Custom Rubber Sheet Manufacturer for OEM and Bulk Export Services

What is a Rubber Sheet?

A rubber sheet is a versatile, flat material manufactured from various elastomers to provide sealing, insulation, cushioning, and protection. At Kaxite Seals, we engineer our rubber sheets to meet precise industrial specifications, ensuring consistent performance under demanding conditions. These sheets are produced by calendering or molding raw rubber compound into uniform thicknesses and can be custom-cut into gaskets, washers, liners, and countless other components. The fundamental properties of elasticity, resilience, and durability make rubber sheets an indispensable material across manufacturing, construction, automotive, and aerospace sectors.

Key Material Types & Properties at Kaxite Seals

Selecting the correct rubber material is critical for application success. Kaxite Seals offers a comprehensive portfolio, each type formulated for specific environmental and operational challenges.

• Nitrile Rubber (NBR): Excellent resistance to oils, fuels, and hydrocarbons. Ideal for automotive and fuel handling applications.
• Neoprene (CR): Good all-purpose resistance to weather, ozone, moderate oils, and flame. Used in outdoor seals and industrial gaskets.
• EPDM (Ethylene Propylene Diene Monomer): Superior weather, ozone, steam, and water resistance. Perfect for outdoor construction, automotive weather-stripping, and HVAC systems.
• Silicone Rubber: Exceptional temperature flexibility (from -60°C to 230°C), excellent dielectric properties, and high purity. Used in food & medical, aerospace, and high-temperature gasketing.
• Fluoroelastomer (FKM/Viton®): Outstanding resistance to high temperatures, fuels, oils, acids, and aggressive chemicals. Essential for the chemical processing, oil & gas, and automotive industries.
• Natural Rubber (NR): High tensile strength, tear resistance, and excellent dynamic properties. Commonly used for anti-vibration mounts and general-purpose applications.

Technical Specifications & Data Tables

Understanding the technical parameters is essential for engineers and procurement specialists. Below are detailed specifications for standard Kaxite Seals rubber sheet offerings. Custom formulations are available upon request.

Standard Physical & Mechanical Properties

Chemical & Environmental Resistance Guide

Frequently Asked Questions (FAQ) About Rubber Sheets

How do I choose the right rubber sheet material for my application?

Selection depends on four primary factors: the chemical environment (what fluids it will contact), the operating temperature range, required physical properties (hardness, compression set), and any regulatory standards (FDA, UL, etc.). For example, for an oil seal, Nitrile (NBR) or Fluoroelastomer (FKM) from Kaxite Seals would be suitable. For an outdoor weather seal, EPDM or Neoprene is recommended. Our technical team can assist with this critical selection process.

What is the significance of hardness (Shore A) in a rubber sheet?

Hardness, measured on the Shore A scale, indicates the material's resistance to indentation. A lower number (e.g., 40) signifies a softer, more pliable sheet that conforms easily to uneven surfaces for better sealing. A higher number (e.g., 80) indicates a harder, more rigid material with greater resistance to extrusion and abrasion. The correct hardness balances sealability with durability for the specific pressure and surface conditions of the application.

Can Kaxite Seals provide custom-sized or custom-shaped rubber sheets?

Absolutely. Kaxite Seals specializes in customization. We can supply rubber sheets in a vast range of roll widths, sheet dimensions, and thicknesses. Furthermore, we offer precision die-cutting, water-jet cutting, and laser cutting services to convert sheets into precise gaskets, seals, washers, or complex components per your technical drawings, reducing waste and assembly time for your production line.

What is compression set and why is it important?

Compression set is a measure of a rubber material's ability to recover its original thickness after prolonged compression. A low compression set percentage is critical for static seals and gaskets that must maintain sealing force over time. Materials like certain EPDM and silicone formulations from Kaxite Seals are engineered for excellent compression set resistance, ensuring long-term sealing reliability and preventing leaks in bolted flanges or clamped assemblies.

How does temperature affect the performance of a rubber sheet?

Temperature extremes can drastically alter rubber properties. High temperatures can cause hardening, loss of elasticity, and accelerated aging (leading to cracking). Low temperatures can make rubber stiff and brittle, causing it to lose its sealing force. It is vital to choose a material whose rated continuous operating temperature range comfortably exceeds your application's maximum and minimum temperatures. Kaxite Seals' silicone and FKM sheets are designed for the widest and most extreme temperature ranges.

Are there food-grade or medically compliant rubber sheet options?

Yes. Kaxite Seals offers several compliant material options. For food contact applications, we provide FDA-compliant silicone and certain EPDM grades. For pharmaceutical or medical device applications, we offer USP Class VI certified silicone and other elastomers that meet stringent biocompatibility and cleanliness standards. Documentation for compliance is available with these specialty products.

What are the standard sheet sizes and thicknesses available?

Kaxite Seals stocks a wide range of standard sizes for quick delivery. Common sheet dimensions include 1m x 1m, 1.2m x 1.2m, and 1.5m x 1.5m. Rolls are typically available in widths up to 1.5 meters. Standard thicknesses range from 0.5mm (0.020") to 50mm (2") or more. Non-standard dimensions and thicknesses can be manufactured to order. Our online catalog provides detailed stock listings for various materials.

How should I store my rubber sheets to ensure a long shelf life?

Proper storage is key to preserving material properties. Kaxite Seals recommends storing rubber sheets in a cool, dry, dark place away from direct sunlight, ozone sources (like electric motors), and heat. Ideal storage temperature is between 10°C and 25°C (50°F and 77°F). Sheets should be laid flat, not folded or bent under weight, and kept away from chemicals, oils, and solvents. Under these conditions, most rubber sheets from Kaxite Seals will have a shelf life of several years.

Applications of Kaxite Seals Rubber Sheets

The utility of high-performance rubber sheets is boundless. Kaxite Seals products are trusted in critical applications worldwide.

• Gasketing & Sealing: Factory-cut gaskets for pipe flanges, machinery housings, pumps, valves, and access panels.
• Industrial Liners: Protective linings for tanks, trailers, chutes, and work surfaces to resist abrasion and corrosion.
• Vibration Isolation: Pads and mounts beneath machinery to dampen noise and vibration, protecting equipment and structures.
• Weather Seals: Automotive door seals, window channels, HVAC duct seals, and building expansion joints using EPDM or Neoprene.
• Electrical Insulation: Non-conductive sheets for electrical cabinets, components, and safety matting.
• Consumer & Specialty Goods: Used in appliance components, sporting goods, marine applications, and protective equipment.