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Tough skinned. (Plastics Machinery/Processing).

Liquid Control Decker launched its high-pressure impinge mix C-Spray reaction injection molding (RIM) gun and metering/tempering unit at NPE 2003. Designed to spray an elastomeric coating into molds to form a tough skin backed with flexible foam, the C-Spray System is said to enable the replacement of vinyl used in automobile seats, instrument panels, and similar products. The sprayed-on polyurethane skin replaces the more expensive vinyl vacuum-forming or upholstering processes associated with these types of parts. An additional benefit, says the company, is that an all-polyurethane part is easier to recycle after its useful life.

The C-Spray System features an impinge mix gun that is capable of circulating two component chemicals through the gun impingement rod and back to the supply reservoirs when not spraying. This ensures that pressures do not fluctuate, and lead/lag is eliminated. The system's continuous-flow, precision metering pumps can create impingement pressures up to 3000 psi (207 bar) and combined flow rates from 12 to 40 cc/sec. Heat exchangers between the metering pumps and spray head allow impingement temperatures to be stabilized at 150[degrees]F (65[degrees]C).

The skin applicator, which was on display at NPE 2003, can be programmed by use of a keypad and graphic display. Flow meters or a wet calibration station can be used to control ratio and flow rate, and the C-Spray can be combined with a multi-axis robot to automate the spray process.

Liquid Control Decker, 3030 SW 42nd Ave., Palm City, FL 34990; (772) 283-4004; www.liquidcontrol.com
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Title Annotation:Liquid Control Decker launched its high-pressure impinge mix C-Spray reaction injection molding (RIM) gun
Comment:Tough skinned. (Plastics Machinery/Processing).(Liquid Control Decker launched its high-pressure impinge mix C-Spray reaction injection molding (RIM) gun)
Publication:Plastics Engineering
Article Type:Brief Article
Geographic Code:1USA
Date:Aug 1, 2003
Words:254
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