High molecular weight polyamide resin-hot melt HT-45 is a high molecular weight polyamide resin especially designed for hot melt adhesive use. It is easy to soluble in mixed organic solvent , such as aliphatic or aromatic hydrocarbons and alcohols type solvent. This resin has the characteristics of good mechanical strength, heat resistance, flexibility and long open times(good workability). This product is suitable for bonds to many difficult substrates including : PCB parts, metals, plastics, leather and fabric. Viscosity (mPa s/ 200C degree)- 2,000 ~ 4,000