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Silopren® LSR 4050

Category:	Silicone Rubber, LSR , Silicone Rubber, LSR
Manufacturer:	Momentive Performance Materials Inc.
Trademark:	Silopren®
Fillers:	-
Ports:	Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms	FOB, CIF, DAP, DAT, DDP
PDF:	RH0TGA_Silopren-LSR-4050.pdf
PRICE:	Order Products email sales@su-jiao.com

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Silopren LSR 4050 is a two-component liquid silicone rubber for injection processes. Silopren LSR 4050 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 4050 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 4050 is particularly suitable for the following elastomeric articles: sealing elements, diaphragms, ear plugs, bellows, respiratory devices, vibration dampers, pipette nipples, tube connectors, catheters, parts for medical technical equipment, mats s.o.

General Information
Features	Biocompatible Ethylene Oxide Sterilizable Good Colorability Good Thermal Stability Good UV Resistance High Clarity Low to No Odor Low to No Taste Ozone Resistant Radiation Sterilizable Steam Sterilizable Vibration Damping
Uses	Connectors Diaphragms Medical/Healthcare Applications Seals
Agency Ratings	BfR Food Contact, Unspecified Rating FDA 21 CFR 177.2600 ISO 10993 USP Class VI
Appearance	Clear/Transparent
Forms	Liquid
Processing Method	Injection Molding

Physical	Nominal Value	Unit	Test Method
Density	1.12	g/cm³	DIN 53479

Hardness	Nominal Value	Unit	Test Method
Durometer Hardness (Shore A)	51		DIN 53505

Elastomers	Nominal Value	Unit	Test Method
Tensile Strength	10.0	MPa	DIN 53504
Tensile Elongation (Break)	600	%	DIN 53504
Tear Strength ¹	35.0	kN/m	ASTM D624
Compression Set (175°C, 22 hr)	25	%	DIN 53517

Thermoset	Nominal Value	Unit	Test Method
Thermoset Components
Part A	Mix Ratio by Weight: 1.0
Part B	Mix Ratio by Weight: 1.0
Post Cure Time (200°C)	4.0	hr

Additional Information	Nominal Value	Unit	Test Method
Vulcanization (175°C)	10.0	min

Uncured Properties	Nominal Value	Unit	Test Method
Color
-- ²	Translucent
-- ³	Translucent
Viscosity			DIN 53018
20°C ⁴	600	Pa·s
20°C ⁵	600	Pa·s
Pot Life (20°C)	4300	min

Note Message
1 .	Die B
2 .	Part B
3 .	Part A
4 .	Part B
5 .	Part A

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