Plastic Extrusions/

Plastic Channels

Plastic channels are linear extruded profiles that can be extruded to any length for use as trim, insulators, sealants, connectors and gutters. Channels can attach, hold, guard, seal and direct the flow of liquid. Common types of profiles include J-channels, H-channels and U-channels, although much more complicated profiles are often extruded for applications such as window insulation, which requires multiple internal gaps and chambers for heat and sound insulation.

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Preferred Plastics, Inc.
Plainwell, MI
269-685-5873
Preferred Plastics' team has the knowledge, experience and commitment to serve all of your custom extrusion manufacturing needs. Our team works cohesively and comprehensively to give you the best engineered product at the highest quality possible. Plastic channels are included in our product line. If you`re looking for a team that`s ready for your project, then we`re the team for you!
 
Polytec Plastics, Inc.
St. Charles, IL
800-739-9066
Since 1973, Polytec Plastics has manufactured high-quality Tubing, Rods & Pipe at competitive prices. Sizes range from 1/32" diameter to 4-1/2" diameter, in all types of Thermoplastic materials. Small quantities, blanket orders & ship from stock: we are ready to quote your needs. Along with our plastic channels, we process all types of thermoplastics & will help you select the right product.
 
SFR Industries Inc.
Cadott, WI
800-369-9410
SFR Industries has been a leading custom plastic channels manufacturer since 1978. We serve a variety of industries from commercial furniture to store fixtures to industrial applications with a specialty in vinyl polymers. We will make your ideas take shape and assist with any of your unique application requirements. Give us a call today to get more information.
 
CPI Caledonia Plastics Inc.
Concord, ON
905-738-1245
Our customers can depend on consistent high quality products, competitive pricing and product certification. Here at CPI Caledonia Plastics, we take our commitment to excellence very seriously. For over 20 years customers have depended on us for custom plastic channels in a variety of materials, lengths and sizes as well as custom colors and formulations.
 
Win Plastic Extrusions, LLC
Cuyahoga Falls, OH
330-929-1999
At Win Plastic Extrusions we have elevated ourselves above our competitors through new and innovative production processes and through an unmatched dedication to our customers. Win Plastics has developed a complete line of non-phthalate PVC products to meet your phthalate free requirements. We can make custom extrusions to your specifications. Call us for all of your plastic channels needs.
 
GSH Industries, Inc.
Cleveland, OH
440-238-3009
As a supplier and manufacturer of plastic channels and other extruded plastic products, GSH Industries knows extrusions. We have continually expanded & attained our position as a preferred supplier of quality products & engineering ingenuity at competitive pricing & on-time delivery. With our experience in the plastics field & our facility, we have positioned ourselves into the next century.
 
Absolute Custom Extrusions, Inc.
Milwaukee, WI
414-332-8133
At Absolute Custom Extrusions, we specialize in plastic channels, while providing custom plastic extrusions and profiles. Products include distributor tubes, hot or cold water tubes, automotive tubing, medical tubing, shipping tubes and golf club tubes. Experienced since 1986, ISO 9001:2000 certified. Other capabilities include labeling, printing, custom cutting, etc.
 
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Industry Information

Plastic Channels

Construction industries use plastic channels quite extensively, not only for window trim and insulation, but for outdoor siding, indoor and outdoor trim, outdoor gutters (commonly known as U-channels), indoor drains and gutters, door frame trim and insulation and for guards and bumpers around sharp corners and edges. Appliance manufacturers use flexible PVC and vinyl channels for refrigerator and stove door sealant, while automotive industries use many profiled channels for interior and exterior trim and bumpers. Commercial manufacturers extrude plastic channels into curtain rods, drinking straws, picture frames, partition holders, point of purchase displays, shelving and guards. Channels are often coextruded, combining hard plastic with softer plastic or rubber to create soft sealing channels with hard fixtures.

Plastic channels are produced by the plastic extrusion process. Extrusion is very well suited to the production of channels and other long plastic products because the process is continuous. The extrusion process begins with a collection of raw plastic material in a hopper suspended above a conveyance channel. The raw plastic is released from the hopper into the channel. In the channel is long shearing screw that forces the plastic down the channel. The friction caused by the turning of the shearing screw heats the plastic and causes it to become molten. Some plastic extruders also feature electronic heating elements that aid in the melting of the plastic. By the time the plastic reaches the end of the channel, it is completely plasticized. At the end of the channel is a die, which is a specialized tool designed to shape raw materials into useful products. In the case of plastic extrusion, a die is a metal plate cut with a hole through which the plastic passes. When the plastic is forced through the hole, it takes its shape, emerging on the other side of the die as newly-extruded plastic. The extruded plastic is allowed to cool and harden and is then cut and prepared for shipment or sent for additional processing.

plastic extruded channels
Plastic Channels Image Provided by Polytec Plastics, Inc.