A halogen element, f, is major raw materials deriving fluorine compound, and because of low melting point, that is widely used in steelmaking, nonferrous metal smelting, cement, glass and ceramics.
萤石中含有卤族元素氟，是制取含氟化合物的主要原料，又由于熔点低而广泛用于炼钢、有色金属冶炼、水泥、玻璃、陶瓷。
The application of the low softening point 204 resin in the bead filler compound of BTR tire was investigated.
试验研究低软化点2 0 4 树脂在全钢子午线轮胎三角胶中的应用。
The good solvent is high boiling point ester compound and has the advantages of no bad smell, no toxicity, no pollution, high recovery rate, low cost, etc.
本发明采用 高沸点酯类化合物作为良溶剂，具有无难闻气味、无毒性、无污染、回收率 高、成本低廉等优点。
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