Mineral-Reinforced Polybutylene Terephthalate (PBT) Compound is an engineered polymer blend that enhances its mechanical, thermal, and dimensional stability properties by adding mineral fillers such as talc, calcium carbonate, or glass fibers to the base PBT polymer. Due to its unique characteristics, this compound is widely used across various industries including automotive, electronics, and household appliances.


Features of Mineral-Reinforced PBT Compound
1. High Mechanical Strength :

  • Adding mineral fillers increases tensile modulus and flexural strength.
  • Improves resistance to long-term creep under sustained loads.

2. Enhanced Thermal Stability:

  • Mineral additives help PBT maintain stability at higher temperatures.

3. Dimensional Stability:

  • Minerals reduce shrinkage and thermal deformation, resulting in parts with greater dimensional accuracy.

4. Resistance to Wear and Fatigue:

  • Mineral composition improves surface resistance to scratches and abrasion.

5. Cost-Effective Production:

  • Using mineral fillers reduces the overall manufacturing cost of the product.

6. Suitable Thermal and Electrical Insulation:

  • Thanks to its insulating properties, combined with mineral additives, PBT remains a preferred choice for electrical and electronic applications.

7. Resistance to Moisture and Chemicals:

  • This compound retains PBT’s inherent resistance to solvents, oils, and chemicals.


Applications of Mineral-Reinforced PBT Compound
1. Automotive Industry

  • Manufacturing of parts such as headlamp housings, engine interior components, and electrical systems.

2. Electronics and Electrical Industry

  • Production of connectors, sockets, and thermal and electrical insulation parts.

3. Household Appliances

  • Used in the manufacturing of appliance housings requiring heat resistance and durability.

4. Building Components

  • Suitable for producing heat- and wear-resistant building parts.


Common Additives in This Compound
Mineral fillers: Talc, Calcium Carbonate, Mica
Glass fibers: To increase strength and stability
Flame retardants: For fire-resistant applications
Dyes and UV stabilizers: To enhance optical resistance and appearance


Advantages over Pure PBT

  • Reduced production costs
  • Improved mechanical and thermal properties
  • Better dimensional stability
  • Less deformation under thermal or mechanical stress

This compound is an excellent choice for applications demanding a combination of high strength, lightweight, and stability.

Razin Polymer PBT Compound Razin Polymer’s PBT compounds, marketed under the brand name Razadur, are among the company’s flagship products. These compounds are reinforced with various additives, including glass fibers and mineral fillers, and feature enhanced mechanical and thermal properties. Their versatility makes them suitable for a wide range of applications in automotive, electronics, household, and construction industries.

Key Features of Razin Polymer PBT Compounds

  1. High Mechanical Strength: Reinforcement with glass fibers and minerals increases tensile modulus and flexural strength.
  2. Thermal Stability: Maintains performance at elevated temperatures, ideal for heat-resistant applications.
  3. Dimensional Stability: Reduced shrinkage and thermal deformation improve manufacturing precision.
  4. Wear and Fatigue Resistance: Extended durability in demanding operating conditions.
  5. Suitable Thermal and Electrical Insulation: Perfect for electrical and electronic uses.

Razin Polymer continually invests in R&D to improve its products and meet evolving market needs.