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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 – in simple applications such as packing pieces, dust seals, protection pads etc where the materials is not coming under duress.

  • Material Profile: See Below
  • Thickness: 1mm to 25mm
  • Sheet Size: 1.4m wide in 5m and 10m rolls
  • Finsh: Smooth finish both sides
  • Cutting: Standard press-tools

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

Propertiestest method
values
fps units
test method
values
metric units
SPECIFIC GRAVITYDIN 535081.35±0.05ASTM D2971.35±0.05
HARDNESSDIN 5350540 ± 5 Sh AASTM D224040 ± 5 Sh A
TENSILE STRENGTH ( min )DIN 53504713 PSIASTM D41240 kg/cm2
ELONGATION AT BREAK ( min )DIN 53504250%ASTM D412250%
COMPRESSION SET (70ºC/24 hrs/25% compression) (max)DIN 5351740%ASTM D395 METHOD B40%
TEAR RESISTANCE ( Angular ) minDIN 53515112 Lbs/InchASTM D62420 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 HRSASTM D 471
IN IRM OIL NO.1NOT RECOMMENDEDNOT RECOMMENDED
IN IRM OIL NO.2NOT RECOMMENDEDNOT RECOMMENDED
IN IRM OIL NO.3NOT RECOMMENDEDNOT RECOMMENDED
CHEMICAL RESISTANCE
--- OZONENOT RECOMMENDEDASTM D 1149NOT RECOMMENDED
--- DILUTE ACIDS AND BASESNOT RECOMMENDEDNOT RECOMMENDED
--- CONCENTRATED ACIDS AND BASESNOT RECOMMENDEDNOT RECOMMENDED
--- OILSNOT RECOMMENDEDNOT RECOMMENDED
--- SOLVENTSNOT RECOMMENDEDNOT RECOMMENDED
TEMPERATURE RANGE-20º to + 70 ºC-20º to + 70 ºC
COLOURBLACKBLACK

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