中文字幕乱码亚洲∧ⅴ日本_97在线视频人妻无码182_久久人人97超碰CAOPOREN_在线 综合 成人

Principle: it is solid at ambient temperature, melted to viscous liquid after heated up to a certain temperature and cooled to solid again at ambient temperature. It has strong bonding effect.
Characteristics:
（1）Non-toxic and high reliability;
（2）Good chemical & physical uniformity, bonding strength and flexibility.
（3）Simple bonding process and less waste;
（4）No mixture problem and adhesives can achieve the best physical property.
（5）No organic solvent used and production site won't be polluted;
（6）Environment-friendly material and its waste can be naturally decomposed.

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