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2021-12-09 11:16:35
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As long as it is a medical product, there are many stresses on the use of raw materials, even the medical transfer pad, which is a simple medical product, is no exception. Because medical transfer pads are usually used to transfer patients, there are very strict standards on the use of raw materials. At present, the materials commonly used in the production of medical transfer pads generally include PVC, polyurethane PU, and ordinary silica gel. Let's briefly understand the characteristics of different materials.


The raw materials commonly used in the production of medical transfer pads generally include the following:


● silica gel


Alias: silicone rubber, transparent or milky white granular solid. It has an open porous structure, strong adsorption, and can absorb a variety of substances. If moisture is absorbed, the moisture absorption amount is about 40%. If cobalt chloride is added, it will be blue when dry and red after water absorption.


●PVC


The main component is polyvinyl chloride powder, and other components are added to enhance its heat resistance, toughness, ductility, etc. alcohol and concentrated sulfuric acid are mixed in 1:3 to produce vinyl chloride at 170 ° C. after mixing with ethylene, dichloroethylene will be produced; Dichloroethylene can be converted into chlorinated vinyl, which is the basic component of polyvinyl chloride. The chlorinated vinyl molecules are connected together to form a polyvinyl chloride chain in the polymerization process. The transfer pad made of this material is characterized by light weight, heat insulation, heat preservation, moisture resistance, flame retardancy, strong bending strength and impact toughness, and high elongation when broken.


●PU


Polyurethane is a common polymer material. Polyurethane is a new organic polymer material, which is widely used in many fields of national economy because of its properties. Pu product transfer pads are mainly used in light industry, chemical industry, electronics, textile, medical treatment, construction, building materials, automobiles, etc. The castable polyurethane used in the production of anti-skid pads is the polyurethane elastomer, which is a kind of polyurethane elastomer with wide application and large output. The specific applications include printing and conveying rubber rollers; Profiled rubber roller; Oil seal, washer ball joint, bushing bearing; O-ring; Support pad; Sole, back root and toe wrap; Lining; The hardness range of the selected elastomer is different in different application fields such as gears. The advantage of applying to the transfer pad is that it has strong adhesion and adhesion.


The above is a brief introduction to the characteristics of the commonly used raw materials of the transfer pad. Our company specializes in the production of all kinds of transfer pad products. The product quality is reliable and the use effect is excellent. If the relevant enterprises have the need to purchase this product, please call our hotline directly for consultation. We will provide services wholeheartedly.


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