Q
how much mek to polyester resin
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The amount of Methyl Ethyl Ketone Peroxide (MEKP), a catalyst for polyester resin, typically ranges between 1% and 2% by weight of the resin. This depends on factors such as ambient temperature, desired cure time, and the specific application. Lower temperatures or thicker casts may require slightly more MEKP, up to 2.5%, to achieve a proper cure. Conversely, in warmer conditions or for thinner applications, reducing the MEKP amount to as low as 0.5% could be advisable to prevent too rapid curing, which can lead to issues like excessive heat buildup and shortened working time. Always refer to the resin manufacturer's guidelines for the optimal ratio to ensure the integrity of the finished product.
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