Description

1,4-Benzenedicarboxylic Acid, Dimethyl Ester, Polymer With 1,4-Butanediol, 1,6-Hexanediol And .Alpha.-Hydro-.Omega.-Hydroxypoly(Oxy-1,4-Butanediyl) is a high-performance thermoplastic copolyester elastomer (TPC-ET) known for its exceptional durability and flexibility. This engineered polymer is critical for applications demanding a unique balance of chemical resistance, thermal stability, and mechanical strength. It is primarily sought by manufacturers in the automotive, industrial hose, and advanced materials sectors for creating robust, long-lasting components.

Application

• Automotive Components: Used in air ducts, seals, gaskets, and bellows due to its resistance to oils, fuels, and temperature extremes.
• Industrial Hose & Tubing: Ideal for manufacturing flexible hoses for hydraulic systems, fuel lines, and pneumatic applications requiring high pressure and chemical inertness.
• Consumer Goods: Employed in sporting goods, wearable device straps, and appliance parts for its excellent elasticity and fatigue resistance.
• Wire & Cable Jacketing: Provides durable, flexible, and flame-retardant insulation for electrical cables.
• Medical Device Components: Suitable for non-implantable parts where flexibility, clarity, and sterilization compatibility are needed.
• Polymer Modification: Acts as a compatibilizer or impact modifier to enhance the toughness and flexibility of other engineering plastics.

Basic Information

Product Name	1,4-Benzenedicarboxylic Acid, Dimethyl Ester, Polymer With 1,4-Butanediol, 1,6-Hexanediol And .Alpha.-Hydro-.Omega.-Hydroxypoly(Oxy-1,4-Butanediyl)
CAS No.	61987-75-5
Molecular Formula	(C12H12O4·C4H10O2·C6H14O2·(C4H8O)nH2O)x
Molecular Weight	Contact for details
Synonyms	Poly(ether-ester) elastomer; Thermoplastic Copolyester Elastomer (TPC-ET); Poly(butylene terephthalate)-block-poly(tetramethylene oxide) glycol; PBT-PTMG copolymer; Copolyester ether; TPEE; Poly(tetramethylene ether glycol)-co-poly(butylene terephthalate); Arnitel® (typical trade name series)
EINECS	Contact for details

Quality Control

Our production of this thermoplastic copolyester adheres to strict quality management systems to ensure batch-to-batch consistency and performance reliability. Key parameters such as intrinsic viscosity, melting point, hard segment content, and mechanical properties are rigorously tested. A Certificate of Analysis (COA) detailing specific lot 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, and well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive). Keep away from strong oxidizing agents and excessive heat sources to maintain polymer integrity.

Specification

Item	Specification
Appearance	Pellet, clear to opaque
Identification (IR)	Conforms
Melting Point (DSC)	150 - 220 °C (Grade Dependent)
Hardness (Shore D)	30 - 80 (Grade Dependent)
Tensile Strength	> 20 MPa
Elongation at Break	> 300 %
Moisture Content (KF)	< 0.1 %

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