The Preferred epoxy resins are possibly diglycidyl ethers of bisphenol A, which happens to be made by reacting bisphenol A (BPA) with epichlorohydrin (ECH). the molecular bodyweight is managed by adjusting the ratio of ECH to BPA; higher ratios create lessen molecular weights. Within the realm of composites, epoxy resins https://www.propanraya.com/kategori/cat-lantai
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