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Item Code: SM104

Black Nitrile / SBR Rubber 50° shore

SM104 Black Nitrile (10% content) / SBR Rubber 50° shore is a Styrene Butadiene rubber sheeting. It is used where a cheaper quality material will suit. For example in simple applications such as packing pieces, dust seals, protection pads etc. where the material is not coming under duress.

N.B. 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: 1.4m wide in 5, 10 and 20m rolls
  • Finish: Smooth finish,
  • Cutting: Standard press-tools

This product is fully CE, PAH, RoHS, REACH compliant

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

PROPERTIES TEST METHOD VALUES FPS UNITS TEST METHOD VALUES METRIC UNITS
SPECIFIC GRAVITY DIN 53508 1.45 ± 0.05 ASTM D297 1.45 ± 0.05
HARDNESS DIN 53505 50 ± 5 SH A ASTM D2240 50 ± 5 SH A
TENSILE STRENGTH ( MIN ) DIN 53504 569 PSI ASTM D412 40 KG/CM2
ELONGATION AT BREAK ( MIN ) DIN 53504 200% ASTM D412 200%
COMPRESSION SET (70 ºC/24 HRS/25% SET) (MAX)

 

DIN ISO 815-1

 

40%

ASTM D395 METHOD B

 

40%

TEAR RESISTANCE ( ANGULAR ) MIN DIN 53515 100 LBS/INCH ASTM D624 18 KG/CM
CHANGE IN PROPERTIES        
HEAT AGEING ( 72 HRS. AT 70 ºC )     ASTM D573  
— HARDNESS (PTS)   + 5 (MAX)   + 5 (MAX)
— TENSILE STRENGTH (%)   + 10 / – 25   + 10 / – 25
— ELONGATION AT BREAK (%)   + 10 / – 25   + 10 / – 25
VOLUME SWELL : AT 70º C FOR 72 HRS/IN     ASTM D 471  
IRM OIL NO.1   + 30%   + 30%
IRM OIL NO.2   + 44%   + 44%
IRM OIL NO.3   + 85%   + 85%
POLYMER CONTENT (NITRILE)   10%   10%
CHEMICAL RESISTANCE        
— OZONE   FAIR ASTM D 1149 FAIR
— DILUTE ACIDS AND BASES   FAIR   FAIR
— CONCENTRATED ACIDS AND BASES   NOT RECOMMENDED   NOT RECOMMENDED
— OILS   NOT RECOMMENDED   NOT RECOMMENDED
— SOLVENTS   NOT RECOMMENDED   NOT RECOMMENDED
TEMPERATURE RANGE   -30 º TO +90º C   -30 º TO +90º C

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