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PBT GF30 is a high-performance thermoplastic composite material that offers exceptional mechanical strength and heat resistance. This composite material is created by reinforcing polybutylene terephthalate (PBT) resin with 30% glass fibers. PBT GF30 finds its applications in various industries due to its unique properties and benefits. Let Europlas explore what PBT-GF-30 is, its properties, key benefits, and its diverse range of uses.

PBT GF30: What is it? Properties, key benefits & uses

1. What is pbt gf30?

PBT GF30 refers to a composite material consisting of Polybutylene Terephthalate (PBT) and Glass Fiber (GF) reinforcement. PBT is a thermoplastic polyester resin known for its excellent mechanical and electrical properties, chemical resistance, and dimensional stability. Glass fibers are added to the PBT matrix as a reinforcing material to enhance its strength, stiffness, and heat resistance.

The "GF30" in PBTGF30 indicates that the composite contains 30% by weight of glass fibers. The specific percentage of glass fibers can vary depending on the desired properties and application requirements. Higher glass fiber content generally results in improved mechanical properties but may also affect other characteristics such as moldability and surface finish.

PBT GF30 composites are commonly used in various industries, including automotive, electrical, and electronics, where a combination of mechanical strength, dimensional stability, and resistance to heat and chemicals is required. Typical applications include electrical connectors, housings for electrical components, automotive parts, and structural components in various devices and equipment.

What is pbt gf30?

2. Mechanical properties of PBT GF30

PBT GF 30 refers to a composite material made from Polybutylene Terephthalate (PBT) and 30% glass fiber reinforcement. The addition of glass fibers to PBT enhances its mechanical properties, making it stronger and stiffer compared to pure PBT. Here are some common mechanical properties of PBTGF30:

Tensile Strength

Tensile strength measures a material's ability to withstand stretching forces without breaking. PBT GF30 exhibits high tensile strength, thanks to the reinforcing effect of the glass fibers. The addition of glass fibers enhances the overall strength and rigidity of PBT, making it suitable for applications requiring structural integrity and load-bearing capabilities.

Flexural Strength

Flexural strength determines a material's ability to resist deformation when subjected to bending forces. PBT GF 30 possesses excellent flexural strength due to the reinforcing glass fibers. This property is crucial for applications where the material needs to withstand bending or flexing without experiencing permanent deformation or failure.

Elastic Modulus

The elastic modulus, also known as Young's modulus, indicates a material's stiffness or rigidity. PBT GF30 exhibits a high elastic modulus due to the presence of glass fibers. The high modulus enhances dimensional stability and helps PBTGF30 maintain its shape under mechanical stress, making it suitable for precision components and structural applications.

Impact Strength

Impact strength measures a material's ability to absorb energy when subjected to sudden impact or shock loads. PBT GF30 demonstrates good impact resistance, partly attributed to the reinforcement provided by glass fibers. This property makes PBTGF30 suitable for applications where impact resistance is crucial, such as automotive components and electrical enclosures.

Heat Deflection Temperature

The heat deflection temperature (HDT) is the temperature at which a material begins to deform under a specified load. PBT GF30 exhibits a high heat deflection temperature, allowing it to retain its mechanical properties at elevated temperatures. This property is essential for applications that involve exposure to heat, such as under-the-hood automotive components and electrical connectors.

Chemical Resistance

PBT GF30 demonstrates good resistance to many chemicals, including oils, fuels, and solvents. This property makes it suitable for applications where exposure to various chemicals is expected, such as automotive and industrial applications. However, it is important to consider specific chemical compatibility and conduct thorough testing when using PBT GF30 in chemically aggressive environments.

Electrical Insulation

In addition to its mechanical properties, PBTGF30 also possesses excellent electrical insulation characteristics. The glass fibers contribute to the material's high dielectric strength and low electrical conductivity, making it suitable for electrical and electronic applications. PBT GF 30 is commonly used in electrical connectors, insulators, and housings, where reliable electrical insulation is required.

Mechanical properties of PBT GF30

3. Outstanding benefits of PBTGF30

One of the remarkable features of PBT-GF-30 is its excellent dimensional stability. The presence of glass fibers greatly reduces the material's tendency to expand or contract under varying temperature conditions. This property ensures that PBT GF30 retains its shape and size, making it suitable for applications that demand tight tolerances and precise dimensions.

PBT GF30 exhibits exceptional creep resistance, meaning it maintains its shape and dimensional stability even under long-term mechanical stress or constant load. This property makes it highly suitable for applications that involve sustained loads or extended use, ensuring the integrity and longevity of the component.

Despite its impressive mechanical properties, PBT GF30 remains lightweight. The addition of glass fibers provides strength without significantly increasing the material's weight. This lightweight characteristic makes it advantageous in industries where weight reduction is crucial, such as automotive, aerospace, and consumer electronics.

PBT-GF-30 offers excellent design flexibility due to its ability to be molded into complex shapes and intricate details. The material's flowability allows for the production of intricate parts with high precision, enabling designers to create innovative and functional designs that meet specific requirements.

PBT GF 30 exhibits an excellent surface finish, allowing for high-quality aesthetics. The material can be easily molded to achieve smooth surfaces, reducing the need for post-processing or additional finishing steps. This feature is especially beneficial in applications where visual appeal is important, such as consumer products and automotive interior components.

Outstanding benefits of PBTGF30

4. Common applications of pbt-gf30

With its unique combination of strength, durability, and resistance to heat and chemicals, PBT-GF30 continues to be a preferred choice for numerous applications, contributing to the advancement of various sectors.

Automotive Industry

PBT-GF30 is extensively used in the automotive industry due to its exceptional mechanical properties and resistance to high temperatures. It is commonly employed in the production of engine components, electrical connectors, fuel systems, and various under-the-hood applications. Its excellent dimensional stability and resistance to wear make it a preferred choice for automotive manufacturers.

Electrical and Electronics

In the electrical and electronics industry, PBT-GF30 is widely utilized for its excellent electrical insulation properties and high heat resistance. It is commonly used in connectors, sockets, switches, and circuit breakers. The material's dimensional stability and resistance to chemicals and flame make it suitable for applications that require reliable performance in demanding environments.

Consumer Goods

PBT-GF30 is also found in numerous consumer goods due to its strength, impact resistance, and aesthetic appeal. It is frequently used in the production of household appliances, such as vacuum cleaners, blenders, and coffee machines. Additionally, PBT-GF30 is preferred for manufacturing components in power tools and gardening equipment, where durability and robustness are vital.

Industrial Equipment

The industrial sector benefits from PBT-GF30's exceptional mechanical and thermal properties. It is commonly employed in the production of gears, bearings, pump parts, and valves due to its excellent dimensional stability, low friction coefficient, and resistance to wear. PBT-GF30's ability to withstand harsh operating conditions makes it suitable for a wide range of industrial applications.

Aerospace and Defense

PBT-GF30's combination of lightweight and high strength makes it suitable for aerospace and defense applications. It finds use in components requiring a balance between weight reduction and structural integrity. PBT-GF30 can be found in aircraft interiors, structural reinforcements, and various military equipment, where its resistance to heat, chemicals, and impact is critical.

Common applications of pbt-gf30

5. Other types of pbt glass fiber

PBT glass fiber composites play a vital role in numerous industries, offering a wide range of mechanical, thermal, and electrical properties. The selection of the appropriate type of PBT glass fiber depends on the specific application requirements, balancing factors such as strength, stiffness, processability, and environmental resistance. 

5.1 Pbt gf20

PBTGF20 refers to PBT with a 20% glass fiber reinforcement. This composition enhances the material's strength, stiffness, and dimensional stability. PBT-GF20 is commonly used in automotive parts, electrical connectors, and electronic components due to PBT GF 20 improved mechanical properties and resistance to heat and chemicals.

5.2 Pbt gf15 

PBTGF15 indicates PBT with a 15% glass fiber content. This grade offers a good balance between mechanical strength and processability. PBT-GF15 is frequently employed in applications such as household appliances, electrical switches, and small machinery parts. Its higher impact resistance and dimensional stability make it suitable for demanding environments.

5.3 Pbt gf40

PBT-GF40 denotes PBT with a 40% glass fiber reinforcement. This high glass fiber content significantly enhances the material's strength and rigidity. PBT GF40 is commonly used in structural components, electrical housings, and automotive under-the-hood applications. Its excellent dimensional stability, heat resistance, and chemical resistance make it suitable for demanding industrial applications.

5.4 Pbt gf10

PBT GF10 refers to PBT with a 10% glass fiber content. This composition provides moderate strength and stiffness while maintaining good processability. PBT GF10 finds applications in consumer electronics, electrical enclosures, and various mechanical components. It offers improved dimensional stability and resistance to environmental stress.

5.5 Pbt-gf45

PBT-GF45 represents PBT with a 45% glass fiber reinforcement. This grade offers exceptional mechanical properties, including high strength and rigidity. PBT-GF45 is widely used in industrial applications where superior strength and dimensional stability are required. It finds applications in automotive parts, electrical connectors, and structural components subjected to high loads and harsh environments.

6. Introduction of EuroPlas pbt gf30 engineering plastic compound

Introduction of EuroPlas pbt gf30 engineering plastic compound

EuroPlas PBT GF30 engineering plastic compound is a composite material composed of Polybutylene Terephthalate (PBT) resin and 30% glass fiber reinforcement. The addition of glass fibers enhances the mechanical strength, stiffness, and dimensional stability of the material, making it suitable for demanding engineering applications.

EuroPlas PBT GF 30 exhibits high tensile strength, impact resistance, and fatigue resistance, making it ideal for parts that require strength and durability. Moreover, it maintains its properties over a wide temperature range, allowing it to withstand harsh environmental conditions without compromising performance.

The heat resistance of EuroPlas PBT GF30 is another significant advantage. It exhibits excellent thermal stability, retaining its properties even at elevated temperatures. This makes it suitable for applications that involve exposure to heat, such as under-the-hood automotive components and electrical connectors.

The electrical properties of EuroPlas PBT GF 30 are also noteworthy. It offers good electrical insulation properties, making it suitable for electrical and electronic applications. Additionally, it has low moisture absorption, which helps to maintain its dielectric strength and electrical performance over time.

The processability of EuroPlas PBT GF30 is another advantage. It can be easily molded using injection molding techniques, allowing for the production of complex shapes and intricate designs. Its dimensional stability ensures consistent and accurate parts, further enhancing its appeal for manufacturing applications.

EuroPlas PBT GF30 finds applications in various industries. In the automotive sector, it is commonly used in engine components, electrical connectors, and housings due to its excellent heat resistance and mechanical strength. 

In the electrical and electronics industry, it is utilized in switches, sockets, circuit breakers, and other electrical parts. It is also used in consumer goods like appliances, tool handles, and industrial equipment.

EuroPlas PBT GF 30 can be used for gears, bearings, pump components, valve bodies, and other parts that require high strength, rigidity, and resistance to harsh operating conditions.

The lightweight nature of EuroPlas PBT GF30, combined with its excellent mechanical properties and resistance to chemicals and heat, makes it used for interior components, electrical connectors, and various structural parts.