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Item Code: SM240

Black Natural Rubber to BS5400 Pt 9 Bridge Bearing

SM 240 Black Natural Rubber to BS5400 Pt 9 Bridge Bearing is a Black Natural rubber suitable for Bridge bearings, manufactured to BS5400 part 9. Ideal where bridge bearings are produced from sheet.

On most sheetings we can offer the additional benefits of:-

Tacky – Back A bonding layer applied to one surface
Dry – Back Heavy Duty EP fabric layer on one or both sides
PU – Face A 2 or 3mm polyurethane coated surface layer

The above sheeting is manufactured from top quality virgin materials and ingredients meeting high standard of performance.

  • Material Profile: see below
  • Thickness: 5mm to 25mm (other thickness’ on request)
  • Sheet Size: 1.4m wide in 5m and 10m rolls
  • Finish: Smooth finish
  • 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

Propertiestest method
values
fps units
test method
values
metric units
SPECIFIC GRAVITYBS 903 : Part A1(Z)1.20
HARDNESSBS 903 : Part A2660 ± 5 IRHD
TENSILE STRENGTH ( min )BS 903 : Part A2155 Kg/cm2
ELONGATION AT BREAK ( min )BS 903 : Part A2400%
COMPRESSION SET (70ºC/24 hrs/25% set) (max)BS 903 : Part A630%
TEAR RESISTANCE ( Angular ) minBS 903 : Part A3 (Z)40 Kg/cm
CHANGE IN PROPERTIES
HEAT AGEING ( 7 days / 70ºC )BS 903: Part A 19
--- HARDNESS (Pts)BS 903 : Part A26+ 10 / -10 (Max)
--- TENSILE STRENGTH (%)BS 903 : Part A2-15 /+ 15 (Max)
--- ELONGATION AT BREAK (%)BS 903 : Part A2 - 20 / + 20 (Max)
LOW TEMPERATURE BRITTLENESSBS 903 : Part A25Below -25ºC
LOW TEMPERATURE STIFFENING, (-25ºC/24 HRS) , IRHDBS 903 : Part A26-0 / +15 IRHD(Max)
"LOW TEMPERATURE CRYSTALLIZATION COMPRESSION SET @ -10ºC/10 DAYS"BS 903 : Part A3965% (Max)
"LOW TEMPERATURE CRYSTALLIZATION COMPRESSION SET @ -25ºC/3 DAYS"BS 903 : Part A3965% (Max)
SHEAR MODULUS (at a strain of 0.25)BS 903 : Part A 14PASS
--- OZONE@25 pphm/30ºC/96 hrs/20% stretchBS 903 : Part A 43NO VISIBLE CRACKS
POLYMER CONTENT (NATURAL RUBBER)100%
Additional Information -
CHEMICAL RESISTANCE
--- DILUTE ACIDS AND BASESNOT RECOMMENDED
--- CONCENTRATED ACIDS AND BASESNOT RECOMMENDED
--- OILSNOT RECOMMENDED
--- SOLVENTSNOT RECOMMENDED
TEMPERATURE RANGE-40º to + 70ºC
COLOURBLACK

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