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methyl tetra hydro phthalic anhydride mthpa-0

Anhydride Hardener For GFRP

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Methyl tetra-Hydro Phthalic Anhydride (MTHPA)

CAS No.: 11070-44-3

  • Overview
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Performance Characteristics:       

High purity, light color: can be directly made or made into a variety of color epoxy resin products. Low viscosity: casting, sealing, impregnation process is good, casting can be added a large number of filler, so that the curing of good performance.

Stable performance, low freezing point, long application period, can be stored for a long time at room temperature.

Low volatility; Low toxicity; Heating loss is small, toxicity is  only 1/20 to 1/40 of amine curing agent.

Good intersolubility: this product can be intersoluble with all epoxy resins, with low mixed viscosity and low shrinkage of the system when heated and cured.This product is an essential new fine chemical product for electronic industry and electromechanical industry. Widely used in potting, casting, wrapping, laminating, molding, bonding, winding and other processes.

 

Appearance

Light yellow transparent liquid, no mechanical impurities

Color(Apha)

≤150

Crystallization point,℃

<0

Viscosity (25℃,mPa.s)

20-50

Acid value,mgKOH/g

660-685

Anhydride Group  Content,%,

 

≥41.5

Heating loss,%,120℃

≤2.00

Free Acid(%)

≤0.50

Users can choose epoxy resin, accelerator, filler, toughening agent, active diluent and other varieties and their dosage according to the product performance and process requirements.

Storage and packaging

 

Stored in a cool and dry place with ventilation and can be preserved for 12 months.

Avoid direct contact with water or strong acid and alkali.

Packaging:220kg/ iron drum or 1000kg/IBC tote.

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