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A-4550-HCRA Elkem Silicone 50A (HCRA) High Consistency Rubber
HCR High Consistency Rubber Silicone


 
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Product Code: A-4550-HCRA

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General Information SDS & Technical Specs
 

A-4550-HCRA Silicone Gum Heat Cure HCR (High Consistency Rubber) 50 Shore A Durometer (HCRA 4550)

Elkem 4500 series HCRA Platinum Silicone Gum High Consistency Rubber, by it's nature has excellent physical properties. HCR Silicones also have the benefit of being dimensionally stable with very low to no shrinkage. Since it is a gum rubber you can actually sculpt your piece directly into the silicone itself. HCR's also bond well to most substrates making it a great laminate, it also has a long 6 hour working time in an optimal 65F work space. HCR silicone's must be heated to reach full cure.
Parts A & B are a series of two-part platinum-catalyzed silicone elastomers. Each elastomer is supplied as a two-part kit (Part A & Part B), equal portions of which must be thoroughly blended together prior to use.


A two-roll mill is used for the blending process and coloring process.
Find our two roll mills here



Elkem Product Durometer,
Shore A
High/Low
Tensile,
psi
High/Low
Elongation,
%
High/Low
Tear Strength,
lb/in.
High/Low
Specific
Gravity
High/Low
Appearance
A-4550-HCRA 45 55 1900 1200 1000 6000 320 220 1.20 1:10 clear

Features
  • 13.6 kg (30 lb.)

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