Dip Molding/

Plastic Coating

Plastic coating is the process of using a molten polymer or plastic to provide a protective covering for manufactured components. Although there are other methods of plastic coating, dip molding is the most common method, and is more efficient and cost-effective than others. The most common material used in dip coating is plastisol, a polymer which is liquid at room temperature and solidifies permanently when heated.

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U.S. Plastic Coatings Corporation
Sellersville, PA
800-398-2520
U.S. Plastic Coatings Corporation is the premier plastic coating operation in the country. We take great pride in the quality of our products, and our long list of satisfied customers can attest to that quality as well as to the quality of our customer service. Our weathered staff has helped countless customers connect with the products they need. Get in touch with us today to join that list.
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Caplugs
Buffalo, NY
888-227-5847
Since our beginnings in 1948 Caplugs has become a leading manufacturer of product protection items. We specialize in dip molded plastic products and are an excellent source of caps, plugs, grips and other items. With capabilities that include injection molding, plastic coating and extrusion, our engineers and professionals are able to customize a solution for even the most unique application.
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MOCAP
Park Hills, MO
800-633-6775
Almost 30 years ago, MOCAP was founded with the aim of becoming the best supplier of plastic coating services and products anywhere in the industry. Since then, we've made that dream a reality. We have customers in the automotive, medical, appliance, electronics, HVAC and pipe and tubing industries, and our business is only going to expand. Visit our website to see why.
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Galow Metal & Plastics, Inc.
Oshkosh, WI
800-888-4463
In 1980, Galow Metal Products, Inc. was started in a small facility in Oshkosh. Today, we've grown into Galow Metal & Plastics, the country's premier supplier of stamping, welding and coating services. We offer all kinds of products and services, including plastic caps and plastic coating, as well as products based on unique customer designs. Contact us to learn how we can help your company.
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Precision Dip Coating LLC
North Haven, CT
203-772-3864
Precision Dip Coating is the industry leader in the plastic product coating industry. Our plastic coating and coated products can't be beat by any other player in the business. We offer a wide variety of services to meet our customers' needs, and we stand firmly by the quality of our workmanship and services. Check out our website for more details about the company.
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Industry Information

Plastic Coating

Plastic coating provides an insulative and protective cover for materials such as electrical components, wire forms, handles of everyday tools and sports equipment, medical equipment etc. During the process, dip molders lower objects into a vat of molten plastic where the plastic adheres to the surface of the object. A primer may be applied to the surface of certain materials prior to dipping to ensure ideal coverage. Plastic coatings can be as thin as .25 inches but are often made thicker than that. Dwell time is the length of time an object is immersed in plastic for, and usually the longer it is immersed for, the thicker the layer of plastic coating is. The coated object is then removed slowly from the vat to avoid surface irregularities. Oven temperature, dip speed and immersion times are all variables that affect the final quality of the coating.

The two types of plastic dip coating are cold dip coating and hot dip coating. Cold dip coating is used for thinner applications of plastic coating, whereas hot dip coating is used for a thicker layer and requires an object be heated before immersion. Due to the nature of plastic manufacturing, dip molded plastic coatings can be applied to any object that is able to withstand the high temperatures of molten plastic, and is able to fit into a vat. Manufacturers are able to adjust color, thickness, texture, material choice, etc according to desired specifications. Coating materials are used for both decorative and protective purposes. Plastic, or polymer coatings, are used to insulate electrical wires and components to reduce the risk of shock or fire. The coatings seal the wires from moisture and dirt and from direct contact with the people handling them. Plastic coating also improves the corrosion resistance of objects such as fencing, wire hangers, outdoor metal hooks and accessories, and thus increases the lifespan of these objects. It improves the comfort and grip of numerous machine and appliance handles, and adds the benefit of wear and scratch resistance to these frequently used objects.