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Safety Notes on Using PTFE Composite Material

Polytetrafluoroethylene (PTFE) composite materials, commonly used in high-performance applications such as RF/microwave circuits and industrial products, have unique safety considerations due to their chemical composition and processing characteristics. Below are guidelines for the safe handling, processing, and disposal of PTFE composite materials. 1. General Safety Considerations Stable at Normal Temperatures: PTFE materials are chemically inert...

The Effect of Exposure of RT-duroid PTFE-Based Composites to Nuclear Radiation

RT-Duroid® laminates are polytetrafluoroethylene (PTFE)-based composites reinforced with ceramic or glass microfiber fillers, widely used in high-frequency and microwave applications. In specific environments, such as space or nuclear facilities, these materials may be exposed to ionizing radiation. Understanding the effects of such exposure on the physical and electrical properties of RT-Duroid® materials is crucial for ensuring their...

Fabrication Guidelines TMM High Frequency Laminates – Drilling Guidelines

TMM® laminates are thermoset, ceramic-filled polymer composites designed for high-frequency applications. They offer exceptional dimensional stability and thermal conductivity. Proper drilling techniques are essential to preserve the laminate’s integrity and maintain its high-performance characteristics. Drilling Guidelines Drill Bit Selection Type: Use carbide or diamond-coated bits for optimal performance. Tip Angle: 130°–140° point angle for enhanced cutting efficiency....

Fabrication Guidelines TMM High Frequency Laminates – Routing Guidelines

TMM® laminates are high-performance, ceramic-filled, thermoset polymer composites designed for microwave and RF applications. Proper routing techniques are essential for creating precise edge profiles and maintaining the laminate’s structural integrity. Routing Guidelines Router Bit Selection Type: Use carbide or diamond-coated router bits for extended tool life and smooth edges. Geometry: Single-Flute Bits: Ideal for high-speed operations. Double-Flute...

TMM® laminates are thermoset, ceramic-filled polymer composites engineered for high-frequency applications in microwave, RF, and antenna systems. These laminates are designed to provide exceptional dimensional stability, consistent dielectric performance, and ease of processing. Key Features Stable Dielectric Constant (Dk): Dielectric constant values range from 3.27 to 12.85 (frequency-dependent). Nearly invariant across frequency ranges, ensuring predictable...

Quick Reference Processing Guidelines TMM Laminate

TMM® laminates are high-performance thermoset, ceramic-filled polymer composites designed for microwave and RF applications. These materials require specific processing techniques to achieve optimal performance and preserve their unique properties. Material Handling Storage: Store laminates in a clean, dry environment. Maintain ambient temperature at 20–25°C (68–77°F) with relative humidity below 50%. Avoid prolonged exposure to direct sunlight...

TMM® Series laminates are advanced, thermoset-based materials designed for high-frequency applications requiring low dielectric loss, thermal stability, and exceptional performance. These laminates are widely used in microwave and RF applications, such as antennas, power amplifiers, and filters, offering a unique combination of material properties and ease of fabrication. Key Features and Benefits Stable Dielectric Properties: Dielectric...

TMM Thermoset Laminate Data Sheet TMM3 – TMM4 – TMM6 – TMM10 – TMM10i – TMM13i

TMM® thermoset laminates are high-performance materials designed for RF and microwave applications requiring excellent thermal and electrical stability. These materials offer a range of dielectric constants, low dissipation factors, and superior mechanical and thermal properties. Material Options and Specifications Grade Dielectric Constant (Dk) Loss Tangent (Df) Thermal Conductivity (W/m·K) Moisture Absorption (%) Flammability TMM3 3.27 ±...