Think of Polypropylene (PP) as the undisputed workhorse of the plastics world. It’s the go-to material when you need a perfect balance of performance, cost-efficiency, and versatility. We’re talking about a tough, lightweight champion that shrugs off chemicals, fatigue, and moisture without breaking a sweat—or the bank. From the hinge on your lunchbox to critical automotive components, PP delivers relentless reliability. If you need a part that just works, day in and day out, you’re in the right place.
KEY BENEFITS
Don’t just pick a material; choose a strategic advantage. Here’s what PP brings to your table.
| Benefit | What It Means For You |
|---|---|
| Exceptional Chemical Resistance | Your parts will stand up to acids, solvents, and alkalis. Perfect for containers, lab equipment, and fluid-handling components without degrading. |
| Outstanding Impact Strength & Toughness | Even at low temperatures, PP stays tough. It can take a hit and bounce back, reducing failure rates and returns. The ideal choice for living hinges and durable goods. |
| Lightweight & High Strength-to-Weight Ratio | Save on material costs and shipping weight while maintaining structural integrity. A smarter, more economical way to build. |
| Excellent Fatigue Resistance | PP can be bent repeatedly without failing. This is why it’s the king of living hinges (think flip-top lids) and parts under constant stress. |
| Low Moisture Absorption | PP doesn’t soak up water, which means dimensional stability and no warping in humid environments. Your parts stay the shape you designed them to be. |
| Cost-Effective Production | Low material cost combined with a high-speed injection molding cycle time means more parts, faster, for less. Maximum value, minimum fuss. |
APPLICATIONS
PP isn’t just versatile on paper; it’s proven in the field. Here’s where it dominates.
| Industry | Specific Applications |
|---|---|
| Automotive | Battery cases, interior trim, dashboard components, glove compartments, wheel arch liners, fluid reservoirs. |
| Consumer Goods | Food containers, housewares, luggage, toys, furniture, cleaning product bottles, appliance housings. |
| Packaging | Thin-walled containers, caps and closures, tamper-evident bands, pharmaceutical bottles, syringe barrels. |
| Healthcare & Laboratory | Specimen containers, Petri dishes, pipette tips, IV components, sterilization trays (for gamma and EtO methods). |
| Industrial & Electrical | Cable insulation, junction boxes, pipe fittings, pallets, storage bins, laboratory cabinetry. |
TECHNICAL SPECIFICATIONS
Get down to the specifics. Here are the key properties that define our standard Homopolymer PP.
| Property | Test Standard | Value / Range |
|---|---|---|
| Melt Flow Rate (MFR) | ASTM D1238 | 12-20 g/10 min (230°C/2.16 kg) |
| Tensile Strength at Yield | ASTM D638 | 30 – 36 MPa |
| Flexural Modulus | ASTM D790 | 1500 – 2000 MPa |
| IZOD Impact Strength (Notched) | ASTM D256 | 3 – 5 kJ/m² |
| Heat Deflection Temp (HDT) @ 0.45 MPa | ASTM D648 | 100 – 110 °C |
| Rockwell Hardness | ASTM D785 | R 85 – 100 |
| Density | ASTM D792 | 0.90 – 0.91 g/cm³ |