助劑產(chǎn)品及廠家
1、提高型芯表面的高溫耐受能力及強度，增強覆膜砂的耐高溫性和耐磨性，提高覆膜砂的強度和硬度，減少砂芯產(chǎn)生裂紋的概率，并提高砂芯的表面質(zhì)量。2、減少樹脂加入量，提升排氣性能，進而提高產(chǎn)品的質(zhì)量和生產(chǎn)效率。3、提高殼型韌性，耐磨耐壓，防止破裂和變形
更新時間:2025-09-07
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