INTRODUCTION

Indorez® Coumarone Indene Resin also known as CI Resin, is a thermoplastic aromatic resin which is produced through the polymerization of coumarone, indene & styrene. Each of these three ingredients  play an important role in the performance of CI resin. Coumarone imparts cohesiveness and works as process aid, Styrene imparts heat resistance and Indene imparts transparency and better adhesiveness.

Coumarone Indene Resin has very good affinity with natural and synthetic rubbers. Its key characteristics include imparting good performance as a tackifier, softening and reinforcing agent.

These type of resins are designed to have excellent resistance to alkalis, dilute acids and moisture. They can improve the moulding operation, increase the hardness and elasticity of the product.

SynonymCoumarone Resin
CAS no.63393-89-5
Molecular FormulaC8H6O

SPECIFICATIONS [OC-100 – Typically used grade in rubber industry]

TestUnitSpecification
AppearanceBrownish Transparent Granules
ColourGa#Max 18
Softening Point (Ring & Ball)°C90 – 100
Acid ValuemgKOH/gMax 0.30
Ash%Max 0.05
ExSyn can offer different grades of CI resins suitable for various applications.

APPLICATIONS

Excellent tack retention, higher adhesive bond strength, etc. are some important characteristics of Coumarone Indene resins which makes it a resin of choice in rubber, coatings and adhesive applications. CI resin is used as a tackifier and softener for natural and synthetic rubber.

Applications
Rubber Compounds, Tyres, Tubes, Belts & other Rubber products
Adhesives and Adhesive tapes
Varnishes, Anti-Corrosive Paints & Coatings
Printing Inks

PACKAGING
25 Kg Bags

STORAGE
Store in a sheltered place away from sources of heat and moisture.

No matter the quantity you need, our exceptional quality and service will make ExSyn your supplier of choice! If you need any additional information or SDS, please get in touch with us.

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