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UV Resistance : >2000 hours (no cracking under xenon arc)
Hydrolysis Resistance : 0.3% tensile strength loss (85°C/85% RH, 1000h)
Water Absorption : 0.15-0.25% (24h immersion)
Chemical Resistance (10% HCl/NaOH) : No cracking (24h immersion)
Izod Notched Impact : 15KJ/m2 20KJ/m2 30KJ/m2 30KJ/m2
Flammability Rating : V-2 V-0
Application : Lamp Bubble Lamp Tube Downlight Pannel BR lampshade
Molding Method : Injection Molding
Place of Origin : China
Brand Name : HMT
Certification : ISO 9001, ISO 14001, RoHS/REACH
Price : Negotiable
Packaging Details : Export Film Packing / According To Customer
Delivery Time : 7-15 working days
Payment Terms : L/C,D/A,D/P,T/T,Western Union,MoneyGram
| Parameter | Value | Test Standard | 
|---|---|---|
| Rockwell Hardness | R 118-122 | ASTM D785 | 
| Coefficient of Friction | 0.25-0.35 (Dynamic) | ASTM D1894 | 
Production Description:
Hydrolysis-resistant modified PC withstands high-humidity environments in irrigation systems and HVAC components.
Tailored Performance: Balances transparency, strength, and processability for niche uses.
Cost Reduction: Blends like PC/ABS lower material costs while maintaining core properties.
Durability: Enhanced UV, chemical, and thermal stability for harsh environments.
Regulatory Compliance: Meets flame safety (UL94), food contact (FDA), and medical standards.
A: Bulb Lamp Cover Series (Light Transmittance 90% - 98%, Beam Angle 150° - 230°)

B: T-Bulb Lamp Cover Series (Light Transmittance 86% - 96%, Beam Angle 150° - 200°)

C. BR Lamp/PAR Lamp/Spotlight Cover Series (Light Transmittance 88% - 94%)

D. Taper/Candle Bulb Cover Series (Light Transmittance 85% - 95%)

E. Ceiling Lights and Various Lamps Series (Light Transmittance 80% - 92%)

F. Tube Light Series (T8 Tubes, Dual-Color Tubes) (Light Transmittance 80% - 96%)

Company Profile

 



HMT International is a leading global manufacturer and exporter specializing in modified plastics, operating under the brand Chongyuan. Established with a commitment to innovation and sustainability, we engineer high-performance thermoplastic compounds tailored to meet the evolving demands of industries worldwide.
Certified to ISO 9001, ISO 14001, and compliant with RoHS/REACH standards, we align our operations with global sustainability goals while delivering exceptional technical support and supply chain reliability.
3,000+ customized formulations.
 500,000+ MT annual production capacity.
 25+ years of polymer expertise.
 ISO 9001 & ISO 14001 certified facilities.
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