Teckros® R40 is a stabilized semi-solid ester of gum rosin, ideal for assembly, pressure-sensitive, flooring adhesives, and other applications requiring enhanced adhesion and low-temperature performance. It offers low odor and is free from significant sulfur content.

Chemical Family: Rosin Esters

End Uses: Flooring Adhesives, Pressure Sensitive Adhesive

Features: Excellent Adhesion, Low Odor, Low Temperature Performance

Enhanced TDS

Identification & Functionality

Chemical Family
CASE Ingredients Functions
Technologies
Product Families

Features & Benefits

Applications & Uses

Properties

Physical Form
Compatible with
Natural rubber, Chloroprene, SIS, SBR, Acrylic, SBS, EVA, SIBS, Butyl
Incompatible with
Polyolefins
Insoluble in
Alcohol
Typical Properties
ValueUnitsTest Method / Conditions
Color (50T)3Gardner-
Softening Point38.0 °CRing and Ball method
Color (Neat)5Gardner-
Acid Value15--
Glass Transition Temperature 2°C-
Molecular Weight600.0--
Poly Dispersity1.2--
Melt Viscosity (at 60°C)15000cPs-
Melt Viscosity (at 177°C)max. 10cPs-
Hydroxyl Value40--
Specific Gravity (re: water)1.05--
Density (at 25°C)8.8lbs/gal-
SDS Physical and Chemical Properties
ValueUnitsTest Method / Conditions
Insoluble inWater
OdorMild, Rosin
Physical StateSolid--
ColorYellow--
Density1.05g/cm³-
Kinematic Viscosity (at 140°F)15000cPs-
Softening Point (waxes and pastes)35 - 43°C-
Boiling Pointmin. 260°C-
Flash Pointmin. 220°C-
Auto-ignition Temperaturemin. 260°C-

Regulatory & Compliance

Packaging & Availability

Packaging Type
Packaging Information

440 lb. steel drums. Totes available.