Polyurethane Molding/

Urethane Molding

Urethane molding, sometimes called polyurethane molding, is an elastic polymer that contains urethane carbamate links. Urethane is formed at a molten state and may be fabricated or molded into low-density flexible foam, low-density rigid foam, gel elastomer and hard, rigid plastics. Valued for its uses in rigid and flexible memory foams, urethane is also very useful in solid plastic form as well.

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Gallagher Corporation
Gurnee, IL
800-373-8793
Gallagher Corporation, an ISO 9001:2000 certified facility, specializes in custom urethane molding, designing, engineering, mold making, prototyping, bonding to metal, materials engineering, as well as short- and long-run production since 1965. Serving every industry, parts range from 1 oz. - 2,000 lbs. Website has extensive, free design guide. Rush quotes available.
 
American Urethane, Inc.
Odenton, MD
800-394-7883
A manufacturer of custom urethane molding, American Urethane serves a variety of industries, including chain conveyor equipment, material-handling, power tools, computers and medical. As a molding company, the materials offered have expansive applications as well as a longer service life. For a quote or additional information, visit our website or give us a call.
 
Unicast Inc.
Easton, PA
800-275-0818
Unicast is a full-service urethane molding company and machine shop. They offer quality and long lasting engineered parts. Our casting machines ensure blending of standard urethane blends. We offer custom made parts in addition to their extensive line of standard parts to ensure that every specification and requirement can be met. Visit our website or call for a quote today.
 
FallLine Corporation
Reno, NV
800-325-5463
FallLine has been a manufacturer of custom urethane molding products for various industries since 1981. We offer a wide range of proven materials ranging from 40A - 80D, as well as the capability to formulate materials to meet specific needs. Our knowledgeable staff, on-site design team and machine shop are dedicated to offering excellent customer service and rapid turnaround times.
 
Weaver Industries, Inc.
Denver, PA
717-336-7507
Founded in 1954, Weaver Industries offers urethane molding products and services to their loyal customers. Many things have changed with our company in the last fifty years, however one thing has not changed and that is our pursuit to provide customers with the highest quality products and parts, as well as the most cost-effective solutions to all their difficulties.
 
Western Roller Corporation
Bend, OR
800-541-2317
Western Roller Corporation has been experts in urethane molding solutions since 1972. WRC cast and molded parts offer superior properties and low set-up cost for small custom runs to large quantity production. Want tough, high performance, non-marking, high traction material? Call us for exactly what you need we can provide custom shapes of all kinds! We never compromise on quality.
 
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Urethane Molding

Polyurethane molding combines many of the desirable qualities of plastic, rubber and metal with a longer life than other plastics, higher impact resistance than rubber, elastic memory, noise reduction, and heat and chemical resistance. Urethane moldings include a wide variety of pneumatic seals, press tool blocks, conveyor bushings, bumpers, bowling balls and parts for a broad spectrum of industries such as construction, automotive, food processing, engineering and athletic equipment. Urethane moldings offer such advantageous characteristics as high moldability, corrosion resistance a good strength-to-weight ratio and low processing costs.

The raw urethane molding materials are heated to molten form. During this stage, they react with one another to form a pre-polymer. When the urethane molding is ready to be processed, a curative is introduced to the pre-polymer in order to complete the polymeric transition. Accelerated by heat and pressure, the mixture is poured into a mold cavity and cured to form the final polymer. During open polyurethane molding, the pre-polymer and curative are heated and mixed together, poured into an open cavity and cured without the application of pressure. During closed polyurethane molding processes such as injection molding, the pre-polymer and curative are heated and mixed together, then injected into the closed cavity through small holes. Urethane possess several advantages over other elastomers and materials. It  has higher resistance, greater load bearing ability, broader hardness range and better colorability than rubber. In comparison to metal, urethane offers better noise reduction, greater abrasion, corrosion and impact resistance and more flexibility. In certain applications, it has higher impact, more abrasion resistance, better elastic memory and noise reduction capabilities than other plastics.

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Urethane Molding Image Provided by American Urethane, Inc.
Urethane Molding Image Provided by Gallagher Corporation
Urethane Molding
Urethane Molding Image Provided by FallLine Corporation