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PTFE Glass-Filled Rods

PTFE Glass-Filled Rods

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PTFE glass-filled rods are polytetrafluoroethylene (PTFE) with 25% glass fibre reinforcement. This improves the mechanical properties, such as strength and wear resistance, of PTFE while retaining most of its electrical and chemical characteristics.

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These rods are used in different fields, such as aerospace applications, electrical applications, and automotive Industries.

Our PTFE glass-filled rods are manufactured with high-quality material to offer high quality products for all the industries.

Key Properties

  • High wear resistance
  • Strong mechanical properties
  • Low deformation under load
  • High-temperature resistance
  • Chemical resistance

Types of PTFE glass-filled rods

  • 25% Glass-Filled PTFE: This variant improves mechanical properties, lubricity wear resistance, and compression properties, and thus has a higher degree of durability than simple PTFE.
  • Custom-Filled PTFE Rods: PTFE can be optimized with various fillers, such as carbon or ceramic, to achieve desired characteristics.
  • PTFE Rods with MoS2: These rods include molybdenum disulfide, which improves lubrication and wear resistance and is ideal for applications where reduced friction is crucial.
Mechanical Properties

Property

Value

Standard (Norm)

Description

Tensile Strength

20-35 MPa

ASTM D638

Ability to withstand pulling forces without breaking.

Elongation at Break

150-200%

ASTM D638

Flexibility under tension before breaking.

Compressive Strength

10-15 MPa

ASTM D695

Resistance to compressive forces without deformation.

Hardness (Shore D)

60-65

ASTM D2240

Surface hardness indicates resistance to indentation.

Density

2.2-2.3 g/cm³

ASTM D792

Weight per unit volume.

Flexural Strength

15-25 MPa

ASTM D790

Ability to resist bending without breaking.

Thermal Properties

Property

Value

Standard (Norm)

Description

Service Temperature Range

-200°C to 260°C

Temperature range where the material can function effectively.

Short-Term Maximum Temp

300°C

Maximum temperature the material can withstand for short durations.

Thermal Conductivity

0.25-0.69 W/mK

ASTM C177

The ability of the material to conduct heat.

Electrical Properties

Property

Value

Standard (Norm)

Description

Dielectric Strength

18-20 kV/mm

ASTM D149

Ability to insulate against electric voltage.

Volume Resistivity

10^17 Ohm·cm

ASTM D257

Measure of electrical resistance across its volume.

Other Properties

Property

Value

Standard (Norm)

Description

Coefficient of Friction

Low (slightly higher than virgin PTFE)

ASTM D1894

Measure of the material’s smoothness and ease of movement.

Water Absorption

<0.01%

ASTM D570

The amount of water absorbed by the material makes it ideal for moisture-rich environments.

Chemical Resistance

Resistant to most chemicals, except alkalis

Ability to withstand chemical corrosion.

Applications of PTFE Glass-Filled Rods

  • Aerospace Industry: Because of its lightweight and high tensile strength, PTFE glass-filled rods are applied in many parts of the aircraft. Owing to that, they are quite suitable to perform well under conditions with high temperatures.
  • Automotive Industry: In cars, these rods are used on components that require high strength and longer life span. Chemical resistance of their material allows them to be used in areas where they may come into contact with fluids, and road salt.
  • Electrical Industry: PTFE glass-filled rods are especially effective as insulators; these rods are used in electrical parts such as transformers and circuit breakers.
  • Food and Beverage Industry: These rods are non-stick, easy to clean, and properly chemical resistant so it is useful in food machinery applications.
  • CNC Machining: In the production of ground, turned, and cut parts PTFE rods are ideal due to their fine tolerance applications in custom parts for many commercial applications.

Advantages of PTFE Glass-Filled Rods

  • Enhanced Wear Resistance: These rods are incredibly robust due to glass fibres added into them even in demanding applications thus minimizing wear ages.
  • Improved Mechanical Strength: Due to the incorporation of glass fillers, it is easier for glass-filled PTFE to support higher stress without being deformed.
  • Chemical Resistance: These rods do not easily corrode but most chemical solutions including strong concentrated alkalis may affect these rods.
  • High-Temperature Tolerance: With the ability to withstand temperatures up to 260°C, these rods are perfect for high-heat applications.
  • Low Friction: Despite their added strength, these rods maintain a low friction surface, which helps in reducing wear and tear.

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