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Adhesives Ingredients

KURARAY POVAL™ 28-99

Technical DataSheet | Supplied by Kuraray

KURARAY POVAL™ 28-99 by Kuraray is a polyvinyl alcohol. It is a fully saponified, odorless, water-soluble polymer manufactured by alcoholysis of polyvinyl acetate. Shows varying degree of polymerization and hydrolysis. Its aqueous solution can be added to polymer emulsions already stabilized with polyvinyl alcohol which affects the extension of the open time, setting speed and rheology. Exhibits good penetration capacity and good adhesion properties. Offers high cohesion & toughness, low electrostatic charging and re-dissolving capacity of the dried film in water. KURARAY POVAL™ 28-99 is designed for pressure sensitive adhesive labels. Complies with EU Directive 67/548/EC.

KURARAY POVAL™ 28-99 Product details

Product Type
xxxxxxxxxxxxxxxxxxxxxxxxx
Chemical Composition
xxxxxxxxxxxxxxxxx
Physical Form
Granules, fine powder
Appearance
White
Product Status
xxxxxxxxxx
Applications/ Recommended for
  • xxxxxxxxx
  • xxxxxxxxxxxxxxxxxxxxxxx
Labels/Agency Rating
xxxxxxxxxxxxxxxxxxxxxx

KURARAY POVAL™ 28-99 Properties

Property

Value & Unit
Test Condition
Test Method
Viscosity (of a 4 % aqueous solution at 20 °C), DIN 53015/ JIS K 6726
xxxxxxxxxx mPa.s
Degree of hydrolysis
xxxxxxxxxx mol%
Ash content (Na2O)
xxxxx %
pH
xxxxxxxxx
Flash point
xxxxxx °C
Non-volatile content, after 3hrs drying at 105°C, DIN 53189
xxxxxxxx %
Methanol content
xxx %
Bulk density, DIN 53466
xxxxxxxxx kg/m3
Last edited May 14, 2018
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