The Preferred epoxy resins are either diglycidyl ethers of bisphenol A, that is produced by reacting bisphenol A (BPA) with epichlorohydrin (ECH). the molecular weight is managed by modifying the ratio of ECH to BPA; superior ratios produce decreased molecular weights. Protection Facts Epoxies have undergone substantial testing for health https://www.propanraya.com/kategori/cat-lantai
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