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PC PET ALLOY
product details
The Quiet Performer — Chemical-Resistant Engineering Plastic for Demanding Environments
Material Overview
PC/PET is the engineer’s quiet ally — the alloy chosen when the environment is harsh, the chemistry is unforgiving, and standard polycarbonate alone cannot survive. By blending polycarbonate with semi-crystalline polyethylene terephthalate, this alloy gains improved chemical resistance, lower water absorption, and enhanced thermal performance, all at a cost structure that competes effectively against more expensive specialty resins.
The semi-crystalline PET phase forms ordered domains within the polycarbonate matrix, resisting solvent penetration and stress cracking far more effectively than amorphous blends. Renhong’s PC/PET compounds are specified for moments when an engineer needs something tougher than nylon, more chemically stable than PC/ABS, and thermally conductive enough to dissipate LED heat.
Key Features
🧪 Strong Chemical Resistance
Resistant to fuels, oils, dilute acids, and most automotive fluids — outperforming PC/ABS in stress-cracking environments.
💧 Low Moisture Absorption
Water uptake below 0.3% (24 h) supports dimensional stability in humid environments where nylons swell.
🔥 Flame Retardant + Thermally Conductive
Specialty grades combine UL 94 V-0 with thermal conductivity up to 1.8 W/mK — ideal for LED heat-management housings.
⚡ Reliable Electrical Properties
High dielectric strength and stable electrical performance under humidity and temperature variation.
🛠️ Tough but Stiff
Balanced flexural modulus (2,300–2,700 MPa) with retained impact resistance — suitable for load-bearing housings.
Typical Applications
Lighting Industry
- Thermally conductive flame-retardant LED lens sheets
- LED street lamp housings and heat sinks
- Architectural lighting reflectors and diffuser frames
Consumer & Sporting Goods
- Sporting goods (helmets, protective gear, ski bindings)
- Tool housings exposed to lubricants and solvents
- Outdoor enclosures for camping and recreational equipment
Industrial Equipment
- Chemical-resistant equipment housings
- Pump and meter casings in process industries
Outdoor enclosures for telecom and power infrastructure
Why Choose Renhong
✓ Thermally conductive grade engineered for LED heat-management applications
✓ Halogen-free flame retardant formulations meet UL 94 V-0 at 1.6 mm
✓ Chemical compatibility verified across automotive fluids and process chemicals
✓ Glass-fiber-reinforced structural variant for load-bearing applications
✓ Established compounding consistency through ISO 9001 quality systems
The information provided on this page reflects typical performance characteristics of Renhong’s polymer alloy products under standard testing conditions. Actual material behavior in finished parts may vary depending on processing parameters, part geometry, additive packages, and end-use environments. Customers are encouraged to validate material suitability through application-specific testing and to consult Renhong’s technical team for grade selection, regulatory compliance documentation, or production-ready data sheets. All trademarks and product names referenced are the property of their respective owners.