Factory high quality methyl tetrahydrophthalic anhydride MTHPA cas 19438-64-3
MTHPA is Light yellow transparent liquid. This product is synthesized from C5 by distinctive methodology. It has many excellent properties: high purity, light color, low viscosity, good processing properties, low volatility, low toxicity, low solidifying point, durable at room temperature and so on.
The product is a new material for electronical & mechanical products.As the curing agent, it is widely used in casting, sealing, winding, and bonding technology.
The product has been packet in 220kg/drum, 25kg/drum
Store hermetically in a shady and ventilating place. Its shelf life is 12 months. It can be still used if up to standard through retest after the specified date.
Avoid high temperature and sun-scorched during transportation.
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Item
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Index
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Appearance
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Light yellow liquid
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Colour(Fe-Co method)
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≤5
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viscosity 25℃, mpa.s
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≤45
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Content of acid anhydride %
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≥40.5
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Acid value mgKOH/g
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660-685
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Volatile content %
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≤1.0
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Free Acid %
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≤1.0
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* In addition：The company could research and develop the new products according to the special demand of our clients．
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