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Item Code: 2494 Gas NBR

BSEN 682 : 2002 / NY141

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POLYMERNITRILE RUBBER
SURFACEBLACK RUBBER SHEET BOTH SIDE FABRIC NY 141 CLOTH FINISH
THICKNESS in mm (±0.4)3.153.00
WIDTH in mts (±3%)1.411.40
LENGTH in mts .(±3%)10.1010.00
DENSITY Mg/m31.211.20 ± 0.02
HARDNESS,IRHD70-7170 ± 5
TENSILE STRENGTH, Mpa110100 min.
ELONGATION AT BREAK, %300200 min.
a) Compression set, (% ), max.:
- in temp. 23° C after 72 h810
- in temp. 70° C after 24 h1518
- in temp. -5° C after 72 h2225
b) Air ageing resistance in temp.70°C after 7 days:
a) Δ RR , ( % ) , max.-7± 15
a) Δ ER , ( % ) ,max.-10+10/-25
a) Δ H , ( ° Shore A) , max.+3±5
Stress relaxation, max.
7 days at 23° C1114
90 days at 23° C1720
Volume change in liquid B after 7 days at 23°C, max+20+30
Volume change in liquid B and subsequent 4 days at 70°C air drying, max-7-10
Volume change in oil IRM 903 after 7 days at 70°C+5+10/-1
Ozone resistanceokNo cracking when viewed without magnification.
Compression set, (% ), max.: -in temp. -15° C after 72 h, max2550
QUANTITY (ROLLS)3737
QUANTITY (Kgs)1895

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