Polypropylene
Premium Polypropylene Products for Industrial and Commercial Applications
Polypropylene (PP) is one of the most versatile thermoplastics available today. Our high-quality polypropylene materials offer exceptional chemical resistance, durability, and flexibility for a wide range of applications across multiple industries.
Key Features of Our Polypropylene Products:
- Excellent chemical resistance to acids, alkalis, and solvents
- High melting point (160-170°C) for thermal stability
- Low density (0.905 g/cm³) for lightweight applications
- Good fatigue resistance and mechanical strength
- FDA compliant for food contact applications
- 100% recyclable and environmentally friendly
Technical Specifications
| Property | Value | Test Method |
|---|---|---|
| Density | 0.905 g/cm³ | ISO 1183 |
| Melt Flow Index (230°C/2.16kg) | 12 g/10 min | ISO 1133 |
| Tensile Strength at Yield | 32 MPa | ISO 527 |
| Flexural Modulus | 1500 MPa | ISO 178 |
| HDT @ 0.45 MPa | 100°C | ISO 75 |
Our Polypropylene Product Range
| Product Code | Type | Color | Applications |
|---|---|---|---|
| PP-100 | Homopolymer | Natural | Food packaging, medical devices |
| PP-200 | Copolymer | White | Automotive parts, household goods |
| PP-300 | Impact Copolymer | Black | Industrial containers, chemical tanks |
Polypropylene FAQ Section
What makes polypropylene different from other plastics?
Polypropylene stands out for its unique combination of properties: it's lighter than many plastics (floats in water), has excellent chemical resistance, and offers good fatigue resistance. Unlike polyethylene, polypropylene has a higher melting point, making it suitable for applications requiring sterilization. Its semi-crystalline structure gives it better stiffness and tensile strength compared to amorphous plastics like polystyrene.
Is polypropylene safe for food contact applications?
Yes, our polypropylene materials are FDA-compliant and completely safe for food contact applications. Polypropylene is widely used in food packaging, kitchenware, and food processing equipment because it doesn't leach harmful chemicals, even when exposed to acidic foods or heated. All our food-grade polypropylene meets strict international standards for food safety and is BPA-free.
How should polypropylene products be recycled?
Polypropylene is 100% recyclable (resin code #5). For proper recycling, clean the polypropylene items from food residues, separate them from other plastic types, and place them in appropriate recycling bins. Industrial polypropylene waste should be collected separately and returned to specialized recycling facilities where it can be granulated and reprocessed into new products. Our manufacturing process incorporates up to 30% recycled polypropylene content without compromising quality.
Industrial Applications of Polypropylene
- Automotive: Bumpers, battery cases, interior trim components
- Packaging: Food containers, caps and closures, pharmaceutical packaging
- Medical: Syringes, specimen bottles, surgical trays
- Construction: Pipes, insulation, carpet fibers
- Consumer Goods: Toys, storage containers, furniture
Processing Guidelines for Polypropylene
| Processing Method | Temperature Range | Mold Temperature |
|---|---|---|
| Injection Molding | 200-300°C | 20-80°C |
| Extrusion | 180-250°C | N/A |
| Thermoforming | 150-170°C | 40-80°C |
For optimal results when working with polypropylene, ensure proper drying (2-3 hours at 80°C) before processing to prevent moisture-related defects. Polypropylene typically requires minimal conditioning and can be processed with standard plastic processing equipment.
Why Choose Our Polypropylene Products?
- Consistent quality with tight manufacturing tolerances
- Custom formulations available (colored, UV-stabilized, flame-retardant)
- Technical support from material science experts
- Global supply chain with reliable delivery
- Competitive pricing for bulk orders
Our polypropylene products are manufactured under strict quality control measures in ISO-certified facilities. We offer both standard and custom formulations to meet your specific application requirements. Contact our sales team for samples or technical consultation regarding your polypropylene needs.