Description

4,7-Methano-1H-Indene, 3A,4,7,7A-Tetrahydro-, Polymer With Ethenylbenzene, Ethenylmethylbenzene, 1H-Indene And (1-Methylethenyl)Benzene is a high-performance, multi-component hydrocarbon resin derived from a complex polymerization process. This specialized resin is engineered to deliver exceptional tackifying, reinforcing, and compatibility properties in demanding adhesive and sealant formulations. It is a critical raw material for manufacturers in the pressure-sensitive adhesive (PSA), hot-melt adhesive (HMA), and rubber compounding industries seeking to enhance product performance and durability.

Application

• Pressure-Sensitive Adhesives (PSAs): Serves as a primary tackifier and modifier for tapes, labels, and graphic films, improving peel adhesion and quick-stick properties.
• Hot-Melt Adhesives (HMAs): Enhances thermal stability, open time, and bonding strength in packaging, woodworking, and non-woven applications.
• Rubber Compounding: Acts as a processing aid and reinforcing agent in tire treads, belts, and industrial rubber goods to improve hardness and abrasion resistance.
• Sealants and Caulks: Improves cohesion, flexibility, and adhesion to various substrates in construction and automotive sealants.
• Printing Inks: Used as a resinous component to enhance gloss, rub resistance, and pigment wetting in specialty ink formulations.
• Industrial Coatings: Contributes to film formation, chemical resistance, and substrate adhesion in protective and functional coatings.

Basic Information

Product Name	4,7-Methano-1H-Indene, 3A,4,7,7A-Tetrahydro-, Polymer With Ethenylbenzene, Ethenylmethylbenzene, 1H-Indene And (1-Methylethenyl)Benzene
CAS No.	68240-01-7
Molecular Formula	Complex Polymer Mixture
Molecular Weight	Varies (Polymer Distribution)
Synonyms	C9 Hydrocarbon Resin (partially hydrogenated); Hydrogenated C9 Petroleum Resin; Aliphatic/Aromatic Hydrocarbon Resin; Tackifying Resin; Poly(cyclopentadiene-co-indene-co-methylindene-co-α-methylstyrene); C5/C9 Copolymer Resin (modified); Petroleum Resin, hydrogenated
EINECS	Contact for details

Quality Control

Our hydrocarbon resins are produced under strict quality management systems to ensure batch-to-batch consistency and performance reliability. Key parameters such as softening point, color, and melt viscosity are rigorously monitored. Certificates of Analysis (COA) detailing specific lot specifications are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at ambient temperatures (15-25°C/59-77°F). Keep away from heat sources and open flame. Under these conditions, the product is stable for extended periods.

Specification

Item	Specification
Appearance	Pale yellow to amber solid / flakes
Softening Point (Ring & Ball)	85 - 120°C
Color (Gardner)	≤ 3
Acid Value	≤ 1.0 mg KOH/g
Saponification Value	≤ 1.0 mg KOH/g
Ash Content	≤ 0.1%
Bromine Number	Contact for details

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.