Poly(vinyl alcohol) me CAS 9002-89-5
ʻO ka polyvinyl alcohol kahi polymer synthetic hiki ke hoʻoheheʻe ʻia i ka wai. Poly (vinyl alcohol) hiki ke lilo i mea hoʻopili; lubricant; mea hoʻoheheʻe; mea hoʻopaʻapaʻa.
ITEM
| STANDARD
| HUA
|
Ka nana aku | Pauda paʻa keʻokeʻo | Kupono |
ʻO ka viscosity | 21.0~33.0 | 28 |
Waiwai PH | 5.0~8.0 | 6.7 |
Degere o hydrolysis% | 85~89 | 89 |
Nalo ma ka maloo% | ≤5.0 | Kupono |
Ke ahi koena% | ≤1.0 | Kupono |
wai haumia ole% | ≤0.1 | Kupono |
Methanol a me ka methyl acetate% | ≤1.0 | Kupono |
Waiwai ʻakika% | ≤3.0 | Kupono |
Metala kaumaha | ≤10ppm | Kupono |
Hoʻāʻo% | 85.0%~115.0% | Kupono |
No ka hoʻohana ʻana i ka hoʻomākaukau lāʻau lapaʻau a i ʻole ka hoʻomākaukau ʻana:
Hoʻohana nui ʻia ka waiʻona polyvinyl i nā hoʻomākaukau topical a me ophthalmic;
Hiki ke hoʻohana ʻia ka waiʻona polyvinyl ma ke ʻano he stabilizer i nā emulsions.
Hoʻohana pū ʻia ka waiʻona polyvinyl ma ke ʻano he tackifier i nā hoʻomākaukau viscous e like me nā huahana ophthalmic.
Hoʻohana ʻia ka waiʻona polyvinyl no ka lubrication i nā waimaka artificial a me nā hoʻonā lens contact, a hoʻohana ʻia hoʻi i ka hoʻomākaukau hoʻokuʻu waha a me nā pā transdermal.
Hiki ke hui pū ʻia ka waiʻona polyvinyl me ka solution glutaraldehyde e hana i nā microspheres.
25kg / pahu a i ʻole koi o nā mea kūʻai aku.
Poly(Vinyl Alcohol) Me CAS 9002-89-5
Poly(Vinyl Alcohol) Me CAS 9002-89-5