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POVAL 28-98
Fully Hydrolyzed and Specialty Grades
| Grade [ KURARAY POVAL] | Specifications |
|||||
|---|---|---|---|---|---|---|
| Hydrolyzed | Type | Viscosity1) [mPa•s] | Hydrolysis [mol.-%] | Volatile Max [%] | Ash Max2) [%] | pH |
| Fully | 5-98 | 5.2 - 6.0 | 98.0 - 99.0 | 5.0 | 0.6 | 5.0 - 7.0 |
| 28-98 | 25.0 - 31.0 | 98.0 - 99.0 | 5.0 | 0.4 | 5.0 - 7.0 | |
| Polysizer-173 | 25.0 - 31.0 | 98.0 - 99.0 | 5.0 | 0.4 | 5.0 - 7.0 | |
| Note: | ||||||
| 1) Viscosity is measured at 4% aqueous solution at 20°C determined by Brookfield synchronized-motor rotary type. | ||||||
| 2) Ash content is measured at dry basis as Na2O. synchronized-motor rotary type. | ||||||
Partially Hydrolyzed Grades
| Grade [ KURARAY POVAL] | Specifications |
|||||
|---|---|---|---|---|---|---|
| Standard Type | Anti-foaming/Defoaming type | Viscosity1) [mPa.s] | Hydrolysis (mol %) | Volatile Max [%] | Ash Max2) [%] | pH |
| 3-88 | | 3.2 - 3.6 | 87.0 - 89.0 | 5.0 | 0.4 | 5.0 - 7.0 |
| 5-88 | 5-88MB | 4.6 - 5.4 | 86.5 - 89.0 | 5.0 | 0.4 | 5.0 - 7.0 |
| 22-88 | | 20.5 - 24.5 | 87.0 - 89.0 | 5.0 | 0.4 | 5.0 - 7.0 |
| 30-88 | 30-88DB | 27.0 - 33.0 | 86.5 - 89.0 | 5.0 | 0.4 | 5.0 - 7.0 |
| 49-88 | | 45.0 - 52.0 | 86.5 - 89.0 | 5.0 | 0.4 | 5.0 - 7.0 |
| 95-88 | | 80.0- 110.0 | 87.0 - 89.0 | 5.0 | 0.4 | 5.0 - 7.0 |
| 27-96 | | 24.0 - 30.0 | 95.5 - 96.5 | 5.0 | 0.4 | 5.0 - 7.0 |
| Note: | ||||||
| 1) Viscosity is measured at 4% aqueous solution at 20°C determined by Brookfield synchronized-motor rotary type. | ||||||
| 2) Ash content is measured at dry basis as Na2O. synchronized-motor rotary type. | ||||||
- Description
- Additional information
- Reviews (0)
Description
WHAT IS IT
Kuraray Poval™ is the brand name of Kuraray’s globally produced polyvinyl alcohol (PVOH). Kuraray Poval™ features an extremely wide-ranging field of applications.
WHY USE IT
- The main uses are in the paper, adhesive, textile and construction industries, as well as in ceramics, packaging and electronics.
- The physical and chemical properties make PVOH very versatile.
- It features water-solubility, excellent film forming characteristics, high tensile strength and elasticity, as well as resistance against organic solvents and dispersing power.
Polyvinyl Alcohol (PVOH) Characteristic Data*
Additional information
| Industry | Construction |
|---|
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WHAT IS IT
Kuraray Poval™ is the brand name of Kuraray’s globally produced polyvinyl alcohol (PVOH). Kuraray Poval™ features an extremely wide-ranging field of applications.
WHY USE IT
- The main uses are in the paper, adhesive, textile and construction industries, as well as in ceramics, packaging and electronics.
- The physical and chemical properties make PVOH very versatile.
- It features water-solubility, excellent film forming characteristics, high tensile strength and elasticity, as well as resistance against organic solvents and dispersing power.
Polyvinyl Alcohol (PVOH) Characteristic Data*
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Fully Hydrolyzed and Specialty Grades
| Grade [ KURARAY POVAL] | Specifications |
|||||
|---|---|---|---|---|---|---|
| Hydrolyzed | Type | Viscosity1) [mPa•s] | Hydrolysis [mol.-%] | Volatile Max [%] | Ash Max2) [%] | pH |
| Fully | 5-98 | 5.2 - 6.0 | 98.0 - 99.0 | 5.0 | 0.6 | 5.0 - 7.0 |
| 28-98 | 25.0 - 31.0 | 98.0 - 99.0 | 5.0 | 0.4 | 5.0 - 7.0 | |
| Polysizer-173 | 25.0 - 31.0 | 98.0 - 99.0 | 5.0 | 0.4 | 5.0 - 7.0 | |
| Note: | ||||||
| 1) Viscosity is measured at 4% aqueous solution at 20°C determined by Brookfield synchronized-motor rotary type. | ||||||
| 2) Ash content is measured at dry basis as Na2O. synchronized-motor rotary type. | ||||||
Partially Hydrolyzed Grades
| Grade [ KURARAY POVAL] | Specifications |
|||||
|---|---|---|---|---|---|---|
| Standard Type | Anti-foaming/Defoaming type | Viscosity1) [mPa.s] | Hydrolysis (mol %) | Volatile Max [%] | Ash Max2) [%] | pH |
| 3-88 | | 3.2 - 3.6 | 87.0 - 89.0 | 5.0 | 0.4 | 5.0 - 7.0 |
| 5-88 | 5-88MB | 4.6 - 5.4 | 86.5 - 89.0 | 5.0 | 0.4 | 5.0 - 7.0 |
| 22-88 | | 20.5 - 24.5 | 87.0 - 89.0 | 5.0 | 0.4 | 5.0 - 7.0 |
| 30-88 | 30-88DB | 27.0 - 33.0 | 86.5 - 89.0 | 5.0 | 0.4 | 5.0 - 7.0 |
| 49-88 | | 45.0 - 52.0 | 86.5 - 89.0 | 5.0 | 0.4 | 5.0 - 7.0 |
| 95-88 | | 80.0- 110.0 | 87.0 - 89.0 | 5.0 | 0.4 | 5.0 - 7.0 |
| 27-96 | | 24.0 - 30.0 | 95.5 - 96.5 | 5.0 | 0.4 | 5.0 - 7.0 |
| Note: | ||||||
| 1) Viscosity is measured at 4% aqueous solution at 20°C determined by Brookfield synchronized-motor rotary type. | ||||||
| 2) Ash content is measured at dry basis as Na2O. synchronized-motor rotary type. | ||||||
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