The Most popular epoxy resins are either diglycidyl ethers of bisphenol A, that's produced by reacting bisphenol A (BPA) with epichlorohydrin (ECH). the molecular weight is controlled by altering the ratio of ECH to BPA; substantial ratios make lower molecular weights. Basic safety Details Epoxies have been through substantial screening https://www.propanraya.com/kategori/cat-lantai
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