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Address: |
West Heshi, Zhitang Town, Changshu City, Jiangsu Province, China
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| Contact: |
Su Huizhong ,
Chen Jianyun |
| Postcode: |
215538 |
| Tel: |
+86-512-52541419,
52548319 |
| Fax: |
+86-512-52541166 |
| Mobile: |
(0)13801573302
(0)13506232568 |
| E-mail: |
lb88@hi2000.com |
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Pyromellitic Dianhydride (PMDA) |
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Pyromellitic Dianhydride (PMDA) |
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Molecualr formula: C10H2O6 |
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Structural formula :
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CAS: 89-32-7 |
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4.1 Quality index: |
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Item |
Value |
Appearance |
white or light yellow crystal granule |
M.P. ºC≥ |
286 |
Purity %≥ |
99 |
Neutralization equivalent |
54.5±0.2 |
Grain size≤ |
1mm(80% bigger than 0.08mm) |
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4.2 Usage: |
4.2.1 Used as material for polyamide, polyimide film, polyimide resin, high
temperature-resistant electrical insulating enamel as well as high
temperature-resistant coatings;
4.2.2 Utilized as the curing agent of epoxy resin, the stabilizer of bakelite
and the auxiliary agent of powder coating. |
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4.3 Cautions: |
4.3.1 Used in well airy place;
4.3.2 Handled with safety supplies such as rubber gloves, goggles and
respirator;
4.3.3 Kept away from sources of ignition, water and moisture. |
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4.4 Packing & Storage & Transportation: |
4.4.1 Net weight 20kg in aluminum foil bags filled with nitrogen gas, and
then wrapped with paper bags; or
4.4.2 Net weight 120kg in aluminum foil bags filled with nitrogen gas, and
then wrapped in cardboard drum; or according to customers’
requirements.
4.4.3 Stored in dry and airy places;
4.4.4 Loaded and unloaded gently to avoid damaging the package;
4.4.5 Stored and transported by laws and regulations about hazardous
chemicals. |
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