Shandong Huashang Chemical Co., Ltd.
Product
POLY(1,4-BUTYLENE TEREPHTHALATE)
  • Brand:HS
  • Model:25kg/drum
  • Purity:99%
  • Cas:26062-94-2
  • Createtime: 2026-04-14
  • Updatetime: 2026-04-15
Product Details
useage Industrial use
deliveryInfo
appearance solid
Molecular Weight 220.22 (monomer)
aliasen
supplyCapacity 50000MT/Month
harbor Qingdao,China
minorder 1KG
Appearance White to pale yellow granular solid

Shandong Huashang Chemical Co., Ltd. is a high-tech enterprise specializing in the research and development, manufacturing, and sales of fine chemicals. Headquartered in Jinan, Shandong, China, we are committed to delivering high-quality products to our global partners. Currently, over 90% of our products are exported to developed markets, including North America, Europe, Japan, South Korea, and the Middle East.

Basic Information

Product Name: POLY(1,4-BUTYLENE TEREPHTHALATE)
Alias: PBT; Polybutylene terephthalate; Valox; Pocan; Poly(oxy-1,4-butane diyl oxycarbonyl-1,4-phenylene carbonyl)
CAS No.: 26062-94-2
EINECS No.: 607-857-5
Molecular Formula: (C??H??O?)?
Molecular Weight: 220.22 (monomer), high molecular weight polymer (varies with polymerization degree)
Classification: Thermoplastic engineering polymer, polyester, engineering plastic, fine chemical, plastic raw material, film-forming material

Physical & Chemical Properties

Appearance: White to pale yellow granular solid, tough texture with luster; semi-transparent to opaque crystalline thermoplastic resin
Density: 1.31 g/cm3 at 25℃; relative density 1.31~1.55
Melting Point: 226℃; 220-230℃ (general range)
Glass Transition Temperature: 22-60℃ (varies with grade)
Solubility: Insoluble in water, alcohol, ether and aliphatic hydrocarbons; resistant to carbon tetrachloride; swells in dichloroethane, aromatic hydrocarbons, acetic acid and ethyl acetate; decomposes in concentrated nitric acid and sulfuric acid; easily eroded by halogenated hydrocarbons
Water Absorption: 0.07%, remains stable in humid environment
Purity: ≥98.0% (raw material grade), ≥99.0% (engineering grade); various modified grades available
Storage Condition: Sealed, -70℃ or 2-8℃ cool and dry place, protect from light; avoid high temperature, moisture and direct sunlight; keep container tightly closed, avoid contact with strong oxidizing acids

Main Uses

  • Electronic & Electrical Field: Widely used in the production of connectors, switches, relay housings, socket, coil skeletons, transformer skeletons and color picture tube sockets; its excellent electrical insulation, arc resistance and dimensional stability ensure stable operation of electrical equipment
  • Automotive Industry: Used to manufacture auto parts such as fuse boxes, ignition coils, engine peripheral parts, fuel system components, window and seat adjuster motor housings, airbag components and safety belt tensioners; it has high mechanical strength, heat resistance and chemical resistance, and can replace metals in some components
  • Mechanical & Household Appliance Fields: Used to make gears, bearings, pump bodies, valves and other mechanical parts; applied in the shells and internal parts of electric irons, hair dryers, rice cookers and other household appliances, with good heat resistance and dimensional stability
  • Other Fields: Used to produce filaments, films, optical fiber cable sheaths and medical devices; can be blended with other polymers to make plastic alloys; used as a raw material for injection molding, extrusion, blow molding and other processing processes

Specification Table

Item
Specification
Unit
Remarks
Product Name
POLY(1,4-BUTYLENE TEREPHTHALATE)
Abbreviation: PBT
CAS Number
26062-94-2

Molecular Formula
(C??H??O?)?

Molecular Weight
220.22 (monomer)
g/mol
High molecular weight varies with polymerization degree
Appearance
White to pale yellow granular solid
Tough texture with luster
Purity
≥98.0
%
Raw material grade; engineering grade ≥99.0%
Melting Point
226
General range 220-230℃