Silopren® LSR 4040

About
Silopren LSR 4040 is a two-component liquid silicone rubber for injection moulding processes. Silopren LSR 4040 can be used to produce medical technical articles with high transparency and excellent rubber elastic properties. Key Features and Benefits Vulcanisates consisting of Silopren LSR 4040 are distinguished by the following properties: Excellent biocompatibility High stability to ozone and ultraviolet light Neutral odor and taste Sterilisable with ethylene oxide, steam and gamma radiation Good transparency High thermal stability High recovery after puncture Easy pigmentable with the LSR Colour Pastes Potential Applications Because of the outstanding properties Silopren LSR 4040 is particularly suitable for the following elastomeric articles: sealing elements, diaphragms, ear plugs, bellows, baby teats, respiratory devices, air vent flaps, tube connectors, catheters, parts for medical technical equipment, mats s.o.&&

About

Silopren LSR 4040 is a two-component liquid silicone rubber for injection moulding processes. Silopren LSR 4040 can be used to produce medical technical articles with high transparency and excellent rubber elastic properties. Key Features and Benefits Vulcanisates consisting of Silopren LSR 4040 are distinguished by the following properties: Excellent biocompatibility High stability to ozone and ultraviolet light Neutral odor and taste Sterilisable with ethylene oxide, steam and gamma radiation Good transparency High thermal stability High recovery after puncture Easy pigmentable with the LSR Colour Pastes Potential Applications Because of the outstanding properties Silopren LSR 4040 is particularly suitable for the following elastomeric articles: sealing elements, diaphragms, ear plugs, bellows, baby teats, respiratory devices, air vent flaps, tube connectors, catheters, parts for medical technical equipment, mats s.o.&&

Product Description
Supplier	Momentive
Generic	硅橡胶,LSR
Material Status	Commercial: Active
Features	Weather resistance is good,Good Clarity,Steam sterilized,Biocompatible,Low odor,Radiation disinfection,Ozone resistance,Heat Stabilized,Ethylene oxide disinfection,Good coloring
Availabilitys	Africa & Middle East ,North America,Latin America,Asia Pacific,Europe
Process Methods	Injection Molding

Technical Data
PHYSICAL	Nominal value	Unit	Test method
Density	1.12	g/cm³	DIN 53479

MECHANICAL	Nominal value	Unit	Test method
Shore hardness
Shaw’s A	40		DIN 53505

elastic body	Nominal value	Unit	Test method
tensile strength	9.00	MPa	DIN 53504
Tensile strain
fracture	750	%	DIN 53504
tear strength	25.0	kN/m	ASTM D624
Compression deformation
175℃，22 hr	25	%	DIN 53517

THERMAL	Nominal value	Unit
Thermosetting components
Component A	按重量计算的混合比: 1.0
Component B	按重量计算的混合比: 1.0
Post curing time
200℃	4.0	hr

Supplementary information	Nominal value	Unit	Test method
Vulcanization（175℃）	10.0	min

Uncured Properties	Nominal value	Unit	Test method
colour
—	Translucent
—	Translucent
viscosity			DIN 53018
20℃	600	Pa·s	DIN 53018
20℃	600	Pa·s	DIN 53018
storage stability
20 ℃	4300	min

Notes
1. Typical properties: these are not to be construed as specifications.
2. Die B
3. Part B
4. Part A
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