Encapsulating Resin Flammability Property And Electric Property Are Good

Encapsulating Resin Flammability Property and Electric Property are good

 

 

Main Features:

1. Low Viscosity, Smooth Casting

2. Faster curing, filling port surface bright and clean.

3. Flammability Property and Electric Property are good

 

 

Description:

 

WEXP-85 is a double-component black curable thermal-conductive & flame-retardant, filled epoxy electronically potting system with low adhesive and excellent flow and it can penetrate into the gap of products; it can be solidified through normal temperature or heating with suitable speed of solidification; there is no bubble with plain and glazing surface and high hardness; the solidified materials have an excellent performance of anti-alkaline, waterproof, oil- proof and dust-proof, which is humid and thermal resistant and air aging; it owns excellent electric and physical features of insulation, anti-pressing and high degree of adhesive.

 

 

 

Applications:

 

 

 

 

 

 

Specifications:

 

Product Technical Specification:

 

Appearance	-	Black, White, Blue,Brown ,Silvery Grey, Options
Viscosity(25°C)	mPa.s	8000-18000
Density(25°C)	g/cm3	1.20-1.90
Curing time	h	<24

Using of Technology:

1. Formula 1:

WEXP-85: Hardener=100g:20g.

2. Formula 2:

WEXP-85: Hardener(Acid Anhydride Hardener)=100g:37g.

3. Operation Process:

Weight to accord the mixture ration, well stirred, vacuum deforming, and then packing.

4. Curing Condition (Formula-1):

Normal Temperature 24Hours,Or 60°C/2Hours

5. Curing Condition (Formula-2):

80°C/2Hours + 100°C/2Hours+ 120°C/6Hours

 

Performance after curing :

 

Item		Formula 1	Formula 2
Volume Resistance	Ω-cm	>1014	>1014
Surface Resistivity	Ω	>1013	>1013
Martin Heat Resistance	°C	>75	>75
Electric Strength	kV/mm	>20	>20
Dielectric Constant	-	3-5	3-5
Dissipation Factor	-	<0.03	<0.03
Rockwell hardness	-	>75	>75
Impact Strength	kJ/m2	>7	>7
Bending Strength	MPa	>80	>60
Absorption Capacity	%	<0.05	<0.05
Flame Resistance	Level	UL-94-V-O	UL-94-V-O
Oxygen Index	-	>30	>30