company tower banner
Kraton Company Logo

SYLVATAC™ RE 98

1 of 10 products in this brand
SYLVATAC RE 98 rosin ester is an economical pentaerythritol ester of tall oil rosin. This rosin ester is a broadly compatible tackifier. This is a versatile product for any application that can tolerate a slightly higher formulation color.

Chemical Family: Esters, Rosins

Functions: Rheology Modifier, Tackifier

Labeling Claims: Bio-based

Compatible Polymers & Resins: Acrylics, Polyvinyl Acetate (PVA), Synthetic Rubbers

Synonyms: Resin Acid Pentaerythritol Esters

Similar Products

  • TypeDocument Name
View All Documents

Knowde Enhanced TDS

Identification & Functionality

Chemical Family
CASE Ingredients Functions
CAS No.
8050-26-8
EC No.
232-479-9
Technologies

Features & Benefits

Labeling Claims
Product Highlights
  • Economical
  • Good Stability
  • High bio-based content (93%)

Applications & Uses

Adhesive & Sealant Type
Applications
  • Packaging
  • PSA tapes & labels
  • Flooring
  • Woodworking
  • Bookbinding
  • Product Assembly

Properties

Sales Specifications
ValueUnitsTest Method / Conditions
Softening Point92 - 100°CAQCM 003
Color (1:1 toluene)max. 12GardnerAQCM 002
Acid Numbermax. 20mg KOH/gAQCM 001
Typical Properties
ValueUnitsTest Method / Conditions
Softening Point95.0°CAQCM 003
Color (1:1 toluene)5+GardnerAQCM 002
Acid Number16.0mg KOH/gAQCM 001
Glass Transition Temperature46.0°CAQCM 218
Viscosity Brookfield at 125°C8650.0cpsAQCM 004
Viscosity Brookfield at 150°C810.0cpsAQCM 004
Viscosity Brookfield at 177°C150.0cpsAQCM 004

Technical Details & Test Data

Compatibility

SYLVATAC RE 98 rosin ester is compatible with:

  • Ethylene Vinyl Acetate (EVA)
  • Ethylene Butyl Acrylate (EBA)
  • Styrene-Isoprene-Styrene (SIS)
  • Styrene-Butadiene-Styrene (SBS)
  • SB rubber
  • Natural rubber
  • Acrylic polymers
Solubility

SYLVATAC RE 98 rosin ester is soluble in:

  • Aromatic and aliphatic hydrocarbon solvents, like hexane and toluene
  • Esters and ketones, such as ethyl acetate and acetone
  • Long chain alcohols, such as butanol and pentanol

Packaging & Availability

Packaging

SYLVATAC RE 98 rosin ester is available in flaked form in multi-wall bags, 50 lb. net or in bulk bags 1000 or 2000 lb. net weight.

Storage & Handling

Storage Recommendation

Although flaked SYLVATAC RE 98 rosin ester provides good shelf stability, prolonged storage, especially at temperatures higher than ambient, should be avoided due to potential effect on performance. When stored at ambient or lower temperature, this product should remain within stated quality specifications for 9 months. It is recommended that SYLVATAC RE 98 rosin ester be stored and transported dry and below 25°C / 77°F. To prevent remassing, keep away from direct sun light or other sources of heat. Product stored or transported at higher temperatures should be evaluated for impact on performance before use.