Home / Rubber Sheeting / Neoprene Sheeting - Spec' Grade / Black Neoprene to BS2752 C40

Item Code: SM179

Black Neoprene to BS2752 C40

SM179 Black Neoprene to BS2752 C40.
As with all our materials, full certification is available with each delivery on request.

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 10m and 20m 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
SPECIFIC GRAVITY BS 903: PART A1 1.25
HARDNESS BS 903: PART A26 40 ± 5 IRHD
TENSILE STRENGTH (KG/CM2) BS 903:  PART A2 90
ELONGATION AT BREAK (MIN) BS 903: PART A2 450%
COMPRESSION SET (70ºC/24 HRS/25% SET) (MAX) BS 903: PART A6 30%
TEAR RESISTANCE ( ANGULAR ) MIN BS 903:  PART A3 25 Kg/cm
RESISTANCE TO ACCELERATED AGEING- 168HRS AT 70˚C BS 903: PART A19  
— HARDNESS (Pts) BS 903: PART A26 + 7 (MAX)
— TENSILE STRENGTH (%) BS 903: PART A2 -12 (MAX)
— ELONGATION AT BREAK (%) BS 903: PART A2 -20 (MAX)
VOLUME SWELL: AT 40˚C FOR 24 HRS/IN BS 903: PART A16  
FUEL B   + 100% (MAX)
RESISTANCE TO LOW TEMPERATURE AT – 40ºC BS 903: PART A13 MEETS REQUIREMENTS
ADHESION TO AND CORROSION OF METALS BS 903: PART A 37 MEETS REQUIREMENTS
POLYMER CONTENT (NEOPRENE)   100%
ADDITIONAL INFORMATION –
CHEMICAL RESISTANCE    
— OZONE BS 903: PART A 43 GOOD
— DILUTE ACIDS AND BASES BS 903: PART A16 GOOD
— CONCENTRATED ACIDS AND BASES   NOT RECOMMENDED
— MINERAL OILS – PARAFINNIC & NAPHTHANIC HC   GOOD
— MINERAL OILS – AROMATIC HC   FAIR
–ANIMAL/VEGETABLE OIL   GOOD
–SOLVENTS   FAIR
TEMPERATURE RANGE   -30º TO + 120º C
COLOUR BLACK
VOLUME SWELL DATA
RESISTANCE TO LIQUIDS BS ISO 1817, 24 h at (40±1) °C -0
VOLUME CHANGE (%) AFTER IMMERSION IN LIQUID B BS ISO 1817, 24 h at (40±1) °C +100
RESISTANCE TO ACCELERATED AGEING PART A19, AIR-OVEN METHOD A, (168±2)h, (70±1)°C -0
CHANGE IN HARDNESS DEGREES (IRHD) PART A26, METHOD N, MEASUREMENTS BEFORE AND AFTER AGEING ON THE SAME 2 PLIES EACH 2.00MM THICK +7
MAXIMUM CHANGE IN TENSILE STRENGTH (% OF ORIGINAL VALUE) PART A2, TYPE 1 OR TYPE 2 DUMBBELLS -12
MAXIMUM CHANGE IN ELONGATION AT BREAK (% OF ORIGINAL VALUE) PART A2, TYPE 1 OR TYPE 2 DUMBBELLS -20

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