Methyl tetrahydrophthalic anhydride (MTHPA, MeTHPA) is a new type of liquid organic acid anhydride epoxy resin curing agent with excellent performance. Because the anhydride curing agent has better heat resistance and chemical stability than the amine curing agent, and can maintain excellent physical and electrical properties at higher temperatures, in recent years, it has been insulated with the motor, electronics and electrical industries. The continuous improvement of structural reliability requirements has led to the rapid development of the application of such curing agents.

Methyl tetrahydrophthalic anhydride (MTHPA, MeTHPA) is a high performance product of anhydride curing agent. The characteristics of methyl tetrahydrophthalic anhydride reactioninclude high purity, light color, low viscosity, low volatility, low toxicity, low heating loss, stable performance, long pot life, and freezing point. Long-term storage at low and room temperature.

This mthpa anhydrideis widely used in epoxy potting materials, casting materials, bonding, lamination, impregnation, molding and winding processes, as well as insulation bushings, oil pipelines, fishing machinery and so on. For example: casting and filling electronic components, large dry-type transformers, high-voltage switches, capacitors, current and voltage transformers, large and micro motors, line output transformers, large resin insulators, etc. It is understood that the epoxy resin curing agent used in the manufacture of wind power blades and hubs is mainly an acid anhydride curing agent such as methyl tetrahydrophthalic anhydride (MTHPA, MeTHPA) or methyl hexahydrophthalic anhydride.

As a professional epoxy hardener manufacturer, Jiaxing Nanyang Wanshixing Chemical Co. Ltd covers an area of 4 acres with more than 60 employees. We have four advanced production lines and our annual production capacity is 30000 tons, is the largest manufacturer of MTHPA products in China. We sincerely invite and welcome people from all around the world to invest and create more values together.


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