China 2.8W/mK Thermal Conductive Glue TIS680-28A/B - Two Component Silicone Encapsulant for LED Lighting, 85 Shore D Hardness, -40℃ to +200℃ Range for sale

2.8W/mK Thermal Conductive Glue TIS680-28A/B - Two Component Silicone Encapsulant for LED Lighting, 85 Shore D Hardness, -40℃ to +200℃ Range

Price Negotiable

Price: Negotiable

MOQ: 2kg/LOT

Delivery Time: 2-3 work day

Brand: Ziitek

Product Description

TIS™ 680-28A/B Thermal Conductive Glue for LED Lighting

TIS™ 680-28A/B is a two-component, high thermal conductivity silicone encapsulant glue designed for potting capacitors and electrical devices in LED lighting applications. With excellent thermal performance and fire resistance, this material operates effectively from -40℃ to +200℃.

Key Features

High thermal conductivity: 2.8 W/mK
Excellent insulation properties and smooth surface finish
Low shrinkage and viscosity for easy application
Superior solvent resistance and waterproof performance
Extended service life and excellent thermal shock efficiency
UL 94 V-0 fire resistance rating

Primary Applications

LED lighting heat spreaders and power drivers
Ferrite cements and tip-type LED applications
Relay sealants with excellent adhesion to various materials
Power transformers, coils, and capacitor potting
Coating and sealing for electrical components

Material Specifications

Parameter	TIS™ 680-28A (Resin)	TIS™ 680-28B (Hardener)
Color	White	White
Viscosity @25℃	6,000 cPs	6,000 cPs
Specific Gravity	12.2 g/cc	-
Shelf Life @25℃	12 months	12 months

Processing Parameters

Mix Ratio (By Weight)	TIS™ 680-28A : TIS™ 680-28B = 100 : 100
Working Pot Life (250g @25℃)	30 minutes
Cure Schedule	3 hours at 25℃ or 20 minutes at 70℃

Cured Properties

Hardness @25℃	85 Shore D
Service Temperature	-40℃ to +200℃
Thermal Conductivity	2.8 W/m-K
Dielectric Strength	400 volts/mil
Volume Resistivity @25℃	3.0 × 10¹³ ohm-cm