| Customization: | Available |
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| Material: | Natural Rubber |
| Usage: | Industrial Rubber Slab, Industrial, Flooring, Printing, Rubber Floor Covering |
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Product Description
Natural Rubber Sponge Sheet is a versatile material made from high-quality natural rubber, offering exceptional flexibility, durability, and resistance to wear and tear. Its unique sponge structure allows for excellent compression set resistance, making it ideal for sealing, gasketing, insulation, and cushioning applications. It is an excellent choice for industries requiring high-performance, eco-friendly materials with outstanding physical properties.
Key Features
Flexibility & Compression Resistance: The sponge structure of natural rubber allows for excellent flexibility, providing an effective seal and cushioning. It also resists compression, ensuring long-term performance.
Durability: With excellent resistance to wear, tear, and aging, natural rubber sponge offers a long service life even in harsh environments.
Good Insulation Properties: Provides thermal and sound insulation, making it an ideal material for automotive, construction, and HVAC applications.
Water Resistance: Naturally resistant to water, ensuring it maintains its properties in wet environments.
Eco-friendly: Made from natural rubber, this material is biodegradable and a more environmentally friendly option compared to synthetic rubber.
Non-toxic & Safe: Non-toxic and safe for various industrial and consumer applications, including the food and pharmaceutical industries.
Seals & Gaskets: Ideal for creating seals and gaskets in automotive, construction, and industrial machinery.
Cushioning & Padding: Used in packaging, automotive interiors, and protective packaging due to its excellent cushioning properties.
Sound Insulation: Perfect for soundproofing applications in industrial and commercial settings.
Thermal Insulation: Commonly used in the HVAC industry for insulating pipes, ducts, and other equipment.
Medical & Food Industry: Safe for use in medical devices and food-processing equipment due to its non-toxic nature.
| Property | Test Standard | Value |
| Polymer Type | Natural Rubber | |
| Hardness (Shore A) | ISO 868:2003 | 40 +/- 5 |
| Tensile strength (Mpa) | ISO 37:2017 | ≥22 |
| Elongation at break (%) | ISO 37:2017 | ≥700 |
| Tear Resistance (N/mm) | ISO 34-1:2015 | ≥60 |
| Abrasion Resistance at 5N (mm³) | ISO 4649:2017 | ≤60 |
| Density (g/cm³) | 1.05 +/- 0.05 | |
| Compression Set after 22h at 70ºC (%) | ISO 815-1:2014 | ≤30 |
| Operating Temperature (ºC) | -40ºC to 80ºC |
| Property | Test Standard | Value |
| Hardness change after 168h at 70ºC (Shore A) | ASTM D573-04(10) | ≤5 |
| Tensile strength change after 168h at 70ºC (%) | ASTM D573-04(10) | ≤-15 |
| Elongation at break change change after 168h at 70ºC (%) | ASTM D573-04(10) | ≤-25 |
| SBR | Working Temperature | -30°C-80°C | |
| Tensile strength | 2-8mpa | ||
| Hardness | 50-80 Duro | ||
| NBR | General Grade | High Grade | |
| Material Selection | SBR/NBR | Nitrile | |
| Working Temperature | -30°C-80°C | -30°C-110°C | |
| Tensile strength | 3-8mpa | ||
| Hardness | 50-80 Duro | ||
| CR | General Grade | High Grade | |
| Material Selection | SBR/CR | Neoprene | |
| Working Temperature | -30°C-80°C | -30°C-110°C | |
| Tensile strength | 3-8mpa | ||
| Hardness | 50-80 Duro | ||
| EPDM | General Grade | High Grade | |
| Material Selection | SBR/EPDM | EPDM | |
| Working Temperature | -30°C-80°C | -30°C-110°C | |
| Tensile strength | 3-8mpa | ||
| Hardness | 50-80 Duro | ||
| Silicone | Working Temperature | -50°C-220°C | |
| Tensile strength | 6-8mpa | ||
| Hardness | 60-70 Duro | ||
| Insulation | Polymer Content | 100% SBR | |
| Working Temperature | -30°C-100°C | ||
| Proof Voltage | 15KV-50KV | ||
| Color | Black, Grey | ||
| Surface | Smooth/ fine rib | ||
| Antistatic /ESD |
Material | NBR/SBR | |
| Working Temperature | -30°C-100°C | ||
| Top Layer | 107-109Ω | ||
| Bottom Layer | 103-105Ω | ||
| Color | Green+black | ||
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