Why is Sandblast Rubber Hose Better?

Sand Blasting Rubber Hose is mainly made of natural rubber and styrene butadiene rubber and other rubber synthetic, has a good wear resistance, so it is used in the sand blasting machine to transport all kinds of large particles of the best choice. The characteristics of the hose is look from the exterior wall is thick, but according to the transport of granular material is different, the specifications of the sand blasting hose is divided into many, such as DN16, 3/4 ", DN25, DN32, DN38, (and so on, so the choice of sandblasting hose is different also, so how to choose the suitable sandblasting hose?What kind of sand blasting hose should be used for the following main transportation materials?

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1. General transport of river sand, fly ash, cement ash and other such materials, because their particle edges and corners are not very sharp.The wear rate of rubber hose is not high.Natural rubber with a rubber content of 50% can be used. Take DN50 products as an example, under the condition of working pressure of 10 kg, 4 layers of cord are used to strengthen and spiral steel wire is used to support the inner rubber thickness to reach more than 6 mm.

2. Concrete, steel shot and other materials have a relatively large proportion, and relatively sharp edges and corners. For the transportation of these materials, sand blasting rubber pipes are usually made of 65% natural rubber with rubber content plus a part of styrene butadiene rubber through mixing, refining, vulcanization, secondary vulcanization and other processes.Take DN50 sandblasting rubber hose as an example. Other parameters are the same, but the thickness of the inner rubber layer should reach more than 7 mm.

3. The transportation of quartz sand, coal powder and other materials is very particular, because the shape of these materials is irregular fine particles, edges and corners are very sharp, at this time to use rubber content of 70% natural rubber and neoprene mixing, and the thickness of the adhesive layer to reach more than 10 mm. Especially in front of the furnace coal conveying, the temperature is relatively high, then on the sandblast hose requirements are very high. The outer rubber shall be made of epDM resistant to high temperature, and the cord reinforcement layer shall also be made of D3 type refractory cord.

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The above several kinds of material transportation on the Sand Blast Hose requirements are different, therefore, the use of material ratio and production process is also different, of course, the stronger the hose performance is more durable. About the price of sand blasting rubber hose to be determined according to the above three kinds of conveying medium and caliber, the higher the general wear resistance, the higher the corresponding price. So according to the demand to choose the right sandblasting hose, is the most sensible choice.

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