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SQUARE® LIM1939-56AE/BE

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:	sN3f5A_SQUARELIM193956AEBE.pdf
PRICE:	Order Products email sales@su-jiao.com

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Liquid silicone rubber mateials for O-ring gasket

Product Description
LIM1939-XXA/B and LIM1919-XXA/B are 2-part liquid silicone rubber catalyzed by platinum with long usable life and excellent performance, suitable for injection molding processes.

Key Features

Outstanding oil or water - proof performance.

Outstanding weather resistance.

High tear strength.

Outstanding resistance to aging.

Low yellowing.

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

Applications
O-ring gasket for industrial sealed parts

General Information
Features	Moisture resistance Good tear strength Good weather resistance Oil resistance
Uses	Washer Industrial application
Appearance	Red
Processing Method	Liquid Injection Molding (LIM)

Physical	Nominal Value	Unit	Test Method
Molding Shrinkage - Flow	2.2	%	JIS K6301

Hardness	Nominal Value	Unit	Test Method
Durometer Hardness (Shore A)	49		ASTM D2240

Elastomers	Nominal Value	Unit	Test Method
Tensile Set ¹	4	%	ASTM D412
Tensile Strength	9.91	MPa	ASTM D412
Tensile Elongation (Break)	670	%	ASTM D412
Tear Strength ²	30.9	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			DIN 53019
-- ³	1000	Pa·s	DIN 53019
-- ⁴	1200	Pa·s	DIN 53019

Cured Properties	Nominal Value	Unit	Test Method
Rebound Resilience	62	%

Note Message
1 .	C mould
2 .	B mould
3 .	Part B
4 .	Part A

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