Mold Cleaners for Polyurethane Molding
Chem-Trend® Mold Cleaners are designed to address the needs of virtually any type of polyurethane manufacturing process.
Mold Sealers and Preparation Pastes for Polyurethane Molding
Providing a durable barrier to prevent mechanical and chemical bonding during molding operations.
Low-Pressure Mixing Head Flush Solutions for Polyurethane Molding
Used to effectively clean out the mixing head chamber in certain low-pressure processing applications.
Anti-Squeak/Noise Reduction (NRT) Products for Polyurethane Molding
Our anti-squeak products are water-based. They’re applied to eliminate squeak wherever rubbing could cause noises that might be heard by the end user.
Innovative Process Solutions for the Concrete and Stone Veneer Industry
At the core of our business are industry-standard mold release agents, download our Concrete and Stone products brochure to see how we solve de-molding problems in your industry.
Processing Aids for Integral Skin Molding
Chem-Trend’s process aids for integral skin molding enable processors to achieve better bottom-line benefits. Learn more about our value-adding solutions now.
Delivering customized solutions for the toughest polyurethane molding challenges
For 50 years, Chem-Trend’s reputation has been built on a foundation of providing value and service. Download our Polyurethane product brochure to learn more about how we can solve your mold release problems.
Sure-Footed at all Molding Steps
Chem-Trend provides customized technologies to effectively optimize productivity for your shoe sole manufacturing processes.
Innovative Process Solutions for Shoe Sole Manufacturers
Find out how our mold release agents and ancillary process aids can help the manufacturing of polyurethane shoe soles. Download our brochure to find out more.
Polyurethanes Technical Conference
By using a piece of cardboard a spray pattern may be tested. First make sure the spray equipment nozzle and air cap are clean and unrestricted. Hold the spray gun a distance from the cardboard that is a normal distance from the spray gun to the molding surface. Spray the mold release onto the cardboard in a sideways sweeping motion. The pattern should be solid yet dry quickly. Any splotches will show areas that may be under sprayed or unevenly applied. Liquid running down the surface means the liquid is being applied too heavily.
When applying a release agent with manual spray it is important to establish a baseline throughput to maintain a consistent spray. Required throughput amounts will vary based on the tooling grain, part complexity, and the speed of the line. When a proper spray amount is determined the throughput in grams or milliliters per second should be recorded. This should be checked each shift to make sure there is consistency between operators. This information will help to train new operators to correctly apply the release agent. Consistent fluid and atomizing air pressures are also a must for repeatable application.
Paste waxes provide an excellent barrier for starting up on clean molds. These materials provide protection in scratched, cold, or high pressure areas, and provide a durable layer that will help to minimize complications due to defects on the metal surface. Mold sealers improve the performance of the release agent by creating an optimal surface to release the parts from. Sealers are applied only to freshly cleaned tools but the benefit lasts throughout the production and cleaning cycle.