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| Product Name: |
Poly vinyl Alcohol(POVAL), PVA
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| Supply Ability: |
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| Related proudcts |
chemicals, pva, poly vinyl alcohol, |
| Specifications |
power 1799, 2099, 2488, 1788, 0588 |
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1. Name: Poly vinyl Alcohol(POVAL), PVA
2. Molecular formula: [C2H4O]n
3. Molecular weight: 44.05
4. Physical Property: Density: relative density of polyvinyl alcohol (25 ℃ / 4 ℃) 1.27 ~ 1.31 (solid), 1.02 (10% solution.
Heating performance: it will be discolored slowly heated to above 100 ℃in the air, embrittlement. Heated to 160 ~ 170 ℃ etherification dehydration, loss of solubility, heated to 200 ℃ begin to decompose. More than 250 ℃ into the polymer containing conjugated double bonds.
5. Chemical properties: Soluble in water, heated to completely dissolve the general need to 65 ~ 75 ℃. Not dissolve in gasoline, kerosene, vegetable oil, benzene, toluene, dichloroethane, carbon tetrachloride, acetone, ethyl acetate, methanol, ethylene glycol, etc., slightly soluble in DMSO. 120 ~ l50 ℃ soluble glycerol, however, a jelly when cold to room temperature.
6. Specification: power 1799, 2099, 2488, 1788, 0588
7. Appearance: White powder
sales5(at)ldlchem dot com |
| Company: |
Nanjing Lidalong Chemicals Co.,Ltd
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| Contact: |
Ms. jenny wu |
| Address: |
Room 14051 No.163, Fengfu Road, Baixia |
| Postcode: |
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| Tel: |
+86-025-84204401 |
| Fax: |
+86-025-84204342 |
| E-mail: |
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