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Engineering plastics

VALOX™

PBT (polybutylene terephthalate)

VALOX™ PBT family — a semi-crystalline engineering plastic with high stiffness, very good chemical resistance and excellent electrical properties. Selected for connectors, housings and precision technical parts.

Manufacturer

NexPoint Materials

NexPoint Materials

SABIC

SABIC

About the material
  • VALOX™ (PBT) combines high stiffness, low moisture absorption and very good dimensional stability.
  • Excellent electrical properties (CTI, dielectric) and chemical resistance to fuels, oils and many solvents.
  • Customers choose VALOX™ for electrical connectors, precision automotive and appliance parts, and components requiring consistent mouldability.
Key properties

High dimensional stability

Chemical resistance (fuels, oils)

Excellent electrical properties

Low moisture absorption

Flame-retardant grades (UL94 V-0)

Very good injection processing

Typical applications

Electrical & electronic connectors

Automotive (under-hood, electrical)

Precision electronics housings

Lighting (fixtures, components)

Appliance & pump parts

Precision industrial parts

Why choose this material?
  • High stiffness and dimensional stability even in variable humidity.
  • Excellent electrical properties — first choice for connectors and electronics housings.
  • Broad range of reinforced (15–50% GF), FR and high-flow grades.
  • Consistent processing across many injection machines — easy production transfer.
Selected grades

A short list of example grades — we help you select the full range for your application. Contact us for TDS and samples.

GradeType / featuresTypical applications
VALOX™ 310Unmodified PBTTechnical parts, standard connectors
VALOX™ 325General purpose, medium flowAppliance parts, technical housings
VALOX™ 357PBT with 30% glass fibreStructural automotive and electrical parts
VALOX™ 420PBT with 30% GF, high strengthPrecision structural parts
VALOX™ 553PBT flame retardant (FR), UL94 V-0Electrical connectors, FR housings
VALOX™ DR48PBT FR for connectors, good mouldabilityAutomotive and electronic connectors
Related knowledge

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Frequently asked questions
Technical support

Not sure which grade to choose?

Our engineers will help select the right material, run trials and prepare samples.