Description

1,3-Benzenedicarboxylic Acid, Polymer With 2,2-Dimethyl-1,3-Propanediol, 1,2-Ethanediol And Hexanedioic Acid CAS NO 58481-50-8 is a high-performance, saturated polyester polyol copolymer. This specialized polymer is engineered to deliver a unique balance of flexibility, chemical resistance, and mechanical strength, making it a critical raw material for advanced coating and adhesive formulations. It is primarily sought after by manufacturers in the polyurethane coatings, adhesives, sealants, and elastomers (CASE) industries who require consistent quality and reliable performance in demanding applications.

Application

• Polyurethane Coatings: A key resin component for high-performance industrial, automotive, and protective coatings, offering excellent weatherability and chemical resistance.
• Adhesives & Sealants: Used in formulating flexible, durable polyurethane adhesives for construction, automotive assembly, and composite bonding.
• Elastomers: Serves as a polyol for producing castable and thermoplastic polyurethane elastomers with tailored hardness and resilience.
• Resin Modifier: Imparts flexibility and impact resistance to rigid polyester or epoxy resin systems.
• Industrial Finishes: Found in formulations for coil coatings, plastic coatings, and other finishes requiring a robust polymer backbone.

Basic Information

Product Name	1,3-Benzenedicarboxylic Acid, Polymer With 2,2-Dimethyl-1,3-Propanediol, 1,2-Ethanediol And Hexanedioic Acid
CAS No.	58481-50-8
Molecular Formula	(C8H6O4 · C5H12O2 · C2H6O2 · C6H10O4)n
Molecular Weight	Polymer - Variable
Synonyms	Poly(neopentyl glycol-co-ethylene glycol-co-adipic acid-co-isophthalic acid); Polyester polyol from isophthalic acid, adipic acid, neopentyl glycol, and ethylene glycol; Isophthalic Acid/Adipic Acid/Neopentyl Glycol/Ethylene Glycol Copolymer; Saturated Polyester Polyol; IPA/AA/NPG/EG Copolymer; Polyester Resin for PU; CAS 58481-50-8
EINECS	Contact for details

Quality Control

Our production of this polyester polyol adheres to strict quality management systems to ensure batch-to-batch consistency. Key parameters such as hydroxyl value, acid value, viscosity, and color are rigorously tested. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment to support your quality assurance and regulatory compliance needs.

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). This product is hygroscopic (moisture-sensitive). Keep away from strong oxidizers and heat sources.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid
Hydroxyl Value (mg KOH/g)	Contact for details
Acid Value (mg KOH/g)	≤ 2.0
Viscosity @ 25°C (cPs)	Contact for details
Color (Gardner)	≤ 2
Water Content (%)	≤ 0.1
Identification (IR)	Conforms

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