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RC0308-40 - BS 2752 Neoprene Rubber Sheet C40 - Price breaks available on all thicknessesRC0308-40 - BS 2752 Neoprene Rubber Sheet C40 - Price breaks available on all thicknesses

Neoprene BS 2752 Sheeting (40° Shore A)

Item Code: RC0308-40

Material: Neoprene
Hardness (Shore A): 40°
Full roll length: 0.5mm to 6mm – 10m
8mm+ – 5m
Width: 1.4m
Thickness: 0.5mm, 1mm, 1.5mm, 2mm, 3mm, 4mm, 5mm, 6mm, 8mm, 10mm
Colour: Black

from £57.23 exc. VAT
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Estimated Delivery:3 to 5 working days

Price per linear metre

Price Breaks (0.5mm to 6mm)

Quantity     Discount
5m+ 20%
10m 40%

Price Breaks (8mm+)

Quantity     Discount
5m 40%

Key Features & Benefits

  • Soft & Highly Flexible Elastomer (40 Shore A): Grade C40 provides maximum pliability and elongation (450%), enabling it to seal uneven surfaces or wrap effortlessly around tight radiuses.
  • Fully Compliant BS 2752 Grade C40 Specification: Formulated from 100% virgin chloroprene polymer, meeting strict British Standard performance criteria for critical engineering projects.
  • Low Clamping Force Sealing: Soft compound compressively deforms under low bolt torque to create an immediate airtight and watertight seal on delicate or irregular mating flanges.
  • Outstanding Weather & Ozone Resistance: Engineered to withstand prolonged outdoor exposure, direct UV rays, and oxidative weathering without perishing, surface cracking, or stiffening.
  • Resilient Chemical & Oil Tolerance: Resists direct contact with mineral oils, petroleum products, hydraulic fluids, atmospheric gases, and diluted chemical solutions.
  • Broad Operating Thermal Window (-30°C to +120°C): Remains soft, highly pliable, and resilient across low freezing temperatures and high thermal environments alike

Product Information

Flexible BS 2752 C40 Neoprene Rubber Sheeting for Low-Torque Sealing

Achieve reliable fluid and gas containment across specialized engineering, defense, and marine applications with our soft BS 2752 C40 neoprene rubber sheeting. Manufactured entirely from 100% virgin chloroprene polymer, this specification-grade neoprene sheet is ideal for installations where lower clamping pressure is required to seal light-gauge metal, plastic, or uneven joint faces.

At 40° Shore A hardness, Grade C40 is the softest standard grade in the BS 2752 family. Its exceptional elasticity allows it to mold seamlessly to surface imperfections while maintaining structural recovery across demanding operating conditions.

Fully Certified British Standard Compliance

Unlike commercial-grade synthetic rubber blends that incorporate SBR extenders, BS 2752 C40 neoprene rubber sheet stock undergoes independent testing to ensure compliance with strict British Standards. This certification guarantees superior elongation at break (450%), high physical flexibility, and dependable resistance to compression set and aging under continuous service.

Its natural resistance to oils, greases, weather aging, and ozone makes BS 2752 C40 neoprene sheets the primary material choice for lightweight hatch seals, low-pressure flange gaskets, and flexible jointing sleeves.

Why Choose BS 2752 C40 Neoprene Sheeting?

  • Exceptional Pliability & Stretch: High 450% elongation makes it easy to bend, shape, or wrap around complex components without cracking or tearing.
  • Ideal for Delicate Assemblies: Seals effectively under light compression forces, preventing distortion or stress cracking on lightweight mating flanges.
  • Fully Traceable Quality: Manufactured to precise British Standard specifications, eliminating material inconsistencies across critical installations.
  • Multi-Environment Durability: High resistance to UV exposure, ambient ozone, sea spray, and temperature extremes ensures long-term operational performance.

Applications

  • Low-torque flange gaskets and light-gauge pipe joints
  • Soft sealing strips for marine hatches, access doors, and cabinet enclosures
  • Dust sleeves, flexible bellows, and protective expanding boots
  • Sound dampening, shock absorption, and soft anti-vibration pads
  • Weatherproofing strips for lightweight structural architectural joints

If this is not the product you are looking for, take a look at the rest of our range of neoprene sheeting, or our whole range of rubber sheeting and gasket materials.

Technical Data

Properties Values
Material Neoprene (100%)
Colour Black
Density 1.25 g/cm2
Tensile Strength 90 kg/cm2
Elongation at Break 450 %
Compression Set (22 h @ 70° C, 25% compression) 30%
Tear Resistance 25 kg/cm
Maximum Temperature +120° C
Minimum Temperature -30° C

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Datasheet

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