Products

High stabilized and stabilized rosin ester
[SUPER ESTER]

Better stability than our Ester Gum

・Ester resin derived from rosin, resin from pine trees
・Conventional tackifier for adhesives and PSA.
・In contrast to ESTER GUM, SUPER ESTER has lighter color, better heat stability and weatherability.

Product lineups

Product Type Appearance Color
(Gardner)
Acid Value Softening Point
(℃, R&B)
Characteristics Use*Biomass Degree Rank
A-75 Stabilized rosin ester Pale yellow chunk 7 max. 10 max. 70-80 Good oxidation resistance, weather resistance, heat resistance and good compatibility with elastomers Hot melt and acrylic adhesives, pressure-sensitive adhesives
A-100 Pale yellow Flake 95-105
A-115 Yellow Brown Flake 10 max. 20 max. 108-120
A-125 Pale yellow Flake 120-130
W-100 7 max. 10 max. 95-100
W-115 20 max. 108-120
W-125 118-130

*The biomass degree is calculated by the use rate of biological raw material taking ISO16620 as a reference.
Biomass degree rank:Ⅰ 95-100%, Ⅱ 80-94%, Ⅲ 65-79%, Ⅳ 50-64%, Ⅴ<49%
It is not a guarantee - this is an approximate value without the analysis of the carbon isotope.

Inquiry about Product

Adhesive & Biomass Materials Div.
Sales Dept.

TEL【Osaka】+81-6-6209-8572【Tokyo】+81-3-5645-7803

9:00 to 17:30(Except Saturday,Sunday,National holidays and year-end through New Year Holidays)