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Polybutylene Terephthalate
Polybutylene Terephthalate

Polybutylene Terephthalate

Polybutylene Terephthalate Specification

  • Molecular Formula
  • C12H12O4
  • Storage
  • Store in a cool dry and well-ventilated area
  • Appearance
  • White or off-white solid granules
  • Smell
  • Neutral
  • CAS No
  • 30965-26-5
  • Usage
  • Ideal for production of insulators housings connectors and other injection-molded parts
  • Shelf Life
  • Stable under normal conditions; indefinite shelf life if stored properly
  • Application
  • Used in automotive industry electrical components and various industrial applications
  • Properties
  • High strength excellent resistance to chemicals good dimensional stability low thermal expansion
  • Purity
  • Typically above 99%
  • Solubility
  • Insoluble in water soluble in certain organic solvents
  • HS Code
  • 390769
  • Structural Formula
  • Linear polyester (composed of butylene glycol and terephthalic acid)
  • Shape
  • Granules or cylindrical pellets
  • Ingredients
  • Polymer chain of butylene glycol and terephthalic acid
  • Melting Point
  • 225-235C
  • Physical Form
  • Solid granules or pellets
  • Poisonous
  • NO
  • Taste
  • Odorless and tasteless
  • Ph Level
  • Neutral
  • Grade
  • Industrial or food-grade variants available
  • Molecular Weight
  • 220.23 g/mol
  • Density
  • 1.31 Gram per cubic centimeter(g/cm3)
 
 

About Polybutylene Terephthalate

(PBT) is a thermoplastic engineering polymer that is used as an insulator in the electrical and electronics industries. It is athermoplastic (semi-)crystalline polymer, and a type of polyester.PBT is resistant to solvents, shrinks very little during forming,is mechanically strong. Polybutylene terephthalate is used for housings in electrical engineering, but also in automotive construction as plug connectors and in households for example in showerheads or irons.

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