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TRIGON Chemie Datasheet

MTHPA-EG

Methyltetrahydrophthalic anhydride
CAS-no.:
11070-44-3
EC no.:
234-290-7
Specification:
Appearance:clear, colourless to light yellow liquid
Purity (%):min. 99.0
Colour (Hazen):max. 150
Free acid (%):max. 1.0
Characteristic properties:
Refractive index at 20°C:1.4959 - 1.4967
Specific gravity at 20°C (g/ml):1.199
Viscosity at 25°C (cP):50 - 80
Applications:

MTHPA-EG is a low cost versatile liquid anhydride curing agent for epoxy resins. This product is

specially formulated to remain liquid during winter season (typical pour point -20°C to -15°C).

It provides unique characteristics to epoxy cured materials such as high voltage and temperature

resistance. It finds use in the coating of wind mill blades and in reinforced plastics, filament

winding products, construction and sport equipment, laminated sheets as well as in the production

of electrical parts such as capacitors, resistors, transformers, ignition coils.

Specific application include adhesive potting, casting, encapsulation, filament winding, pultrusion

and vacuum impregnation.

Typical formulation:

Epoxy: . . . . . . . . . . . Bis-A type, epoxy equivalent 190

Cure temperature: . . 120°C

Mix composition:

epoxy equivalent / anhydride = 1

epoxy: . . . . . . . . . . . . . . . . . . . = 100 phr

MTHPA-EG: . . . . . . . . . . . . . . . . = 87 phr

accelerator: . . . . . . . . . . . . . . . . = 1 phr

Gel Time (minutes) in Gardco Stabletemp. GT-STHP-110:

BDMA . . . . 16

MI . . . . . . 13

BTEAC . . . 19

AC-PI . . . . 14

Packaging:
220 kg metall drums,1000 kg IBCs,1200 kg IBCs
HS Taric-no.:
2917 20 00
UN-no.:
-- -
Redaktion:
05/2016 PR

Suggestions for processing and use of our products correspond to our best knowledge and are always given without obligation. There is no liability for incorrect formulations and mixing recommendations. Each processor of our products is liable for compliance with all legal regulations, including those in the field of patent law.

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