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High Transparency LED PCB Potting Silicone Rubber HY-9020

HY-9020、HY-9300
HY-9020 is a two-component addition-cure liquid silicone rubber designed for LED lighting and PCB encapsulation. Featuring high transparency and low viscosity, it ensures excellent light transmittance and deep penetration into complex circuit structures, providing superior protection for electronic components.
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Key Features:
  • High transparency: excellent light transmittance, ideal for LED applications where optical clarity is essential
  • Low viscosity 800±200 mPa.s: penetrates deeply into tight gaps and intricate PCB layouts without trapping air
  • Long pot life of 30-60 minutes: allows flexible operation time for large-area or complex encapsulation tasks
  • Thermal conductivity ≥0.2 W/mK: effectively dissipates heat generated by LED chips
  • UL94 V-0 flame retardancy: meets fire safety standards for electronic applications
  • Operating temperature range: -50°C to 200°C, stable under extreme conditions
  • Excellent adhesion to PCB substrates, metal leads, and plastic housings
  • Low shrinkage: maintains dimensional accuracy after curing
Applications:
  • LED strip lights and modules
  • LED drivers and power supplies
  • PCB conformal coating and encapsulation
  • Outdoor LED displays
  • Automotive LED lighting
  • Sensor and connector encapsulation
Technical Parameters:
  • Component A: Transparent liquid
  • Component B: Transparent liquid
  • Mixing ratio (A:B): 1:1 by weight
  • Viscosity (mixed): 800±200 mPa.s (25°C)
  • Pot life: 30-60 minutes (25°C)
  • Curing time: 4-8 hours (25°C)
  • Hardness: 25-35 Shore A
  • Thermal conductivity: ≥0.2 W/mK
  • Dielectric strength: ≥22 kV/mm
  • Volume resistivity: ≥1.0×10^15 Ω·cm
  • Light transmittance: ≥95%
  • Flame retardancy: UL94 V-0
Packaging:
  • 1kg/set (0.5kg A + 0.5kg B)
  • 20kg/set (10kg A + 10kg B)
  • 200kg/set (100kg A + 100kg B)
  • Custom packaging available
Certifications:
  • RoHS compliant
  • REACH compliant
  • UL certified
Storage:
  • Store in cool, dry place below 25°C
  • Shelf life: 12 months from date of manufacture
  • Keep containers tightly sealed when not in use