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Low Price Carborundum Abrasives Suppliers Belarus

At present, the binders used in the coated abrasive industry are mainly natural and synthetic organic polymer binders, such as animal glue, urea-formaldehyde resin, phenolic resin and alkyd resin(white corundum). Due to the differences in the types, particle sizes and specific properties of coated abrasives, the composition of the adhesive is different(white fused aluminum oxide 60 grit). One-component, two-component and multi-component.


Low Price Carborundum Abrasives Suppliers Belarus MOQ: 1 Ton! 19 Years Experience Carborundum Abrasives Supplier, 35,000m² Workshop Area, Free Samples, Fast Delivery!


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But generally speaking, the main components are: rubber material—the most important and basic component in a binder(brown fused aluminum oxide). Generally speaking, animal glue can be divided into skin glue and bone glue according to the source of its raw materials. No matter whether it is cowhide or pigskin, it can be divided into three parts: the epidermis, the dermis layer and the subcutaneous layer(brown aluminum oxide 70 grit). The epidermis generally accounts for 1% of the thickness of the cortex.


Its dosage accounts for more than 50% of the total amount of binder, it is the main factor that determines the chemical and physical properties of the binder(white aluminium oxide). The choice and amount of other auxiliary materials are determined by what kind of rubber material is selected, so the choice of rubber material is a very important part(brown aluminium oxide manufacturer). Animal glue is the binder with the largest dosage and low price in the coated abrasive industry in China.


It is a general term for glue made by processing and boiling connective tissues such as skin, bone and tendon of large mammals (mainly cattle and pigs). The gelatin is the part of good quality extracted in the process of making skin gelatin. Can be divided into photographic gelatin, edible gelatin and industrial gelatin according to its use(brown fused alumina for grinding). The coated abrasive industry mainly uses industrial gelatin, leather glue and bone glue.


It can dissolve in alkaline water and has no value in rubber making(white fused alumina). The dermis layer accounts for about 85% of the thickness of the cortex, and can be divided into two layers. The outer layer is the nipple layer, also known as the thermostatic layer, and the inner layer is the mesh layer, accounting for about 70 ~ 80% of the dermis layer(white aluminum oxide 220 grit). The dermis is connected by gelatin The tissue fibers are interwoven and are the main raw material for making rubber.


It is composed of loose and extremely irregular connective tissue fibers, which are mixed with a large amount of muscle tissue, vascular nerve tissue and fat tissue(black aluminum oxide). There will be a small amount of prion tissue in the subcutaneous layer, and a small amount of glue can be produced, but the quality is poor and there are many impurities(green carborundum). The skin contains water, fat, minerals and protein according to its chemical composition.


At the same time, in order to maintain the unique flexibility and foldability of the abrasive itself, the binder should also have a certain elasticity(white aluminum oxide). Protein accounts for about 33%. The two can be divided into several parts. It is the real raw material for rubber making. It accounts for about 98% of the dry matter of the dermis(white aluminium oxide manufacturer). It is present in large amounts in the white fibers of the connective tissue of the dermis.


The subcutaneous layer is not a real skin, but a transition body combining the skin and the animal body, and the thickness varies according to different animals and different parts of the animal(pink aluminum oxide). For dry skin, it can account for 90 ~ 95%. Protein can be divided into two parts: structural protein and non-structural protein(silicon carbide companies). The most commonly used adhesives for the production of coated abrasives are animal gum, phenolic resin, alkyd resin, etc.


white aluminium oxide
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Brown Fused Alumina And White Fused Alumina MOQ: 1 Ton! 19 Years Manufacturing Exprience, 35,000m² Workshop Area, Factory Price, Free Samples, Fast Delivery!

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