Description

1,4-Benzenedicarboxylic Acid Polymer With 1,4-Butanediol, 1,4-Cyclohexanedicarboxylic Acid And α-Hydro-ω-Hydroxypoly(Oxy-1,4-Butanediyl), Block is a high-performance thermoplastic copolyester elastomer (TPC-ET) engineered for demanding applications. This specialized block copolymer offers an exceptional balance of flexibility, chemical resistance, and thermal stability, making it a superior alternative to conventional materials. It is primarily sought by manufacturers in the automotive, industrial hose, wire & cable, and consumer goods sectors for creating durable, high-quality components.

Application

• Automotive Components: Used in air ducts, seals, gaskets, and under-the-hood parts requiring oil and heat resistance.
• Industrial Hose & Tubing: Ideal for hydraulic, pneumatic, and fuel lines due to its excellent hydrolytic stability and flexibility.
• Wire & Cable Jacketing: Provides superior insulation, abrasion resistance, and durability for industrial and electronic cables.
• Consumer Goods: Employed in sporting goods, wearable device components, and appliance parts for its toughness and elastic recovery.
• Medical Device Tubing: Suitable for non-implantable applications where clarity, kink resistance, and biocompatibility are needed.
• Polymer Modification: Acts as a compatibilizer or impact modifier to enhance the properties of rigid engineering plastics like PBT and PET.

Basic Information

Product Name	1,4-Benzenedicarboxylic Acid Polymer With 1,4-Butanediol, 1,4-Cyclohexanedicarboxylic Acid And α-Hydro-ω-Hydroxypoly(Oxy-1,4-Butanediyl), Block
CAS No.	176836-90-1
Molecular Formula	(C12H14O4·C4H10O2·C8H12O4·HO(C4H8O)nH)x
Molecular Weight	Varies (Polymer)
Synonyms	Poly(ether-ester) elastomer based on PBT and PTMG; Thermoplastic Copolyester Elastomer (TPC-ET); Poly(butylene terephthalate)-block-poly(tetramethylene oxide) glycol copolymer; PBT-PTMG Block Copolymer; Copolyester Ether Elastomer; TPC-ET Elastomer; Poly(tetramethylene ether glycol)-b-poly(butylene terephthalate); 1,4-Benzenedicarboxylic acid, polymer with 1,4-butanediol, 1,4-cyclohexanedicarboxylic acid and α-hydro-ω-hydroxypoly(oxy-1,4-butanediyl)
EINECS	Contact for details

Quality Control

Our thermoplastic copolyester elastomer is manufactured under strict quality management systems. Each batch undergoes rigorous testing for key parameters such as melt flow index, hardness (Shore D), tensile strength, and elongation at break to ensure consistent performance. Certificates of Analysis (COA) detailing lot-specific results are available upon request 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). Keep away from strong oxidizing agents and excessive heat sources to maintain polymer integrity. The material is hygroscopic (moisture-sensitive); ensure containers are sealed after use to prevent moisture absorption.

Specification

Item	Specification
Appearance	Pellets or granules, colorless to off-white
Identification (IR)	Conforms to structure
Shore Hardness (D Scale)	40 - 72 (Grade dependent)
Melting Point (DSC)	160 - 210 °C
Tensile Strength	15 - 40 MPa
Elongation at Break	300 - 700 %
Melt Flow Rate (MFR)	5 - 30 g/10 min (Grade & Temp dependent)
Moisture Content (KF)	< 0.1 %

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