VALOX™ 337 Low Temperature Impact Strength PBT Resin for Automotive

Thermal Stability, Hydro Stability & Improved Ease of Processing

VALOX™ 337 Resin is an Advanced Low-Temperature Impact Modified PBT (Polybutylene Terephthalate) Resin engineered to deliver an excellent balance of Toughness, Thermal Stability, Hydrolytic Stability, and Processing Efficiency. Developed for demanding applications such as automotive components and Power distribution Enclosures, this Grade offers reliable performance in Environments where both Mechanical Durability and Environmental Resistance are Critical.

A Standout Characteristic of VALOX™ 337 is its Exceptional Low-Temperature Impact Strength. Unlike Conventional Polyester Materials that may become Brittle in Colder Conditions, this Resin is formulated to retain Toughness and Resistance to Cracking across a Wide Operating Temperature Range. This capability makes it particularly suitable for components exposed to Outdoor Environments, Transportation Conditions, or Fluctuating Seasonal Temperatures.

The material also demonstrates excellent Thermal Stability, allowing Molded Parts to maintain Dimensional Accuracy and Mechanical Integrity when subjected to Elevated Temperatures. This performance is complemented by Strong Hydrolytic Stability, helping components Resist degradation caused by Moisture, Humidity, and Long-Term Environmental Exposure.

Another Advantage of VALOX™ 337 Resin is its improved Processing Behavior. The formulation supports efficient Molding Operations with consistent Flow Characteristics, enabling manufacturers to produce Complex components while maintaining High-Quality Surface Finishes and Dimensional Consistency throughout Production.

For applications such as Automotive Systems and Power Boxes, material reliability is often as important as Mechanical Performance. VALOX™ 337 combines Environmental Durability with Impact Resistance, providing a Dependable Engineering Solution Capable of withstanding demanding Service Conditions while supporting efficient Manufacturing Processes.
RoHS Compliance: VALOX™ 337 Resin supports RoHS Requirements, helping manufacturers reduce the use of Restricted Hazardous Substances while maintaining Dependable Engineering Performance.

Notes:

VALOX™ 337 PBT Resin
PBT Engineering Resin
Low Temperature Impact Grade
Excellent Thermal Stability
Excellent Hydrolytic Stability
Improved Processing Characteristics
Enhanced Toughness
Suitable for Automotive Applications
Reliable Long-Term Performance
RoHS Compliant

VALOX 337 PBT has 2.4 ~2.7 Shrinkage, Flow, 3.2 mm. %

Material HDT, 1.82 MPa, ASTM A648, °C

6.4 mm, unannealed 47

Vicat Softening Temperature Rate

N/A

Material MFI / Melt Flow Rate

Melt Flow Rate, 250°C/5.0 kgf = 12.7

Material Melt Volume Rate, MVR

N/A

VALOX™ 337 Resin has a Flexural Modulus of 1790 MPa. 1.3 mm/min ASTM D790

VALOX™ 337 Resin are Non UL Rated

VALOX Main Page

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