china casting foundry

Rubber & Polyurethane

Rubber & Polyurethane Services

Custom rubber and polyurethane solutions for industrial, automotive, and commercial applications, including molding, casting, and machining of elastomer components.

About Our Rubber & Polyurethane Services

Leesh Holdings provides precision rubber and polyurethane components with superior durability, flexibility, and chemical resistance. Our services cover compression, injection, and transfer molding, as well as polyurethane casting and machining.

Why Choose Our Services?

  • Wide range of hardness, durometer, and color options
  • Custom formulations to meet specific mechanical and chemical requirements
  • Prototyping, small-batch, and mass production capabilities
  • Strict quality control and testing procedures

Technical Capabilities

Feature Specification
Materials Natural rubber, nitrile, silicone, EPDM, polyurethane, Viton, Neoprene
Molding Methods Compression, injection, transfer molding, polyurethane casting
Hardness Range Shore A 20–95, Shore D 30–75
Sizes Custom sizes and geometries per drawing
Surface Finish Matte, glossy, textured, or custom as required
Testing Compression set, tensile strength, elongation, hardness, chemical resistance

Applications

  • Seals, gaskets, and O-rings for industrial machinery
  • Bumpers, pads, and vibration dampers
  • Automotive bushings, mounts, and protective components
  • Rollers, wheels, and custom polyurethane components
  • Medical, food-grade, and chemical-resistant parts

Process Flow

  1. Design & Material Selection – Identify required properties, hardness, and chemical resistance
  2. Mold Making – Prototype and production molds using high-precision tooling
  3. Molding & Casting – Rubber or polyurethane processed by selected method
  4. Post-Processing – Trimming, machining, surface treatment, or coating
  5. Inspection & Testing – Mechanical, chemical, and dimensional quality checks
  6. Packaging & Delivery – Safe packaging for shipment and customer delivery

FAQ

What types of rubber and polyurethane do you offer?

We provide natural rubber, nitrile, silicone, EPDM, polyurethane, Viton, and Neoprene, with custom formulations available.

Can you handle both small prototypes and large production runs?

Yes, we accommodate prototyping, small batches, and high-volume production.

Do you perform quality testing on parts?

Yes, including hardness, tensile strength, elongation, compression set, and chemical resistance testing.

Request a Quote

Please provide drawings, material requirements, desired hardness, quantity, and any special processing instructions.

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