Rubber Molding

Silicones / Elastomers


Reiss Manufacturing specializes in custom molding heat cured rubber products, including:

  • O-rings
  • Rubber grommets
  • Rubber gaskets
  • Rubber seals
  • Over-molded parts with metal or plastics
  • Bellows
  • Spacers
  • Connectors
  • EMI/RFI shielding
  • Custom molded shapes and parts
  • Nuclear radiation shielding (non-lead)
  • Tubes and wraps
  • And much more

Silicone and fluorosilicone can be molded in both solid and sponge, while fluorocarbons like Viton® and EPDM are molded in solid.

Rubber molding process capabilities include:

  • Compression (multiple cavity or single to meet your production quantity needs)
  • Transfer
  • Injection
  • Silicone Liquid Injection Molding (LIM)

Our engineers can recommend and utilize the most economical method of rubber processing to manufacture parts for your specific application. This service along with our in-house custom formulating and compounding allows us to offer our customers an efficient and cost-effective solution for their molded rubber needs.

Ronsil Rubber Molding can also meet most automotive, military, commercial, UL, NSF, ASTM D-2000, ASTM C1115, ASTM D1056, FDA 21 CFR 177.2600, ZZR-765, A-A-59588, A-A-55759, AMS, EQUIV. TO BMS, PD SPEC 45551AC-AM, MIL-R-25988A, and custom specifications.

Additional services we provide include:

  • Molded sponge and foam sheets
  • Molded rubber sheets up to 36″ x 36″
  • Molded parts from less than 1 gram to as large as 50 pounds
  • Coloring options that include transparent and translucent solutions with a durometer range of 10 to 90 Shore A
  • A wide selection of molded silicone stoppers in various sizes
  • Special barrier coatings applied for wear and chemical resistance
  • Extensive engineering assistance including prototype design
  • In-house tool design and manufacturing utilizing CAD/CAM allowing us to offer low-cost tooling with short lead time for most low-volume jobs
  • Partnerships with outside mold tool and die vendors enabling us to provide our customers with quality parts at competitive prices

Contact Reiss Manufacturing to speak with a specialist about how our silicone rubber and fluorosilicone compounds can help your company achieve your green goals, or use our online RFQ form to get a quote for your specific project needs.

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