Release agent

Our release agents for polyurethane foam ensure the highest part quality


Polyurethane foam is used in a vast number of different applications, processes and finished products, including applications such as;

·         Integral skin

·         PU spray skin

·         High resiliency foam for seating, acoustical, carpet and insulation back foaming

·         Visco-elastic Polyurethane products

·         Rigid foams for…

o    Energy absorbing applications

o    Insulation and refrigeration panels

o    Decorative faux wood and moldings

·         Dual density and density shoe soles

·         Isocyanate bound products

·         Cast elastomers

·         Microcellular urethane applications such as jounce bumpers

 

Mold Release Agents for Polyurethane Foam

Our mold release agents have provided a competitive advantage to the largest and smallest polyurethane foam molding operations alike with both water- and solvent-based release agent solutions that can maximize productivity while meeting the most demanding specifications and operating conditions. Gre chem release agents for polyurethane foam provide:

Excellent part release – We understand that the parts must not just come out of the mold, but must de-mold easily and without defects. Gre chem formulates our products to strike the perfect balance between release ease and part quality – no matter what your molding application.

Optimal surface finish quality – Let us help you meet your customers’ requirements. We can customize our mold release agents to provide a variety of surface finishes. Do you need an open-cell surface? No problem. Do you need your surface to be dry, without a tacky, greasy or sticky feeling? We can help with technologies developed to provide optimal release ease while eliminating that sticky, greasy or tacky feeling you get from conventional mold release agents.

Compatibility with secondary operations – Are you gluing or painting your parts after molding? Gre chem products are compatible with these types of secondary operations. In some cases, by switching to our products, we can help you eliminate a post-mold cleaning or preparation step before your secondary operation.

Lower scrap rates – By using our release agents we can help you improve your release ease and part surface finish, which will lead to lower scrap rates and re-work.

Cleaner molds – Our mold release agents are designed to produce as little build-up in the mold as possible. We make sure to balance our products’ slip and barrier properties to prevent part sticking and urethane build-up in the molds.

Less downtime – Because our mold release agents create less build-up, you won’t need to clean your mold as often. A properly designed release agent, combined with good technical support to ensure proper application, means less build-up, easier to remove residues, and ultimately less down time.

Higher quality parts – We customize our products to your specific requirements. Lower build-up on tooling and less sticky, greasy residues makes for higher quality parts and satisfied customers.

Water-based, No/Low VOC emissions, Cleaner Safer Working Environments – Are you in a region that has strict VOC regulations and air quality permitting? Do you need products that are non-flammable and safer for workers? Gre chem has developed a portfolio of products that are water-based, low VOC or even VOC-free. Not only do these products provide you with a solution to lowering your VOC and making your work place safer, they also provide optimal performance – just like the solvent-based products you’re used to. Tin-free formulations where required – Do your customers or manufacturing regions require your processing chemicals to be tin free? We have tin free formulations that have the same performance as our tin containing formulations that allow you to meet regulatory requirements without sacrificing performance, quality, and appearance.

Mold Cleaners 3301 for Polyurethane Foam

Gre chem offers a complete line of Mold Cleaners 3301 designed to address the needs of virtually any type of polyurethane manufacturing process. Gre chem® Mold Cleaners 3301 are formulated to powerfully but safely attack resinous mold build-up. These highly engineered cleaners are designed to remove waxes, silicones, contaminants, polyurethane and polyurea residues from both pre-production mold preparation and on-line molding applications. Mold Cleaners 3301 can be supplied as a liquid or a gel depending on your process. By using our Mold Cleaners 3301, some customers have eliminated the need for dry ice blasting which can be both expensive and noisy.

Mold Sealers and Preparation Pastes for Polyurethane Foam

Gre chem® Sealers and Preparation Pastes provide a durable barrier to prevent mechanical and chemical bonding during molding operations. These products are an excellent solution in preparing new tooling and provide an effective base for enhancing release for difficult-to-release mold surfaces. Gre chem® mold sealers and pastes have been formulated to work most efficiently in a system approach in combination with Gre chem® release agents in pre-production or on-line production touch-up applications.

Spray Foam Insulation Release for Polyurethane Foam

Gre chem has developed a unique Insulation Release product that is a blend of specialized parting agents, specifically designed to prevent spray polyurethane foam insulation from adhering to most surfaces where the product is applied. Our Insulation Release acts as an effective barrier coat to keep overspray of polyurethane foam insulation from adhering to items such as spray equipment, tub & shower stalls and other non-porous surfaces. Gre chem’s Insulation Release was developed to increase the efficiency of polyurethane spray foam operations but should not be applied to personal protective equipment. 

Spray Foam Insulation Remover for Polyurethane Foam

Gre chem has developed an Insulation Remover that works as a powerful stripping agent that attacks and removes insulation foam. Our Insulation Remover effectively removes urethane resins from metal equipment surfaces. Insulation Remover is recommended for bare metal surfaces and should not be used on polymeric (plastic) or painted surfaces unless the surface has been carefully checked for resistance. 

Low Pressure Mixing Head Flush Solvents for Polyurethane Foam

Gre chem® head flush solutions can be used to effectively clean out the mixing head chamber in certain low pressure processing applications. Our head flush solutions are the most powerful, easy-to-handle resin removers available for polyurethane systems. Long cleaning down times between successive shots can be eliminated with these highly efficient, fast drying solvents. For customers using different colored PU systems through the same mix head, Gre chem’s head flushing products can help minimize scrap between color changes. In addition, these head flushing products offer a safe, more environmentally friendly solution to standard solvents.

Anti-Squeak Products for Polyurethane Foam

Gre chem offers anti-squeak products, which are water-based and are applied to eliminate squeak where rubbing could cause noises that might be heard by the end user. Gre chem has proven solutions to help you meet your customers’ requirements for noise reduction.

 

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