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Anonymous users2024-01-24The raw materials for FRP manufacturing are mainly glass fibers, unsaturated resins, and their catalysts. There is a certain amount of toxic gas produced during the curing reaction, and the smell is unpleasant; Most people will have skin allergies to glass fibers, red rashes, and severe ulcers and itching. But it varies from person to person, and the longer time will be lessened.
The powder produced by grinding and cutting needs to be protected, otherwise it can cause permanent damage to the lungs.
As a typical composite material, FRP is composed of glass fiber and unsaturated polyester resin. Often, glass fiber should be woven into glass cloth in advance, and then superimposed with unsaturated polyester resin, and the unsaturated polyester resin can be cured into glass fiber reinforced plastic products. Unsaturated polyester resin contains styrene, irritating gas, long-term contact is not good for health, and masks need to be worn when making. >>>More
The main component of medical alcohol is ethanol. Medical alcohol is made by distillation of starch plants through saccharification and re-fermentation, which is equivalent to the process of making liquor, but the distillation temperature is lower than that of liquor, the number of distillations is more than that of liquor, the alcohol content is high, the output of finished products is high, and the ether and aldehyde components other than alcohol are more than wine, which cannot be drunk, but can be exposed to human medical treatment. It is a plant-based product. >>>More
First: FRP mold material and process.
1. Materials selected for general products: >>>More
Furniture closely related to people's lives, if it is full of bacteria and mold erosion, people face uncomfortable feelings everywhere, which not only reduces the quality of life, but also brings terrible diseases to human beings due to the breeding of bacteria and mold, such as infectious diseases (sweat spots, athlete's foot), dermatitis in infants, bedsores in the elderly, etc. Furniture mold is mainly due to the damp environment, sofas, carpets, quilts, pillows and even plush toys may be disturbed by moisture, for fabric sofas and carpets, be sure to regularly remove dust from their surfaces, if necessary, blow gently with a hair dryer. As soon as the weather clears, it's time to put your damp furnishings in the sun.
The current national standard for formaldehyde emission of parquet is E1, that is, E1, so as long as it meets the national standard, it can be used with confidence and will not cause harm to the human body.