High-Performance Moisture-Proof Light Diffusing Polycarbonate for Wet Environment Luminaires
Light Diffusion PC product models in the LED lighting field
Physical property
|
Standard
|
Value
|
Unit
|
Density 23ºC
|
ASTM D792
|
1.19
|
g/cm3
|
Shrinkage 23°C
|
ASTM D955
|
0.5~0.7
|
%
|
Melt Index 260°C 2.16kg
|
ASTM D1238
|
19
|
g/10min
|
Mechanical behavior
|
Standard
|
Value
|
Unit
|
Tensile Strength 50mm/min
|
ASTM D638
|
60
|
MPa
|
Elongation Break 50mm/min
|
ASTM D638
|
50
|
%
|
Flexural Strength 2.0mm/min
|
ASTM D790
|
90
|
MPa
|
Flexural Modulus 2.0mm/min
|
ASTM D790
|
2600
|
MPa
|
lzod Notch lmpact 23ºC 3.2mm
|
ASTM D256
|
51.02
|
kJ/m2
|
lzod Notch lmpact -10ºC 3.2mm
|
ASTM D256
|
37.75
|
kJ/m2
|
Thermal
|
Standard
|
Value
|
Unit
|
HDT 0.45MPa 6.4mm
|
ASTM D648
|
95
|
ºC
|
HDT1.8MPa 6.4mm
|
ASTM D648
|
84
|
ºC
|
Production Description:
Advanced PC formulations address virgin material limitations through molecular reinforcement and nano-additives. Post-modification, the material achieves UL94 V-0 flammability ratings without sacrificing 150°C HDT, while resolving environmental stress cracking in fuel/ethanol exposures. Ideal for EV battery housings and surgical instrument handles requiring chemical/thermal duality.
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.