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Item Code: SM352

Nitrile Rubber Bonded Cork

SM352 Nitrile Bonded Cork is a rubber bonded cork jointing sheet with high compressibility, flexibility and resilience for a wide variety of applications in the automotive, industrial gasket and sealing industries. This sheet conforms to ASTM-F104-93-F229000.

N.B. All Metroseal sheeting can be supplied plain or with self adhesive backed tape (SAB). Rubber Strip to bespoke sizes are available along with customised sheets/gaskets. Please email your enquiry details to sales@metroseal.co.uk

  • Material Profile: see below
  • Thickness: 0.5mm to 50mm
  • Sheet Size: 1m wide in 10m rolls
  • Finish: Natural finish
  • Cutting: Standard press-tools

Other grades, colours and finishes are available – subject to minimum batch quantities

Properties

Test Method

Values

Hardness Shore-A (IRHD):

ASTM D1415

55±5

Dimensional Changes % Max:

 

1.2

Tensile Strength KPA Min:

ASTM F152

850

Elongation at Break

 

Good

Compressibility at 2800 KPA %:

ASTM F36

35-55

Recovery at 2800 KPA % Min:

ASTM F36

80

Flexibility Factor 5T When bent Around a 4 x Gasket Thickness DIA. Mandrel No Cracks The Gasket Material Shall Remain Flexible Down To–15°C:

ASTM F147

No Breakage

Density (SG)

 

0.95

Fluid Resistance Test (% Change in Volume)

 

 

ASTM Oil No. 1 oil 72hr @ 100oC

ASTM F146

0 to +40oC

ASTM Oil No. 1 oil 72hr @ 100oC

ASTM F146

0 to +20oC

Maximum Temperature Can Withstand:

 

100oC

Material:

 

 

Rubber:

 

NBR

Granulated Cork:

 

0.5/1.0mm

Colour:

 

Natural

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