What is the manufacturing process of PTFE expansion board?

The manufacturing system of PTFE (polytetrafluoroethylene) expansion board is a complicated system that guarantees the final product has superb overall performance and reliability.

1. Material training:
The manner of manufacturing PTFE enlargement panels starts with the cloth coaching degree. At this degree, the choice of PTFE resin is vital. PTFE resin need to be of high purity to ensure chemical balance and performance of the final product. The purity of the resin can be decided by using unique analytical methods consisting of FTIR (Fourier Transform Infrared Spectroscopy) and TGA (Thermogravimetric Analysis). In addition, the dimensions and shape of the debris additionally want to be controlled at this level to make certain the uniformity of the cloth.
Once the PTFE resin is obtained, it is normally placed into a mixer to make sure an excellent mix of debris. This process enables dispose of impurities and ensures resin consistency. In addition, this blending step can upload a few fillers, together with glass fiber or carbon fiber, to the resin to increase the mechanical electricity and hardness of the PTFE extended board.

2. Suppression:
Next comes the pressing step, wherein the PTFE resin is heated and pressurized to shape a uniform mass, often referred to as a "preform." During this method, the resin will become tender, clean to paintings with, and may be deformed into the favored shape at some point of subsequent manufacturing steps.
The urgent method is usually achieved beneath controlled temperature and stress to ensure that the PTFE resin conforms to the favored shape. At this point, the resin has now not yet been vulcanized and is consequently nevertheless in a non-expanded country.

3. Extrusion:
The preform will be fed into the extruder, that's one of the key steps in making PTFE improved sheets. During the extrusion procedure, the preform is extruded into the form of flat sheets or sheets that becomes the very last accelerated PTFE sheets. Extruders use high strain and temperature to make PTFE plastic so it can be molded into the desired shape and length.
During this manner, the clean goes thru a sequence of rolling and cutting steps to obtain the desired thickness and size. These steps require strict manage to ensure a consistent product.

4. Vulcanization:
The extruded PTFE sheet desires to be vulcanized, that is the technique of heating it to excessive temperatures to permit it to enlarge. Vulcanization is a key step in production PTFE expansion sheets, which offers the material its unique growth homes.
During vulcanization, the fillers within the PTFE sheets enlarge, creating tiny pores and voids. These tiny pores are key to the high-quality performance of PTFE expansion board, they deliver the fabric notable elastic and compressive houses inside the software. Vulcanization temperature and time are exactly controlled parameters to make sure the preferred fabric houses are obtained.

5. Cutting and Trimming:
The vulcanized PTFE enlargement board desires to be trimmed and reduce to obtain the required size and form. This regularly involves sheets cut into exceptional round, square or other unique shapes. These slicing and trimming steps require high-precision system to make certain that the dimensions and shape of the product meet specs.

6. Inspection and high-quality manage:
In the procedure of manufacturing PTFE growth boards, strict inspection and great manage are vital. These steps are designed to make sure that the final product meets distinct technical specifications and performance requirements. Some key inspection objects include measuring density, detecting pores, checking flatness, and verifying chemical houses. These inspections ensure product great and reliability.

7. Packaging and leaving the manufacturing facility:
The synthetic PTFE growth sheets are packaged to prevent harm and keep the high-quality of the fabric. Packaging usually involves using special packaging materials, which includes polyethylene baggage or foam forums, to make sure that the product is not damaged at some stage in transportation and storage. The product can then be shipped out of the manufacturing unit and supplied to clients.

EXPANDED PTFE SHEET

Tenglong Expanded PTFE Sheet made from 100% PTFE, developed by a highly specific treatment of PTFE Fluorocarbon. It has a high tensile strength, flexibility, hardness, chemical and thermal resistance, making it an excellent material for gasket seals in the most extreme conditions. The product has an unlimited shelf life and will not become brittle, age or otherwise deteriorate in the application.