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HCRA 4165 Elkem Silicone 65A (HCR) High Consistency Rubber (A-165-HCRA)
Silicone Gum Rubbers


 
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Our Price: $89.95


Availability:: Usually Ships in 24 to 72 Hours
Product Code: HCRA-4165

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size*:
A-165-HCRA / 4 lb kit
A-165-HCRA-M / 4 lb kit MILLED [Add $20.00]
A-165-44-HCRA 44lb ($13.66 per lb) [Add $530.00]
A-165-44-HCRA-M 44lb MILLED ($17.61 per lb) [Add $705.00]

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General Information *Contact us for SDS* & Technical Specs
 

HCRA-4165 Silicone Gum Heat Cure HCR (High Consistency Rubber) 65 Shore A Durometer

Elkem HCRA Platinum Silicone Gum High Consistency Rubber, by it's nature has the highest physical properties than our other Silicone Elastomers. 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 silicones 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
Tensile,

psi (MPa)
Elongation,

%
Tear Strength,
ppi (kN/m)
Specific
Gravity
Appearance
HCRA 4120
(A-120-HCRA)
25 1430 (9.9) 1,260 220 (38) 1.12 clear
HCRA 4130
(A-130HCRA)
29 1500 (10.3) 1,100 220 (38) 1.12 clear
HCRA 4165
(A-165-HCRA)
65 1480 (10.2) 740 240 (42) 1.18 clear
Features
  • 13.6 kg (30 lb.)

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