This kind of LTV rubber, which has properties of low viscosity, high density and good thermal conductivity, is an ideal material for potting and sealing heat-dissipating dynamic devices. With low viscosity property, it is convenient to apply to electronic devices with high-density components and preserves good sealability, heat-dissipation and heat-resistance.

Type	KQ46	KQ48
Viscosity （ CP ）	6000 ～ 50000	6000 ～ 50000
Surface Curing Condition （ 150 ℃ ）	10minutes	10 minutes
Storage Life （ month 、 ≤ 10 ℃ ）	6months	6 months
After Curing
Specific Gravity(25 ℃)	1.2 ～ 1.6	1.4 ～ 2.0
Hardness Durometer A	40 ～ 65	50 ～ 75
Tensile Strength(mpa)	≥ 2.0	≥ 2.0
Elongation at Break(%)	≥50	≥50
Lap Shear Temperature(mpa)	≥0.5	≥0.5
Applicable Temperature( ℃)	-35 ～ 200	-35 ～ 280
Linear Shrinkage(m/m)	≤ 0.004	≤ 0.004
Coef.of Thermal Expansion(m/m)	≤1 ×10 -4	≤1 ×10 -4
Thermal Conductivity(w/m.k)	≥0.5	≥0.8
Volume Resistivity( Ω .cm)	≥1 ×10 10	≥1 ×10 10
Dielectric Strength(kv/mm)	≥17	≥20
Flammability UL94	HB	V-0

This kind of product, which has properties of low viscosity, high Density and good thermal conductivity, is suitable for potting and sealing precise electronic components with flame resistance and heat-dispersion requests, such as communications power modules of various specifications, microtransformers, line-output integrated transformers, conversion coils, transformer components and solar cells, etc, and serves the purposes of heat resistance, insulation, seal, waterproofness, resistance to environmental pollution, stress and various shocks reduction, long-term reliable protection to sensitive circuits components.

Type	KQ41		KQ42		KQ43		KQ45		KQ47
A/B-component	A	B	A	B	A	B	A	B	A	B
Viscosity(CP)	2000	3000	4000	5000	6000	7000	9000	10000	12000	13000
Blend Viscosity	2500		4500		6500		10000		13000
Unprecipitability	Within 8 hrs		Within 8 hrs		Within 8 hrs		Within 8 hrs		Within 8 hrs
Blend Ratio	1	1	1	1	1	1	1	1	1	1
Handing Time after Blending (25 ℃ )	60 minutes		60 minutes		60 minutes		60 minutes		60 minutes
Surface Curing Condition(65 ℃ )	15 minutes		15 minutes		15 minutes		15 minutes		15 minutes
Storage Life	12 months		12 months		12 months		12 months		12 months
Blended A&B Components (After Curing)
Specific Gravity(25 ℃ )	1.2		1.4		1.6		1.8		2.0
Hardness Durometer A	≥ 35		≥ 35		≥ 40		≥ 40		≥ 50
Tensile Strength(Mpa)	≥ 1.0		≥ 1.0		≥ 1.0		≥ 1.0		≥ 1.0
Elongation at Break(%)	≥ 50		≥ 50		≥ 45		≥ 40		≥ 40
Tear Strength(Kg/cm)	≥ 0.5		≥ 0.5		≥ 0.5		≥ 0.5		≥ 0.5
Applicable Temperature( ℃ )	-55 ～ 220		-55 ～ 220		-55 ～ 220		-55 ～ 220		-55 ～ 220
Linear Shrinkage(m/m)	≤ 0.004		≤ 0.004		≤ 0.004		≤ 0.004		≤ 0.004
Coef.of Thermal Expansion(m/m)	≤ 1 × 10 -4		≤ 1 × 10 -4		≤ 1 × 10 -4		≤ 1 × 10 -4		≤ 1 × 10 -4
Thermal Conductivity(w/m.k)	..		0.4		0.6		0.8		1.0
Volume Resistivity( Ω .cm)	≥ 1 × 10 10		≥ 1 × 10 11		≥ 1 × 10 12		≥ 1 × 10 13		≥ 1 × 10 13
Dielectric Strength(kv/mm)	≥ 10		≥ 10		≥ 12		≥ 15		≥ 18
Flammability UL94	..		HB		V-0		V-0		V-0