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Home / Rubber Sheeting / NR/SBR Sheeting / Black Premium Grade NR / SBR 40° shore
Flame Retardant Rubber

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Item Code: SM101

Black Premium Grade NR / SBR 40° shore

SM101 Black Premium Grade NR / SBR blend 40° shore is a 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 5m and 10m rolls
  • Finsh: Smooth finish both sides
  • 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 1.35±0.05 ASTM D297 1.35±0.05
HARDNESS DIN 53505 40 ± 5 Sh A ASTM D2240 40 ± 5 Sh A
TENSILE STRENGTH ( min ) DIN 53504 713 PSI ASTM D412 40 kg/cm2
ELONGATION AT BREAK ( min ) DIN 53504 250% ASTM D412 250%
COMPRESSION SET (70ºC/24 hrs/25% compression) (max) DIN 53517 40% ASTM D395 METHOD B 40%
TEAR RESISTANCE ( Angular ) min DIN 53515 112 Lbs/Inch ASTM D624 20 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 BLACK

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