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Natro-Rez 50 is a Coumarone-Indene resin and widely used in rubber, adhesive, paint, coating, and allied industries. Natro-Rez 50 is used primarily in dark rubber compounds as a tackifier and processing aid. Natro-Rez 50 is also available as a dry liquid concentrate, CI 50 DLC?-A at 74% actives.

Functions: Processing Aid, Tackifier

Technical Data Sheet
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Knowde Enhanced TDS

Identification & Functionality

Plastics & Elastomers Functions

Applications & Uses

Properties

Typical Properties
ValueUnitsTest Method / Conditions
Softening Point (Ball & Ring)52 - 58°CQCL-8.2.4-2-11
Acid NumberMax. 1.0 QCL-8.2.4-2-4
Color (Coal tar)Max. 18 QCL-8.2.4-2-18
Flash Point (COC)365.0°F
Fire Point (COC)405.0°F
Specific Gravity at 80°F1.09QCL-8.2.4-2-12

Packaging & Availability

Country Availability
Regional Availability
  • North America