Lanmar PTFE fabrics are engineered for non-stick release, heat sealing, surface protection, and filtering/drying applications where heat resistance, chemical resistance, and long wear life are required. To simplify material selection, Lanmar offers multiple PTFE fabric grades based on surface finish, coating weight, porosity, and performance requirements.

Premium Grade PTFE Fabric

A super-smooth finish with a heavier PTFE coating for applications that require an ultra-smooth surface with minimal weave imprint. Ideal for heat sealing surfaces, release sheets, and high-performance non-stick applications.

Standard Grade PTFE Fabric

The most widely used PTFE fabric grade, offering a smooth surface and dependable release. Commonly used for heat sealing, hot plate covers, release liners, gaskets, and liners for chutes and platens.

Mechanical Grade PTFE Fabric

A lighter PTFE coating produces a more pronounced surface weave texture. Selected when extreme heat or chemical resistance is not required and a more textured surface is acceptable for the process.

Porous / Open Mesh PTFE Fabric

A lighter PTFE coating allows controlled porosity for liquids and gases. Open mesh styles enable airflow for filtering, drying, and ventilation applications.

Conductive PTFE Fabric

A carbon-filled PTFE coating provides anti-static performance while maintaining heat tolerance and release properties often used where static control and clean release are both important.

Tear & Crease Resistant PTFE Fabric

Coating additives increase tear strength and flexibility while improving resistance to fold-over creasing, supporting longer life in demanding handling and processing conditions.

Many Lanmar PTFE fabric grades are available in wider widths depending on the fabric style. For help selecting the right grade, width, and configuration for your application, contact Lanmar customer service.

Lanmar Silicone Coated Fiberglass Fabrics are engineered for flexibility, high-temperature performance, and reliable release in industrial applications where standard materials cannot withstand heat, movement, or repeated use. Constructed from woven fiberglass cloth coated with silicone rubber, these fabrics provide a durable, flexible material for sealing, insulation, and conveyor systems.

Unlike PTFE-coated materials, silicone coated fiberglass fabrics offer greater flexibility and grip with controlled release, making them ideal for dynamic applications such as curtains, belts, and protective covers. These materials are available with single or double-sided silicone coatings, allowing customization based on performance requirements and operating conditions. 

Lanmar silicone fiberglass fabrics operate within a temperature range of -110°F to +450°F, delivering consistent performance in moderate high-heat environments where flexibility and durability are critical. They are available in multiple thicknesses ranging from 0.010” to 0.040”, with varying coating weights and tensile strengths to support a wide range of industrial uses. 

Key Features of Lanmar Silicone Coated Fiberglass Fabrics

• Temperature resistance from -110°F to +450°F for continuous thermal performance 

• Flexible silicone rubber coating for durability in moving or dynamic applications 

• Available in thicknesses from 0.010” to 0.040” to meet application-specific requirements 

• Single or double-sided coating options for customized performance 

• Excellent release properties with controlled surface grip 

• High tensile strength fiberglass substrate for mechanical stability and long service life 

• Available in red or white colors for visibility and application preference 

Available Thickness Options (99-Series)

• 99-10 – 0.010” (10 mil)

• 99-15 – 0.015” (15 mil)

• 99-18 – 0.018” (18 mil)

• 99-23 – 0.023” (23 mil)

• 99-25/1 – 0.025” (25 mil)

• 99-32 – 0.032” (32 mil)

• 99-40 – 0.040” (40 mil) 

Common Applications

Lanmar silicone coated fiberglass fabrics are widely used in:

• Heat shrink tunnel curtains and high-temperature barriers

• Conveyor belts and belt lagging surfaces

• Gaskets, seals, and expansion joints

• Removable insulation covers and thermal blankets

• Electrical insulation and protective wraps

• Industrial curtains, shielding, and flexible connectors

• Aerospace and high-performance insulation systems 

These materials are particularly effective in applications requiring flexibility, thermal resistance, and mechanical durability, while maintaining consistent performance under repeated movement and heat exposure.

Lanmar supplies silicone coated fiberglass fabrics in roll form, slit widths, and custom-fabricated configurations to match specific equipment and processing requirements.