Polyvinyl barasa (PVA) Wanwei
Polyvinyl barasa (PVA) polymer ne mara gurɓata ruwa mai narkewa, yawanci fari ko ɗan rawaya floccule, flake, granular ko foda mai ƙarfi.Ayyukansa yana tsakanin filastik da roba.Yana da kyau mannewa, fim-forming ikon, rufi, mai juriya, abrasion juriya da gas shãmaki dukiya, da dai sauransu.
Amfanin Samfura
Polyvinyl barasa (PVA) yana da fa'idar amfani.
A cikin masana'antar yadi, ana amfani da shi azaman slurry na warp, wakili na gamawa, da manne da yadudduka waɗanda ba saƙa.
A cikin masana'antar gine-gine, ana amfani da shi azaman ƙari na siminti, gyare-gyaren farantin karfe, da manne.
A cikin masana'antar sinadarai, ana amfani da ita azaman stabilizer da dispersants.
A cikin masana'antar yin takarda, ana amfani da ita azaman mannewa.
Bugu da kari, Ana iya amfani da shi a masana'antar kayan shafawa, aikin gona, masana'antar magunguna, da sauransu.
Cikakken Ma'auni
| Wanwei PVA index | ||||||||
| Suna | Dankowar jiki (mPa.s) | Matsakaicin digiri na polymerization | Digiri na Alcoholysis (mol %) | nauyin kwayoyin halitta | Ƙunƙarar ƙima (%) | Sodium acetate (%) | Ash (%) | PH |
| 04-88 (L) | 3.0-4.5 | / | 86.0-90.0 | / | 7.0 | 2.8 | 1.0 | 5-7 |
| 04-99 (L) | 3.0-4.5 | 300-450 | 98.0-100.0 | 13200-19800 | 7.0 | 2.8 | 1.0 | 5-7 |
| 05-88 (L) | 4.0-6.0 | / | 86.0-90.0 | 17600-26400 | 7.0 | 2.8 | 1.0 | 5-7 |
| 05-99 (L) | 4.0-6.0 | 450-600 | 98.0-100.0 | 19800-26400 | 7.0 | 2.8 | 1.0 | 5-7 |
| 10-92 (L) | 8.0-13.0 | / | 90.0-94.0 | / | 7.0 | 2.8 | 1.0 | 5-7 |
| 10-99 (L) | 9.0-14.0 | 900-1100 | 98.0-100.0 | 39600-48400 | 7.0 | 2.8 | 1.0 | 5-7 |
| 14-92 (L) | 13.0-18.0 | / | 90.0-94.0 | / | 7.0 | 2.8 | 1.0 | 5-7 |
| 15-99 (L) | 20.0-26.0 | 1450-1650 | 98.0-100.0 | 63800-72600 | 7.0 | 2.8 | 1.0 | 5-7 |
| 17-80 (L) | 18.0-24.0 | / | 78.0-82.0 | / | 7.0 | 2.8 | 1.0 | 5-7 |
| 17-88 (L) | 20.0-28.0 | / | 86.0-90.0 | 72600-81400 | 7.0 | 2.8 | 1.0 | 5-7 |
| 17-92 (L) | 20.0-30.0 | / | 90.0-94.0 | 72600-81400 | 7.0 | 2.8 | 1.0 | 5-7 |
| 17-95 (L) | 20.0-30.0 | / | 94.0-96.0 | 72600-81400 | 7.0 | 2.8 | 1.0 | 5-7 |
| 17-96 (L) | 20.0-30.0 | / | 94.0-98.0 | / | 7.0 | 2.8 | 1.0 | 5-7 |
| 17-97 (L) | 21.0-31.0 | 1650-1850 | 96.0-98.0 | 72600-81400 | 7.0 | 2.8 | 1.0 | 5-7 |
| 17-98 (L) | 20.0-26.0 | 1600-1800 | 97.0-99.0 | 70400-79200 | 7.0 | 2.8 | 1.0 | 5-7 |
| 17-99 (L) | 20.0-26.0 | 1680-1850 | 98.0-100.0 | 73900-82700 | 7.0 | 2.8 | 1.5 | 5-7 |
| 17-99 (H) | 20.0-26.0 | 1650-1850 | 98.5-100.0 | 72600-81400 | 9.0 | 7.0 | 3.0 | 5-7 |
| 19-99 (L) | 26.0-32.0 | 1800-2000 | 98.0-100.0 | 79200-88000 | 7.0 | 2.8 | 1.0 | 5-7 |
| 19-99 (H) | 26.0-34.0 | 1800-2000 | 98.5-100.0 | 79200-88000 | 9.0 | 7.0 | 1.5 | 5-7 |
| 20-88 (L) | 28.0-40.0 | / | 86.0-90.0 | 81400-94600 | 7.0 | 2.8 | 3.0 | 5-7 |
| 20-99 (L) | 32.0-40.0 | 2000-2200 | 98.0-100.0 | 88000-96800 | 7.0 | 2.8 | 1.5 | 5-7 |
| 20-99 (H) | 34.0-42.0 | 2000-2300 | 98.5-100.0 | 88000-101200 | 9.0 | 7.0 | 1.0 | 5-7 |
| 22-99 (L) | 40.0-48.0 | 2200-2400 | 98.0-100.0 | 96800-105600 | 7.0 | 2.8 | 1.5 | 5-7 |
| 23-99 (H) | 42.0-55.0 | 2300-2600 | 98.5-100.0 | 101200-114400 | 9.0 | 7.0 | 3.0 | 5-7 |
| 24-88 (L) | 40.0-55.0 | / | 86.0-90.0 | 101200-11000 | 7.0 | 2.8 | 1.5 | 5-7 |
| 24-99 (L) | 48.0-60.0 | 2400-2600 | 98.0-100.0 | 105600-114400 | 7.0 | 2.8 | 1.5 | 5-7 |
| 26-99 (L) | 60.0-75.0 | 2600-2800 | 98.0-100.0 | 114400-123200 | 7.0 | 2.8 | 3.0 | 5-7 |
| 28-99 (L) | 75.0-90.0 | 2800-3000 | 98.0-100.0 | 123200-132000 | 7.0 | 2.8 | 1.5 | 5-7 |
