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FloraRez® HR is gum rosin that has been subjected to a high degree of hydrogenation. This results in a nearly colorless thermoplastic resin that has excellent thermal and oxidative stability characteristics, which are a result of the hydrogenation process. Compared to unmodified gum, wood, and tall oil rosins, FloraRez® HR offers the highest degree of color and solubility stability for its derivative products.

Functions: Binder & Resin, Plasticizer, Tackifier, Tackifier

Chemical Family: Hydrogenated Rosin

Labeling Claims: Sustainable

Compatible Substrates & Surfaces: Elastomers & Rubbers

Compatible Polymers & Resins: Alkyds, Other Rubbers, Other Thermoplastics, Other Thermosets

Synonyms: Rosin, hydrogenated

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Identification & Functionality

Chemical Family
Chemical Name
CASE Ingredients Functions
Plastics & Elastomers Functions
CAS No.
65997-06-0
EC No.
266-041-3

Features & Benefits

Labeling Claims
Features & Benefits Information
  • Natural, renewable
  • Acid functionality 
  • Resistant to oxidation
  • Low odor 
  • Nearly colorless
  • Highly hydrogenated 
  • Thermoplastic
  • Wide compatibility

Applications & Uses

Compatible Substrates & Surfaces
Plastics & Elastomers End Uses
Applications
  • Tackifier and modifier in adhesives and sealants 
  • Heat stable high acid value reactant in numerous applications 
  • Component in hot melt and solvent-based coatings 
  • Rubber and plastic modification
  • Wax Modifier 
     

Properties

Soluble in
Esters, Alcohols, Ketones, Hydrocarbons, Chlorinated Solvents
Sales Specifications
ValueUnitsTest Method / Conditions
chlorinated solventsmin. 164mg KOH/g
Softening Point (Ring & Ball)min. 76°C
Typical Properties
ValueUnitsTest Method / Conditions
Abietic Acid Contentmax. 1%
Acid Valuemin. 171mg KOH/g
Colormax. 1Gardner
Colormax. 2Gardner
Dehydroabietic Acid Contentmax. 10%
Density (at 25°C)1.08kg/I
Softening Point (Ring & Ball)min. 79°C
Tetrahydro Resin Acid Contentmin. 30%
Compatibility

Wide range of waxes, rubber, elastomers, Alcohols, esters, ketones, hydrocarbons, thermoplastic polymers and copolymers, drying chlorinated solvents and non-drying alkyds

Regulatory & Compliance

Regulatory/Classifications
CAS Number  65997-06-0
DOT Shipping Classification Not Regulated
Harmonized Tariff Code 380610
INCI (International Nomenclature of Cosmetic Ingredients) Hyd rogenated Rosin
US FDA

21 CFR 172.210

21 CFR 176.210 
21 CFR 175.105

21 CFR 177.1200 
21 CFR 175.125

21 CFR 177.1210 
21 CFR 175.300

21 CFR 177.1400 
21 CFR 175.320

21 CFR 177.2600 
21 CFR 175.390

21 CFR 178.3120 
21 CFR 176.170

21 CFR 178.3800 
21 CFR 176.180

21 CFR 178.3850

21 CFR 176.200

21 CFR 178.3870 

Packaging & Availability

Packaging Type
Packaging Information
Packaging Form Net Weight
Bag, multiwall kraft paper Pastilles 25 Kg
Drum, light gage steel Solid 225 kg

 

Storage & Handling

Storage & Handling Information

Preferred storage inside or under roof. Keep out of standing water. Avoid freezing and excessive heat.