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Silicone Sponge Sheet Seal 0.8-50mm

Industrial Rubber Sheet
January 05, 2026
Category Connection: Industrial Rubber Sheet
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Tags:
#rubber sheet rolls #waterproof rubber sheet #food grade rubber sheet
Brief: In this video, we take a focused look at the specifications and what they mean in practice for the Closed Cell Silicone Sponge Sheet. You'll see a detailed explanation of its 20-25 Shore A hardness and 0.8-50mm thickness range, learn how its closed-cell structure provides waterproof and airtight sealing, and discover its performance in high-temperature and demanding industrial applications.
Related Product Features:
  • Closed-cell structure provides an excellent barrier against moisture, air, dust, and many gases.
  • Maintains sealing force and returns to original shape after compression with low compression set.
  • Operates continuously from -60°C to 200°C and withstands momentary peaks up to 260°C.
  • Resists weathering, UV radiation, ozone, and many chemicals for long-term durability.
  • Meets UL 94 V-0 flame retardant standards for electrical and transportation safety.
  • Naturally buoyant due to its sealed-cell structure, making it suitable for flotation applications.
  • Available in various thicknesses from 0.8mm to 50mm and multiple colors including red, white, grey, and black.
  • Offers both peroxide-cured for industrial use and platinum-cured for medical and food contact applications.
FAQs:
  • What is the temperature range for this closed cell silicone sponge sheet?
    This silicone sponge sheet has a continuous operating temperature range from -60°C to 200°C (-76°F to 392°F), with the ability to withstand momentary peaks up to 260°C.
  • How does the closed-cell structure benefit sealing applications?
    The impermeable closed-cell structure creates an excellent waterproof and airtight seal, effectively blocking moisture, air, dust, and many gases from passing through.
  • What are the key differences between peroxide-cured and platinum-cured silicone sponge?
    Peroxide-cured is the standard industrial grade, while platinum-cured is specifically designed for medical devices, food contact, and high-purity applications where extra cleanliness is required.
  • What thickness options are available for this material?
    The closed cell silicone sponge sheet is available in thicknesses ranging from 0.8mm (1/32") to 50mm, with standard sheet sizes including 1.0m x 10m, 1.2m x 10m, and 1.5m x 10m configurations.
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