NuSil MED-4565 One-Part Standard High Consistency Elastomer

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NuSil MED-4565 One-Part Standard High Consistency Elastomer - Unrestricted Medical Use
Categories:	Polymer; Thermoset; Silicone; Silicone Rubber
Material Notes:	Description: HCRs can be used for extrusion of tubing and profiles (rod or ribbon), in calendared sheeting for die-cutting, or in compression or transfer molded parts such as balloons, gaskets or o-rings. HCRs are clay-like in the uncured state and when cured generally exhibit very high mechanical properties and low modulus Important Properties of Adhesives: HCRs with a peroxide cure system have a long history in implant applications. The cure mechanism can be vinyl specific or non vinyl specific. Non vinyl specific peroxide catalysts are more commonly used with HCRs than vinyl specific peroxide catalysts. Features of peroxide cure high consistency rubbers include the following: One or two part Indefinite work time Heat required Acid or alcohol byproducts Post cure required % shrinkage ~2 -5% Comments: Uncatalyzed Cure System: Peroxide Information provided by NuSil
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Physical Properties	Metric	English	Comments

Specific Gravity	1.21 g/cc	1.21 g/cc

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	65	65	Typical
	60 - 70	60 - 70	Certified
Tensile Strength at Break	6.20 MPa	899 psi	Certified
	8.30 MPa	1200 psi	Typical
Tensile Stress at Strain	3.10 MPa @Strain 200 %	450 psi @Strain 200 %
Elongation at Break	450 %	450 %	Certified
	500 %	500 %	Typical
Tear Strength	26.3 kN/m	150 pli	Certified
	35.1 kN/m	200 pli	Typical

Processing Properties	Metric	English	Comments
Cure Time	5.00 min @Temperature 116 °C	0.0833 hour @Temperature 241 °F
	120 min @Temperature 177 °C	2.00 hour @Temperature 351 °F	Post

Descriptive Properties
Mix Ratio	1 Part		Suggest using CAT-102 Peroxide Catalyst @ 1 pph
Plasticity	115 mils

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PNUSIL326 / 142050

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