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Converting to polymeric diisocyanate (pMDI) resins for engineered wood composite production is both challenging and rewarding. The superior adhesive properties of pMDI result in strong chemical and mechanical bonds, however without the use of a release agent pMDI also bonds the fibers and mat to the press resulting in downtime, costly cleaning and production losses. Numerous factors affect the selection of a suitable release agent including: press type (continuous or multi-opening), board recipe including resin content, mat thickness, press temperatures, and wood species.
Guardian Chemicals Inc. has developed and patented a series of highly innovative and effective release agents commercially known under the PRESSGUARD tradename. These technologies have been successfully applied to the production of a wide variety of engineered wood products. PRESSGUARD release agents are specifically designed to improve press efficiency by providing exceptional release, eliminating sticking, reducing scrap and defect rates, improving surface quality and resolving masking and build-up issues.
RELEASE AGENT MEMORY
PRESSGUARD products differ from traditional release agents as they are designed to not only provide sufficient release, but to condition the press surfaces by forming a nano-molecular film. As the press is conditioned and the film is formed, release agent consumption is reduced even further to levels only required to maintain the film. This effect is known as memory. This memory sets PRESSGUARD apart from traditional release agent chemistries, and results in extremely economical costs per MSF during production.
PRESSGUARD X100 is designed for use in continuous presses.
PRESSGUARD X200 is designed for use in multi-opening presses.
CONTINUOUS AND MULTI-OPENING (DAY-LIGHT) PRESS PRODUCTS
Continuous and multi-opening presses differ in the method of release agent application and consumption. As such, Guardian Chemicals has specifically developed PRESSGUARD products tailored to the requirements of each press type. Due to the memory effect, all press types benefit from reduced application rates resulting in a low cost per MSF.
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Product Finder
Looking for a specific product? Enter it in the search bar here, or get in touch with our team if you have any questions.
Product Finder
Product Finder
Looking for a specific product? Enter it in the search bar here, or get in touch with our team if you have any questions.
Product Finder
Oil & Gas
Building & Facility Management
Manufacturing