Methyl Tetrahydrophthalic Anhydride (MTHPA)
|
Color (platinum-cobalt)
|
≤50#
|
≤150#
|
≤30#
|
≤200#
|
≤150#
|
≤200#
|
|
Crystallization point (℃)
|
≤-15
|
≤-15
|
≤-15
|
≤-15
|
≤-15
|
≤-15
|
|
mgKOH/g
Acid value mgKOH/g
|
660.0-680.0
|
660.0-680.0
|
660.0-680.0
|
660.0-680.0
|
660.0-680.0
|
660.0-680.0
|
|
Anhydride content (%)
|
≥41.00
|
≥41.00
|
≥41.00
|
≥41.00
|
≥41.00
|
≥41.00
|
|
Viscosity mpa.s (25℃)
|
30～50
|
30～50
|
30～40
|
30～60
|
30～50
|
40～70
|
|
Density g/cm³ (20℃)
|
1.210±0.05
|
1.210±0.05
|
1.210±0.05
|
1.210±0.05
|
1.210±0.05
|
1.210±0.05
|
|
Free acid %
|
≤0.3
|
≤0.3
|
≤0.3
|
≤0.3
|
≤0.3
|
≤0.3
|
|
Heating loss % 125℃
|
<1.0
|
<1.0
|
<1.0
|
<1.0
|
<1.0
|
<1.0
|
|
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