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Precision Polymer S71U

Category:	Silicone , Silicone
Manufacturer:	Precision Polymer Engineering Ltd.
Trademark:	Precision Polymer
Fillers:	-
Ports:	Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms	FOB, CIF, DAP, DAT, DDP
PDF:	cHDyGp_Precision-Polymer-S71U.pdf
PRICE:	Order Products email sales@su-jiao.com

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S71U is a high transparency grade of silicone rubber intended for use in food, dairy, brewing, potable water, pharmaceutical and biomedical applications. Platinum-cured silicone is odourless, tasteless and non toxic. Seals made from S71U are resistant to repeated sterilising, autoclaving and cleaning agents commonly used in these industries.

Unlike traditional peroxide-cure methods, platinum curing results in a smooth contact surface finish and a high degree of purity. No residue substances such as benzoic acid, peroxides, ketones are produced during manufacturing, which can be transferred from the seal to critical hygienic products.

Key Attributes

Compliant with FDA FDA CFR210177.2600 for use with dry, aqueous and fatty food stuffs.

Conforms to USP class VI suffix 87 and 88, Biological Reactivity tests.

Good mechanical and physical properties

Chemically stable over a temperature range of -60°C to +200°C.

Withstands sterilizing and autoclaving procedures

Free from Animal Derived Ingredients (ADI)

Typical Applications

Food processing and packaging equipment

Pharmaceutical and biomedical apparatus

Hygienic seals in dairy equipment

Potable and high-purity water applications

General Information
Features	High purity Good disinfection High pressure heating resistance The smell is low to none The smell is low to none Compliance of Food Exposure No kinetic components Non-toxic Excellent appearance
Uses	Packaging Non-specific food applications Seals Food packaging Drug Medical/nursing supplies Potable water application
Agency Ratings	FDA 21 CFR 177.2600 USP Class VI
Appearance	Translucent

Hardness	Nominal Value		Test Method
IRHD Hardness	70 - 75		ASTM D1415, ISO 48

Elastomers	Nominal Value	Unit	Test Method
Tensile Strength (Yield)	8.50	MPa	ASTM D412, ISO 37
Tensile Elongation (Break)	480	%	ASTM D412, ISO 37
Compression Set (175°C, 22 hr)	32	%	ASTM D395, ISO 815

Aging	Nominal Value	Unit	Test Method
Change in Tensile Strength in Air (200°C, 168 hr)	10	%	ASTM D412, ISO 37
Change in Ultimate Elongation in Air (200°C, 168 hr)	-1.5	%	ASTM D412, ISO 37
Change in IRHD Hardness in Air (200°C, 168 hr)	5.0		ASTM D573, ISO 188

Thermal	Nominal Value	Unit
Maximum Operating Temperature	200	°C

Additional Information
Minimum Operating Temperature: -60°C (-76°F)

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