万华BL275MS封闭型潜伏型固化剂 异氰酸酯HDI单组分烘烤漆耐候不黄变汽车金属五金烤漆交联剂
万华HTBL-275MS脂肪族封闭型潜伏型固化剂 为 3,5 - 二甲基吡唑封闭 HDI ,固含 75%,常温储存稳定,解封温度更低,可降低烘烤温度约 10℃。漆膜耐候不黄变、保光柔韧、耐化学品,适配汽车原厂漆、卷钢、金属烤漆、食品罐头单组分烘烤涂料。
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