Crastin® is the leading brand name of PBT chemistry from Celanese, known as Polybutylene Terephthalate. Crastin® PBT offers excellent electrical insulation properties, mechanical strength and dimensional stability along with good colourability and UV resistance.
The Crastin portfolio covers virtually all relevant markets including electric vehicles, electrical, medical, food contact, consumer goods and industrial applications.
The comprehensive portfolio can be categorised as follows:
Crastin® S600 – unreinforced PBT with an excellent surface appearance
Crastin® Super Fast – unreinforced and much improved processing cycle times
Crastin® SK – glass reinforced PBT offering high stiffness and superior thermal resistance
Crastin® HR - glass reinforced offering hydrolysis resistance in humid/hot environments
Crastin® FG - uunreinforced and glass reinforced grades for food contact applications
Crastin® Low Warpage – glass reinforced PBT with specialised low warpage technology
Crastin® Toughened– unreinforced and glass reinforced impact modified technology
Crastin® FR – unreinforced and glass reinforced non halogenated flame retardant technology
Crastin® SC - Unreinforced and glass reinforced grades for medical devices
Crastin® BM – unreinforced blow mouldable technology
Crastin® is used in a versatile range of applications across many industries due to its unique and highly advantageous product properties.
Our dedicated Crastin® industry pages go into great detail about the attributes of Crastin® that make it ideal for particular applications.
Select a resource from the drop down to find out more:
Looking for datasheets & UL yellow cards?
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