How to choose high quality ceramic fiber cloth

Introduction: The factory condition of ceramic fiber cloths can be the original cloth (white, without surface treatment), sintered cloth (yellow-light burn, gray-deep burn), slate cloth (coated with vermiculite, improve temperature resistance), Aluminum foil cloth (surface covered with aluminum foil, improve sealing, radiation protection capabilities) and so on.

How to choose high quality ceramic fiber cloth

In general, ceramic fibers are also called aluminum silicate fibers, which are referred to as their main chemical components. Because one of the main components is alumina, and alumina is the main component of porcelain, it is called ceramic fiber. By adding zirconia or chromium oxide, the use temperature of the ceramic fiber can be further increased, which is referred to as zirconium-containing (chromium-containing) ceramic fiber. Because ceramic fibers have a high porosity and a low thermal conductivity (0.035 W/MK at normal temperature), they are widely used as thermal insulation materials.

The ceramic fiber cloth is mainly made of ceramic fiber, supplemented by viscose fiber, and is made of glass fiber as the core material. The yarn is spun into yarns through operations such as wool splicing, carding, spinning, plying, winding, and the like, and is woven into a cloth through a manufacturing process. If necessary, metal wires may be added as reinforcing materials when the strands are combined. The metal wires are usually stainless steel wires, and 304 stainless steel wires are the basic requirements. For special applications, 310 stainless steel wires, 316 stainless steel wires, copper wires, etc. may also be used.

The factory state of the ceramic fiber cloth can be the original cloth (white, without surface treatment), sintered cloth (yellow - light burn, gray - deep burn), vermiculite cloth (coated with vermiculite, improve temperature resistance), aluminum foil cloth (The surface covered with aluminum foil, improve the sealing, radiation protection capabilities) and so on.

Compared with wool, cotton, chemical fiber, etc., ceramic fibers are coarse fibers and have a very high hardness, and have a high damage rate to the equipment. Therefore, conventional textile equipment is difficult to adapt. Beijing Feifufu has more than 20 years of research, development and production team of ceramic fiber textiles, equipment has been repeatedly engineered to achieve the effect of conventional textile equipment can not be achieved, regardless of the production rate, single yarn strength, tensile strength of the finished product, ablation rate Such are better than the national standard requirements. The abdomen yarn, single yarn, defect rate are lower than the national standard requirements. Due to long-term export, the actual quality control requirements are much higher than the national standard.

The ceramic fiber cloth on the market has many methods to adopt materials instead of lowering the cost, such as: replace polyester with pulp or even viscose, and the woven fabric has poor flexibility and flexibility; when 201 stainless steel wire is used in place of 304 stainless steel wire, the cloth is made of corrosion resistance. Temperature and life are poor; other due to different equipment, processes, quality inspection levels, and even many factories do not have quality inspection, no laboratory, omission of processes, resulting in large belly yarn, multi-filament, low strength and so on.

Similarly, textiles such as ceramic fiber packing (cords), twisted ropes, and belts have similar properties to cloth.

To test the quality of a factory's products, first of all, see whether its technology is complete, whether the laboratory, inspection equipment is complete, the first inspection of its products sealed, each purchase comparison, in order to ensure the purchase of qualified products.

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