NuSil MED-2245 Two-Part Standard High Consistency Elastomers

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NuSil MED-2245 Two-Part Standard High Consistency Elastomers - Unrestricted Medical Use
Categories:	Polymer; Thermoset; Silicone; Silicone Rubber
Material Notes:	Description: High consistency rubber, or HCR, consists of high molecular weight polymer combined with silica to produce a material that can be molded, extruded, or calendared into a useful end product. An HCR has the consistency of clay and is primarily formulated in a one or two part system (peroxide and platinum catalysts, respectively). Important Properties of Adhesives: Most platinum cure high consistency rubbers are two component systems with an easy-to-work-with 1:1 mix ratio. Features of platinum cure high consistency rubbers include the following: Two part (typically) Heat accelerated No byproducts Post cure optional Low percent shrinkage Comments: Mix Ratio (A) 100: (B) 0.7: (C) 0.16 Cure System: Platinum Information provided by NuSil
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Physical Properties	Metric	English	Comments

Specific Gravity	1.13 g/cc	1.13 g/cc

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	40	40	Typical
	35 - 45	35 - 45	Certified
Tensile Strength at Break	6.90 MPa	1000 psi	Certified
	10.3 MPa	1490 psi	Typical
Tensile Stress at Strain	1.38 MPa @Strain 200 %	200 psi @Strain 200 %
Elongation at Break	550 %	550 %	Certified
	775 %	775 %	Typical
Tear Strength	17.5 kN/m	100 pli	Certified
	35.1 kN/m	200 pli	Typical

Processing Properties	Metric	English	Comments
Cure Time	10.0 min @Temperature 171 °C	0.167 hour @Temperature 340 °F
	120 min @Temperature 148 °C	2.00 hour @Temperature 298 °F	Post

Descriptive Properties
Plasticity	98 mils

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PNUSIL307 / 142031

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