NBR RUBBER SHEETS IN DUBAI U.A.E

CR RUBBER SHEETS

Chloroprene Rubber (CR), also known as Neoprene, is a versatile synthetic rubber known for its excellent resistance to ozone, weathering, and oil. It is commonly used in various industrial applications where resistance to harsh environmental conditions is required. Here’s a detailed specification, classification, and description of CR rubber sheets:

Specification

  1. Material:
    • Chloroprene Rubber (CR)
  2. Properties:
    • Hardness: 40-90 Shore A (commonly available in 60-70 Shore A)
    • Tensile Strength: 7-20 MPa
    • Elongation at Break: 200-600%
    • Specific Gravity: 1.20 – 1.40
    • Compression Set: < 25% (22 hrs @ 70°C)
    • Tear Strength: 15-40 N/mm
  3. Temperature Range:
    • -30°C to +100°C (-22°F to +212°F)
    • Can withstand short periods up to 120°C (248°F)
  4. Thickness:
    • Typically available in thicknesses ranging from 1 mm to 50 mm.
  5. Width and Length:
    • Standard widths: 1 meter, 1.2 meters, 1.5 meters
    • Length: Usually in rolls of 10 meters, 20 meters, or customized as per requirements.
  6. Color:
    • Black is the most common color, but other colors such as white, grey, and custom colors can be available upon request.
  7. Finish:
    • Smooth or fabric finish on one or both sides.
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Classification

  1. By Hardness:
    • Soft: 40-60 Shore A
    • Medium: 60-80 Shore A
    • Hard: 80-90 Shore A
  2. By Application:
    • General Purpose: Used in a variety of general applications.
    • Industrial: High-strength and high-resilience sheets for industrial use.
    • Oil Resistant: Formulated for applications requiring resistance to oils and petroleum-based fluids.
    • Flame Retardant: Formulated for applications requiring flame resistance.

Description

  1. Applications:
    • Sealing and Gaskets: Used in seals and gaskets requiring excellent weather and oil resistance, such as automotive gaskets and seals.
    • Weatherstripping: Ideal for use in weatherstripping applications due to its resistance to ozone and weathering.
    • Vibration Isolation: Used in vibration isolation mounts and pads due to its resilience and damping properties.
    • Electrical Insulation: Suitable for use as an insulator in electrical applications.
    • Marine: Used in marine environments due to its resistance to saltwater and weathering.
    • Automotive: Used in various automotive applications including hoses, belts, and weatherstripping.
  2. Advantages:
    • Excellent Weather Resistance: Superior resistance to ozone, weathering, and aging, making it suitable for outdoor applications.
    • Oil Resistance: Good resistance to oils, greases, and petroleum-based fluids.
    • Flame Resistance: Neoprene rubber sheets are inherently flame resistant.
    • Flexibility: Maintains flexibility over a wide temperature range, making it suitable for dynamic applications.
    • Durability: Long-lasting performance in harsh environmental conditions.
  3. Limitations:
    • Temperature Limitation: Limited high-temperature resistance compared to some other rubber materials.
    • Chemical Resistance: Limited resistance to strong acids, bases, and solvents.
  4. Maintenance and Care:
    • Regularly inspect for signs of wear, cracking, or hardening, especially in harsh environmental conditions.
    • Clean with mild soap and water; avoid using harsh chemicals or solvents.
    • Store in a cool, dry place away from direct sunlight and ozone sources to extend the life of the rubber sheets.

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