Phenolic Insulation Board
Rubber Foam Board
Phenolic Pipe Insulation Section
PTFE gasket
PTFE Packing
PTFE Packing
PTFE Packing is a sealing material made from pure polytetrafluoroethylene fibers through a weaving process, containing no additives or lubricating grease. It is mainly used in industries with high cleanliness requirements such as chemical, food and pharmaceutical industries, and is suitable for dynamic sealing scenarios of pumps, valves and other equipment.
This material features corrosion resistance, self-lubrication and anti-adhesion properties. It can operate stably within a temperature range of -50°C to +260°C and is resistant to most chemical media except molten alkali metals and free fluoride ions. It is divided into six categories according to different processes:
Aramid blended black PTFE packing is suitable for high-pressure dynamic sealing;
White PTFE packing is specially designed for pollution-free environments;
Oil-impregnated type improves thermal conductivity by adding graphite;
Oil-free type enhances structural stability with graphite particles;
Filament-split type strengthens compression resistance through an impregnation process;
Oil-impregnated white PTFE packing is treated with silicone oil to adapt to highly corrosive environments.
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