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FKM Coated Fiberglass Fabric is made from a high-strength fiberglass fabric as the base fabric. It is formed by pressing a single layer of fluorine rubber sheet under high pressure and then undergoing high-temperature vulcanization. It possesses excellent anti-corrosion properties.
FKM Coated Fiberglass Fabric is an important component of fabric expansion joints used in the smoke and air ducts of power plants, steel mills, and boiler factories. It can play roles such as fire prevention, high-temperature resistance, acid and alkali resistance, wind pressure resistance, and aging resistance. Of course, the most important function is its acid and alkali resistance. For acidic or alkaline gases such as gas medium SiO2 and NO2, the fluorine tape will have a sealing and acid-alkali resistant function, thereby preventing gas leakage and protecting the environment and equipment.
You may all be familiar with fluorine-based adhesive tape. But how does the FKM coated fiberglass fabric resist acid and alkali? The answer is the fluoride content. The higher the fluorine content, the stronger the resistance to acid and alkali. The conventional fluorine content of 39% can meet the normal acid and alkali resistance requirements. Some, like thermal power plants, have higher standards and require a fluorine content of 50%.But it’s not the case that 100% fluorine content is necessarily the best. The higher the fluorine content, the softer the fluorine gel becomes. If it were made into a fluorine coated fiberglass fabric, the maximum content would only be around 50%.
First of all, we will divide the fluorine rubber raw materials into certain sizes. We can blend color pigments and additives. If you want a certain color of fluorine rubber fiberglass fabric, we will blend the corresponding color of pigment materials here. After a certain proportion of blending, we began to mix these materials in specific equipment. After a certain period of time, the colored fluorine-based glue was finally produced.
Next, we need to put these processed fluororubber into a plastic mixer to blend it into sheet form, as it needs to be placed in another device next to form a thin sheet.We will adjust the thickness of the fluorine rubber sheet according to your specified thickness requirements.like this.
Finally, we need to put these fluorine rubber sheets and fiberglass cloth together into the machine and set the temperature to a high level for compounding, to form the finished fluorine rubber fiberglass fabric.
These processes may seem simple, but each one must be carried out with precise quantity, weight and thickness. If any one of the processes goes wrong, the outcome will be completely different.
FKM Coated Fiberglass Fabric is an important component of fabric expansion joints. Its function in non-metallic skins is to resist high temperatures, acids and alkalis, wind pressure, and aging, etc. It is particularly suitable for use in boiler factories and power plants’ flue ducts, and can withstand the load of acidic and alkaline gases or water accumulation, such as SiO2, NO, etc.
