Kuraray Polyvinyl Alcohol (PVA or POVAL) is a unique functional resin pioneered by Kuraray Co. Ltd, Japan. Kuraray POVAL resins have versatile physical and chemical properties and are used in diverse applications across industries.
Former Grade NamePVA - CST
SPECIFICATION
Viscosity mPa.s (1)24 ~ 30
Hydrolysis mol %95.5 ~ 96.6
Volatile %max. (2)5.0
Asc %max. (3)0.4
pH5-7
Former Grade NamePVA - 613
Viscosity mPa.s (1)14.5 ~ 18.5
Hydrolysis mol %92.5 ~ 94.5
Former Grade NamePVA - 117K
Viscosity mPa.s (1)25 ~ 31
Hydrolysis mol %98 ~ 99
Former Grade NamePVA - 205MB
Viscosity mPa.s (1)4.6 ~ 5.4
Hydrolysis mol %86.5 ~ 89
Former Grade NamePVA - 217MB
Viscosity mPa.s (1)20.5 ~ 24.5
Hydrolysis mol %87 ~ 89
Former Grade NamePVA - 224MB
Viscosity mPa.s (1)40 ~ 48
Former Grade NamePVA - 225
Viscosity mPa.s (1)45 ~ 52
Hydrolysis mol %96.5 ~ 89.0
1. EXCEVAL™ is FDA & BfR certified enhanced Polyvinyl Alcohol used as a barrier agent in grease proof paper.
2. EXCEVAL™ is one of the best barrier agents among "non - fluoro chemical" ones.
3. EXCEVAL™ enhances performance of "fluoro chemical" when combined
Viscosity 4% aq solution (mPa.s)12.0 ~ 16.0
DH (mol.- %)99.0 ~ 99.4
Max. Ash (%)0.4
Max. Volatile (%)5.0
Viscosity 4% aq solution (mPa.s)23.0 ~ 30.0
DH (mol.- %)97.5 ~ 99.0
Viscosity 4% aq solution (mPa.s)3.5 ~ 4.5
DH (mol.- %)98.0 ~ 99.0
DH (mol.- %)92.0 ~ 94.0
Viscosity (4wt% aqueous, cP)28.5 ~ 32.5
Hydrolysis99.5
pH5.0 ~ 7.0
Ash (wt%, as sodium oxide)<0.35
Volatiles (wt%)<5.0
Residual Methanol (wt%)<1.0
TALK TO OUR TEAM
