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Item Code: SM190

Black Nitrile to BS2751 BA50

SM190 Black Nitrile to BS2751 BA50 is a High Grade pure NBR (acrylonitrile butadiene) Nitrile sheeting to British Standard BS2751/BA50 specification, made to exacting standards suitable for use with oils, fuels, greases and water, with excellent mechanical and physical characteristics.

N.B. All 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 5 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

PROPERTIES

TEST METHOD

VALUES

METRIC UNITS

DENSITY (Mg/m3)

BS 903: PART A1

1.15 ± 0.02

HARDNESS

BS903: PART A26

50 (+5-4) IRHD

TENSILE STRENGTH (MIN)

BS 903:  PART A2

7.5 Mpa

ELONGATION AT BREAK (MIN)

BS 903: PART A2

450%

COMPRESSION SET (70ºC/24 HRS/25% SET) (MAX)

BS 903: PART A6

25%

TEAR RESISTANCE ( ANGULAR ) MIN

BS 903:  PART A3

35 Kg/cm

RESISTANCE TO ACCELERATED AGEING – 168 HRS AT 70˚C

BS 903: PART A19

 

— HARDNESS (Pts)

BS 903: PART A26

+ 10 (MAX)

— TENSILE STRENGTH (%)

BS 903: PART A2

-10 (MAX)

— ELONGATION AT BREAK (%)

BS 903: PART A2

-35 (MAX)

VOLUME SWELL : AT 40˚C FOR 24 HRS/IN

BS 903: PART A16

 

FUEL B

 

+30 (MAX)

RESISTANCE TO LOW TEMPERATURE IN ºC AT WICH THE STIFNESS SHALL NOT EXCEED 70 MPA

BS 903: PART A13

-30

ADHESION TO AND CORROSION OF METALS
AT 70ºC / 168 HRS

BS 903: PART A 37

MEETS REQUIREMENTS

POLYMER CONTENT (NITRILE)

 

100%

ADDITIONAL INFORMATION –

CHEMICAL RESISTANCE

   

— OZONE

BS 903: PART A 43

FAIR

— DILUTE ACIDS AND BASES

BS 903: PART A16

GOOD

— CONCENTRATED ACIDS AND BASES

 

NOT RECOMMENDED

— MINERAL OIL/PETROLEUM

 

EXCELLENT

— SOLVENTS

 

FAIR

TEMPERATURE RANGE

 

-30˚ to +120˚C

COLOUR

BLACK

VOLUME SWELL: AT 700 C FOR 72 HRS/IN

VALUES

IRM / ASTM OIL NO.1

– 3 %

IRM / ASTM OIL NO.2

– 2%

IRM / ASTM OIL NO.3

+ 10%

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