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CUMAR® P-25 is a low molecular weight, liquid hydrocarbon tackifying resin produced by catalytic polymerization of predominantly indene and other aromatic monomers.

Functions: Binder & Resin, Extender, Rheology Modifier, Tackifier, Thickener

Chemical Family: Carbonates, Hydrocarbons

Physical Form: Liquid

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Knowde Enhanced TDS

Identification & Functionality

Technologies

Features & Benefits

ATTRIBUTES / BENEFITS
  • Hydrophobic—Improved Moisture Resis-tance
  • Enhanced Wetting of Pigments and Fillers
  • Low Molecular Weight
  • Acrylic Tackifier
  • Low Odor
  • Resistant to Acids and Alkalis
  • Able to be Emulsified

Applications & Uses

APPLICATIONS / END USES
  • Adhesives and Sealants
  • Tackifier
  • Rubber Processing Aid
  • Rheology Modifier
  • Epoxy resin Extender
  •  Pipe Coatings
  • Temporary Protective Films

Properties

Physical Form
Appearance
Amber Viscous Liquid
Typical Properties
ValueUnitsTest Method / Conditions
Softening Point, R&B 24°CASTM E28
Gardner Color (50% in 100 Solvent)11ASTM D1544
Specific Gravity at 25°C1.06ASTM D71
Brookfield Viscosity at 120°F6500cpsASTM D3236
Flash Point, (COC)400°FASTM D92
Molecular Weight, Mn260GPCASTM D5296

Regulatory & Compliance

Chemical Inventories
TSCA Status / FDA STATUS

TSCA Status: Neville Chemical Company certifies that all components of this product are on the TSCA Inventory.
FDA STATUS: CUMAR® P-25 Resin is an approved substance as defined by the following United States Food and Drug Administration regulations:
175.105 Adhesives
177.2600 Rubber Articles Intended for Repeated Use
The formulator must comply with all other requirements of the FDA regulations, including con-ditions of use and extractive tolerances of the total compound or formula.

Packaging & Availability

Packaging Type
Packaging

CUMAR P-25 Resin is shipped in 410 pounds net weight drums.