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Home / Rubber Sheeting / NR/SBR Sheeting / Black Commercial Premium Grade NR / SBR 70° shore

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Item Code: SM123

Black Commercial Premium Grade NR / SBR 70° shore

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 ASTM D297 1.5 DIN 53508 1.5
HARDNESS ASTM D2240 70 ± 5 Sh A DIN 53505 70 ± 5 Sh A
TENSILE STRENGTH ( min ) ASTM D412 426 PSI DIN 53504 30 kg/cm2
ELONGATION AT BREAK ( min ) ASTM D412 200% DIN 53504 200%
TEAR RESISTANCE ( Angular ) min ASTM D624 90 Lbs/Inch DIN 53515 16 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
ASTM OIL NO.1 NOT RECOMMENDED NOT RECOMMENDED
ASTM OIL NO.2 NOT RECOMMENDED NOT RECOMMENDED
ASTM OIL NO.3 NOT RECOMMENDED NOT RECOMMENDED
CHEMICAL RESISTANCE
--- OZONE ASTM D 1149 NOT RECOMMENDED 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 + 70º C -20º to + 70º C
COLOUR BLACK BLACK

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