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SQUARE® LIM1939-35A/B

Category:	Silicone Rubber, LSR , Silicone Rubber, LSR
Manufacturer:	Shenzhen SQUARE Silicone Co., Ltd.
Trademark:	SQUARE®
Fillers:	-
Ports:	Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms	FOB, CIF, DAP, DAT, DDP
PDF:	Sh7gsp_SQUARELIM193935AB.pdf
PRICE:	Order Products email sales@su-jiao.com

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Liquid silicone rubber mateials for pads

Product Description
LIM1939-35A/B and LIM1939-60A/B are 2-part liquid silicone rubber catalyzed by platinum with long usable life and excellent performance, suitable for injection molding processes.

Key Features

Meet US FDA CFR21. Part.177.2600 and EN 14350.2 and EU RoHS Atandard.

Outstanding weather resistance.

High tear strength.

Outstanding resistance to aging.

Low yellowing

The safe operating period is 5 days under airproof condition and 20 after mixing component A and B, the safe operating period will decrease with the increasing of the temperature.

Applications
Silicone pad for industrial parts

General Information
Features	Good tear strength Good weather resistance
Uses	Industrial application
Agency Ratings	FDA 21 CFR 177.2600
RoHS Compliance	RoHS compliance
Appearance	Clear/transparent
Processing Method	Liquid Injection Molding (LIM)

Physical	Nominal Value	Unit	Test Method
Molding Shrinkage - Flow	2.0	%	JIS K6301

Hardness	Nominal Value	Unit	Test Method
Durometer Hardness (Shore A)	33		ASTM D2240

Elastomers	Nominal Value	Unit	Test Method
Tensile Set ¹	< 8	%	ASTM D412
Tensile Strength	> 9.00	MPa	ASTM D412
Tensile Elongation (Break)	> 800	%	ASTM D412
Tear Strength ²	> 30.0	kN/m	ASTM D624

Thermoset	Nominal Value	Unit	Test Method
Thermoset Components
Component a	Mixing ratio by weight: 1.0
Component B	Mixing ratio by weight: 1.0
Pot Life (20°C)	7200	min
Shelf Life	52	wk

Uncured Properties	Nominal Value	Unit	Test Method
Viscosity	1600	Pa·s	DIN 53019

Cured Properties	Nominal Value	Unit	Test Method
Rebound Resilience	> 50	%

Note Message
1 .	C mould
2 .	B mould

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