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Item Code: SM154

NR NATURAL RUBBER HIGH ABRASION RESISTANT MATERIALS

Properties test method
values
fps units
test method
values
metric units
SPECIFIC GRAVITY ASTM D297 0.98 +- 0.05 DIN 53508 0.98 +- 0.05
HARDNESS ASTM D2240 35 +- 5 Sh A DIN 53505 35 +- 5 Sh A
TENSILE STRENGTH ( MIN ) ASTM D412 2850 PSI DIN 53504 200 kg/cm2
ELONGATION AT BREAK ( MIN ) ASTM D412 600% DIN 53504 600%
ABRASION RESISTANCE ( MAX ) ASTM D5963 100 mm3 DIN 53516 100 mm3
COMPRESSION SET (70ºC/24 HRS/25% SET) (MAX) ASTM D395 METHOD B 30% DIN 53517 30%
TEAR RESISTANCE (ANGULAR) MIN ASTM D624 140 LBS/INCH DIN 53515 25 KG/CM
CHANGE IN PROPERTIES
HEAT AGEING ( 72 HRS. AT 70 °C ) ASTM D573
--- HARDNESS (PTS) + 5 (MAX) + 5 (MAX)
--- TENSILE STRENGTH (%) + 10 / - 15 + 10 / - 15
--- ELONGATION AT BREAK (%) + 10 / - 25 + 10 / - 25
VOLUME SWELL : AT 70ºC FOR 72 HRS/IN ASTM D 471
IRM OIL NO.1 NOT RECOMMENDED NOT RECOMMENDED
IRM OIL NO.2 NOT RECOMMENDED NOT RECOMMENDED
IRM OIL NO.3 NOT RECOMMENDED NOT RECOMMENDED
CHEMICAL RESISTANCE
--- OZONE ASTM D 1149 FAIR FAIR
--- DILUTE ACIDS AND BASES GOOD GOOD
--- CONCENTRATED ACIDS AND BASES NOT RECOMMENDED NOT RECOMMENDED
--- OILS NOT RECOMMENDED NOT RECOMMENDED
--- SOLVENTS NOT RECOMMENDED NOT RECOMMENDED
TEMPERATURE RANGE -25° to + 70°C -25° to + 70°C
COLOUR RED RED

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