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|Color (Pt-Co):||200# Max||Density (g/cm3 , 20℃):||1.21±0.05|
|Viscosity (Pa.s, 25℃):||0.045 Max||Anhydride Content:||41.5% Min|
Methyl tetrahydrophthalic anhydride-MTHPA ACID ANHYDRIDE HARDENER Mixture of 3- and 4- Isomers CAS:26590-20-5
Chemical Name: Methyl tetrahydrophthalic anhydride(MTHPA)
Molecular formula: C9H10O3
Molecular weight: 166.17
CAS No.: 26590-20-5 11070-44-3
1. high purity and light Color
2. low viscosity
3. Stable property
4. low volatility
5. good solubility
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, interwining.
WNY-1008: suitable for pipelining.
MTHPA, Methyl tetrahydrophthalic anhydride, is a curing agent for Epoxy resins; used in epoxy paints and adhesives; MTHPA is also used in reinforced plastic application, for filament wound products (glass fiber reinforced plastics, pipelines for oilfield, poles and sport goods), printed circuit boards, laminated boards, switchgears.
Storage, Packing & Transportation:
220kg iron drum or 1150kg IBC or as per customer’s request.
This product shall be airtight, out of the sun, moisture-proof and away from het .The storage period commonly is one year.
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