Grade: Special non-phthalate plasticizers are added to ensure non-toxic, odorless, and flexible properties.
- Industrial Hoses and Flooring: combining abrasion resistance, flexibility, and chemical resistance, making them suitable for harsh environments.
ZMS Material Services & Logistics
Professional Technical Support
ZMS’s experienced materials engineers provide guidance on compound selection, cable insulation design, and custom formulations for various grades. We ensure that every batch meets your electrical, mechanical, and fire safety requirements.
Quality Assurance & After-Sales Service
Each batch of material pellets undergoes rigorous quality control, including density, dielectric strength, and flame retardancy testing. Our after-sales team is available to provide consultation, troubleshooting, and replacement services if necessary.
Customized Packaging Solutions
ZMS Material compounds are supplied in pellet or granular form and are typically packaged in moisture-proof polyethylene bags, kraft paper drums, or plastic drums. We can also provide custom packaging with custom graphics to protect the integrity of the material during transportation and storage.
Flexible Shipping & Delivery
We work with reliable logistics partners to offer global shipping services, including container, pallet, or bulk shipping. Dedicated personnel and meticulously planned shipping procedures prevent moisture, heat, or mechanical damage, ensuring the compound arrives in optimal condition.