Description

4,7-Methanoisobenzofuran-1,3-Dione, 4,5,6,7,8,8-Hexachloro-3A,4,7,7A-Tetrahydro-, Polymer With 2,2-Bis(Hydroxymethyl)-1,3-Propanediol And 1,3-Isobenzofurandione is a specialized chlorinated polyester resin, known for its excellent chemical resistance and thermal stability. This high-performance polymer is engineered to deliver superior durability and flame-retardant properties in demanding industrial applications. It is a critical raw material for manufacturers in the coatings, adhesives, and advanced composite materials sectors seeking to enhance product longevity and safety.

Application

• Flame-Retardant Coatings: A key component in intumescent and protective coatings for construction materials, electrical enclosures, and transportation.
• High-Performance Adhesives & Sealants: Imparts chemical resistance and durability to adhesives used in automotive, aerospace, and marine assembly.
• Engineering Plastics & Composites: Used as a modifier to improve the flame retardancy and thermal properties of polyesters and other polymer matrices.
• Wire & Cable Insulation: Serves as a halogenated flame-retardant additive in insulating materials for enhanced fire safety.
• Corrosion-Resistant Linings: Formulated into linings and tank coatings for chemical processing equipment due to its inert nature.
• Specialty Inks & Pigments: Utilized as a binder in inks requiring high stability and resistance to fading or chemical attack.

Basic Information

Product Name	4,7-Methanoisobenzofuran-1,3-Dione, 4,5,6,7,8,8-Hexachloro-3A,4,7,7A-Tetrahydro-, Polymer With 2,2-Bis(Hydroxymethyl)-1,3-Propanediol And 1,3-Isobenzofurandione
CAS No.	67874-94-6
Molecular Formula	(C9H2Cl6O3 · C5H12O4 · C8H4O3)n
Molecular Weight	Polymer - Contact for details
Synonyms	Chlorendic Anhydride-Pentaerythritol-Phthalic Anhydride Copolymer; Chlorinated Polyester Resin; HET Acid-Based Polyester; 1,4,5,6,7,7-Hexachlorobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic Anhydride polymer with Pentaerythritol and Phthalic Anhydride; Flame Retardant Polyester Resin; HET Anhydride Polyester; Chlorendic Polyester Resin; FR Polyester Resin
EINECS	Contact for details

Quality Control

Our production of this advanced polymer adheres to strict quality management protocols to ensure batch-to-batch consistency and performance reliability. Key parameters such as acid value, hydroxyl value, chlorine content, and viscosity are rigorously monitored. A comprehensive Certificate of Analysis (COA) detailing purity, physical properties, and performance specifications is provided with every shipment to support your quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong bases and sources of heat. Under these conditions, the product is stable for extended periods.

Specification

Item	Specification
Appearance	Off-white to pale yellow solid or flakes
Acid Value (mg KOH/g)	Contact for details
Hydroxyl Value (mg KOH/g)	Contact for details
Chlorine Content (%)	Contact for details
Softening Point (°C)	Contact for details
Viscosity (Gardner-Holdt)	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.