Description

Rosin, Polymer With Bisphenol A, p-tert-Butylphenol, Formaldehyde And Pentaerythritol CAS NO 68554-29-0 is a high-performance, modified phenolic resin designed for demanding industrial applications. This specialized polymer offers superior adhesion, thermal stability, and chemical resistance, making it a critical component in advanced coating and adhesive formulations. It is primarily utilized by manufacturers in the paint, ink, and specialty adhesive industries seeking to enhance product durability and performance.

Application

• High-Performance Industrial Coatings: As a key resin component in heat-resistant, chemical-resistant, and marine coatings.
• Printing Inks: Used in gravure, flexographic, and overprint varnishes to improve gloss, rub resistance, and drying speed.
• Structural and Assembly Adhesives: Provides strong bonding and durability in automotive, construction, and aerospace adhesives.
• Can and Coil Coatings: Imparts excellent flexibility, adhesion, and corrosion resistance for metal packaging and pre-coated steel.
• Rubber Compounding and Tackifiers: Enhances tack and cohesion in rubber-based products and pressure-sensitive adhesives.
• Electrical Insulating Varnishes: Used in formulations for wire enamels and insulating materials requiring thermal endurance.

Basic Information

Product Name	Rosin, Polymer With Bisphenol A, p-tert-Butylphenol, Formaldehyde And Pentaerythritol
CAS No.	68554-29-0
Molecular Formula	Complex Polymer (Contact for details)
Molecular Weight	Varies by grade (Contact for details)
Synonyms	Modified Phenolic Resin; Rosin-Modified Phenol-Formaldehyde Resin; Pentaerythritol Ester of Rosin, Modified with Phenol and Formaldehyde; Tackifying Resin; Bisphenol A Modified Rosin Ester; p-tert-Butylphenol Modified Rosin Polymer; Ester Gum Modified Phenolic Resin; Phenolic Modified Rosin Ester
EINECS	Contact for details

Quality Control

Our production of this modified rosin polymer adheres to strict quality management systems to ensure batch-to-batch consistency and performance reliability. Key parameters including acid value, softening point, color, and viscosity are rigorously tested. A Certificate of Analysis (COA) documenting these specifications is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). 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)	90 - 120°C (Grade dependent)
Acid Value	≤ 20 mg KOH/g
Color (Gardner)	≤ 8
Viscosity (at 25°C, 60% in Toluene)	Contact for details
Identification (IR)	Conforms to standard

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