Liquid Silicone Rubber (LSR) for PCR and DR Roller

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Basic Model:
LIM6969-65A/B, LIM6969-50A/B, LIM6969-48A/B, LIM6969-45A/B

Product Description
As a two-component, platinum-catalyzed liquid silicone rubber (LSR), the product is ideal for injection molding process. Two components (A and B) are mixed by a proper ratio. Under the temperature of 20℃, the well sealed A/B mixture can be used for 5 days. As the temperature rises, the time reduces.

Liquid Silicone Rubber (LSR) for PCR and DR Roller

Features
High elastic resilience
Low volatility
High thermo stability
Low compression set

Main Applications
The liquid silicone rubber is mainly used as elastic roller coatings on the power charge roller (PCR) and developer roller (DR) of laser printers and copiers in office.

Packaging
20kg/pail or 200kg/pail

Typical Properties of the Silicone Rubber

Physical properties	Test method	Unit	LIM6969-65A/B	LIM6969-50A/B	LIM6970-48A/B	LIM6969-45A/B
Appearance (Color)			Black	Black	Black	Black
Hardness	D2204	A	62 ~ 64	49 ~ 51	44 ~ 48	44 ~ 45
Viscosity	DIN53019	mPa.s	A:(25 ~ 27) x 104	A:(6.6 ~ 7) x 104	A:(6.5 ~ 7) x 104	A:(4.0 ~ 4.4) x 104
Viscosity	DIN53019	mPa.s	B:(25 ~ 27) x 104	B:(6.6 ~ 7) x 104	B:(6.2 ~ 7) x 104	B:(4.1 ~ 4.4) x 104
Tensile strength	D412	MPa	> 5.0	> 4.5	> 4.0	> 4.5
Elongation at Break	D412	%	> 150	> 150	> 180	> 140
Tear strength	D624B	KN/m	> 8.0	> 5.5	> 5.5	> 6.0
Linear shrinkage	JISK 6301	%	≤2.5	≤2.5	≤2.5	≤2.5
Elastic resilience		%		> 68	> 60	> 75
Volume resistivity	IEC60093	Ω.cm	0.03 ~ 0.07	0.00 ~ 0.01	0.01 ~ 0.03	0.00 ~ 0.01

Notes:
1) Store the liquid silicone rubber in an indoor dry and ventilated place at a room temperature, and keep it away from direct sun. Storage time of the thermoset elastomers is 12 months.
2) Parameters in the table are only used for reference. For detailed molding conditions, please contact us directly.

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