TIE™ 280-25AB is a two compound, high thermal conductive, low temperature cured, long pot life, fire resistant epoxy encapsulant compound. It is design for potting of capacitors and electrical devices.

 Features           

》Good thermal conductive: 2.5W/mK

》Excellent insulation and smoothly sourface.

》Low shrinkage

》Low viscosity, expediting air releaseed.

》Excellent in solvents and water proof. 

》Longer life time.

》Excellent thermal shock efficiecy and impact resistance

 Application

》Automotive starters potting; General potting Thermal detector potting

》Ferrite adhesion; TIP type LED; Good adhesion to aromatic polyester

》Relay sealant; Good adhesion to rubber, ceramics PCB and plastics

》Power transformers and coils; Potting capacitors Potting of small electrical devices

》Adhesion to metal glass and plastic LCD & substrates adhesion; Coating and sealant; Coil ; IGBTS; Transformer; Fire retardant

》Optical / medical component adhesive

Typical Uncured Material TIE™ 280-25A (Resin)
Color	Black
Viscosity@25℃ Brookfield	3,000 cPs
Specific Gravity	2.1 g/cc
Shelf life @25℃ in sealed container	12 months
TIE™ 280-25B (Hardener)
Color	Black
Viscosity@25℃ Brookfield	5,000 cPs
Shelf life @25℃ in sealed container	12 months n

 

 

Mix Ratio (By weight)                                                                                                         TIE™ 280-12A : TIE™ 280-12B = 100 : 100
Viscosity @25℃	4,000 cPs
Working pot life (250 g @25℃)	45 min
Specific Gravity	2.1g/ccn
Cure Schedule
Cure 12 hours at 25℃
Cure 30 minutes at 70℃

 

 

Cured Properties
Hardness @25℃	85 Shore D
Service temperature	-40℃ to +130℃
Glass transition temperature Tg	92℃
Elongation	0.10%
Coefficient of thermal expansion, / ℃	3.0 X 10-5
Fire resistance UL	Meet 94 V-0
Moisture absorption % wt gain 24 hours water immersion @25℃	0.1

 

 

Thermal
Thermal Conductivity	2.5 W/m-K
Thermal Impedance @10psi	0.31 ℃-in²/W
ELECTRICAL AS CURED
Dielectric Strength	300 volts / mil
Dielectric Constant	4.2 MHz
Dissipation factor	0.029 MHz
Volume resistivity, ohm-cm @ 25℃	3.0 X 1012

 

Packing: 1KG/CAN