What is XENOY™ 6370

When sourcing engineering plastics, decision-makers rarely look at strength alone. Toughness, dimensional control, and the way a material behaves in processing all weigh into the choice. For many buyers, XENOY™ 6370 (PC+PBT, glass fiber reinforced) has become a practical solution. It combines polycarbonate and polybutylene terephthalate, is reinforced with 30% glass fiber, and is impact-modified—giving it an unusual mix of stiffness and ductility that is hard to achieve with single polymers.

01 | Material Highlights

• Structural stability with reinforcement
  With 30% glass fiber, the grade holds its shape under load and resists creep, which is particularly useful in parts exposed to constant stress.

• Ductility and toughness
  Unlike some rigid plastics that tend to crack under shock, this material can flex without breaking. Even in low-temperature environments, it resists brittle failure. That makes it workable for snap-fit designs and thin-walled parts where breakage risk is high.

• Thermal resistance
  Mechanical properties remain reliable at elevated temperatures, so it is often chosen for components located near heat sources such as engine compartments or power electronics housings.

• Electrical insulation
  Its dielectric strength and volume resistivity make it dependable for switches, connectors, and other current-carrying parts.

• Dimensional precision
  The relatively low shrinkage rate helps manufacturers hold tighter tolerances in injection molding. Complex molds and assemblies benefit directly from this.

02 | Typical Applications

• Automotive – bumper frames, under-hood components, brackets, battery module housings.

• Electrical & electronics – switches, connectors, insulation covers.

• Industrial equipment – gears, shields, and other parts where both impact and chemical resistance are needed.

• Consumer products – sturdy yet lightweight housings that improve user safety and product lifetime.

03 | XENOY™ 6370 Data Sheet

Looking for the full datasheet? Contact us for more technical information.

04 | Processing and Compatibility

The grade is designed for injection molding and shows a reasonable compromise between flow and strength. For high-volume production, this means fewer trade-offs between cycle time and part quality. Shrinkage is low, so parts stay closer to design dimensions. In mass production runs, the stability of this material reduces reject rates, which matters directly to cost control.

05 | Why it Stands Out

Compared with using PC or PBT on their own, XENOY™ 6370 brings together the ductility of PC, the chemical resistance of PBT, and the rigidity of glass fiber reinforcement.

Engineers also point out its adaptability: it performs in hot, cold, and humid conditions.

In many applications it can even replace metal or more expensive engineering plastics, bringing both weight reduction and cost savings.

This is one reason it is frequently specified in automotive lightweighting projects and in electrification components.

06 | FAQ

Q1: Can it be used outdoors?
It tolerates some outdoor conditions. However, for continuous exposure, UV-stabilized versions or protective coatings are recommended.

Q2: What advantage does it have over metal parts?
It is lighter, easier to process, and usually more economical—while still meeting structural requirements in many cases.

Q3: Is it suitable for electric vehicle parts?
Yes. Its insulation and heat stability make it a natural fit for battery brackets, connectors, and related modules.

07 | Why Work with Juyuan

For buyers, material quality is only half the story—supply security matters just as much. Juyuan has been active in the international plastics trade for 24 years and offers:

• Verified sourcing – authentic materials from stable global channels.

• Practical selection advice – recommendations shaped around customer industries, not just data sheets.

• Efficient delivery – logistics networks covering multiple ports and warehouses to keep lead times short.

• Long-term reliability – ongoing supply partnerships with customers in automotive, electronics, and industrial sectors.

Choosing Juyuan means working with a supplier that understands both the material and the buyer’s business context.

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