phenol resin sand 中文意思是什麼
phenol resin sand
解釋
酚醛樹脂砂-
It is showed that toughness of phenol resin after modified has been increased, tensile strength and transverse strength of precoated sand and collapsibility of molding sand, which have been improved obviously
改性后的酚醛樹脂韌性增強,覆膜砂抗拉強度和抗彎強度明顯提高,型砂的潰散性得到了改善。 -
Properties of modified phenol resin, precoated sand preparation and property test have been narrated
摘要敘述了改性酚醛樹脂的性能、及膜砂制備配方及其性能測定。
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