MTHPA- Epoxy Curing Agents ELECTRONIC GRADE HIGH TEMPERATURE CURING
VERSATILE INTERMEDIATE CAS:11070-44-3
Chemical Name: Methyl tetrahydrophthalic anhydride(MTHPA)
Molecular formula: C9H10O3
Molecular weight: 166.17
CAS No.: 26590-20-5 11070-44-3
It has many excellent properties:
⑴. high purity
⑵. light color
⑶. low viscosity
⑷. good processing properties
⑸. low volatility
⑹. low toxicity
⑺. low solidifying point
Technical Data Sheet:
|Appearance||Slightly yellow transparent liquid, no impurity|
|Color (Pt-Co)||300# Max||200# Max|
|Density (g/cm3 , 20℃)||1.21±0.05|
|Freezing Point (℃) ||-15 Max||0 Max|
|Viscosity (Pa.s, 25℃)||0.060 Max||0.045 Max||0.040 Max|
|Anhydride content||41.5% Min|
|Volatile matter (120℃)||2.00% Max|
|Free acid||0.50% Max|
* Above are standard grades, anhydride mixtures and different
isomer structures can be offered (Mixture of 3- and 4- Isomers)
WNY-1001: suitable for white encapsulation.
WNY-1002: suitable for moulding, pultrusion, interwinding.
WNY-1008: suitable for pipelining.
MTHPA, Methyl tetrahydrophthalic anhydride, is indeed the main raw
material for high-voltage electrical apparatus (capacitors,
resistors, transformers, ignition coils, wiring parts ...)
considering its excellent insulating properties.
Storage, Packing & Transportation:
25Kg plastic drum or 220Kg iron drum.
In the storage and transportation process, it should be sealed and
avoid moisture. It should be stored in dry and ventilated
warehouse. It can be stored one year at room temperature.
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