Metroseal

Black Commercial Premium Grade NR / SBR

SKU: SM123
Roll Size: 2m, 5m, 10m

This product is available for bespoke manufacturing, please choose an option below:

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SM123 Black Commercial Premium Grade NR / SBR 70° shore is a Commercial Premium Grade Natural Rubber and Styrene Butadiene rubber blend. 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
  • 50mm in moulded plates 1m x 2m
  • Finish: Smooth (SS), Cloth (CC) Smooth / Plate (SC)
  • Cutting: Standard press-tools

This Product is REACH, RoHS, PAH and CE 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 1.50±0.05 ASTM D297 1.50±0.05
HARDNESS DIN 53505 70 ± 5 SH A ASTM D2240 70 ± 5 SH A
TENSILE STRENGTH ( MIN ) DIN 53504 426 PSI ASTM D412 30 KG/CM2
ELONGATION AT BREAK ( MIN ) DIN 53504 200% ASTM D412 200%
TEAR RESISTANCE ( ANGULAR ) MIN DIN 53515 90 LBS/INCH ASTM D624 16 KG/CM
CHANGE IN PROPERTIES AFTER
HEAT AGEING FOR ( 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 70ºC FOR 72 HRS ASTM D 471
IN IRM OIL NO.1 NOT RECOMMENDED NOT RECOMMENDED
IN IRM OIL NO.2 NOT RECOMMENDED NOT RECOMMENDED
IN IRM OIL NO.3 NOT RECOMMENDED NOT RECOMMENDED
CHEMICAL RESISTANCE
— OZONE NOT RECOMMENDED ASTM D 1149 NOT RECOMMENDED
— DILUTE ACIDS AND BASES NOT RECOMMENDED NOT RECOMMENDED
— CONCENTRATED ACIDS AND BASES NOT RECOMMENDED NOT RECOMMENDED
— OILS NOT RECOMMENDED NOT RECOMMENDED
— SOLVENTS NOT RECOMMENDED NOT RECOMMENDED
TEMPERATURE RANGE -20º TO + 70 ºC -20º TO + 70 ºC
COLOUR BLACK

Rubber Gaskets Quote Request

Cut Rubber Strips Quote Request

Cut Rubber Parts Quote Request