How to choose the refractories

How to choose the refractories

Refractory varied, variety, when we should try to buy when the refractory choose the most suitable, and often the most appropriate

Is not necessarily the most expensive, but also can save us from a fee.

1.       According to high-temperature kilns required refractoriness to buy: refractoriness of 1580-1770 degrees refractory to ordinary election,

the degree of refractoriness need 1770-2000 election advanced refractory, refractoriness above 2000 degrees you need Select grade refractories.

2.       According to the chemical properties of high-temperature furnace to buy: There are three general, acidic refractories, neutral refractories, basic refractories, be sure to select the corresponding chemical properties of refractories, otherwise chemical changes occur at high temperatures, causing serious losses.

3.       According Uses Optional: Different different industries have need of refractories, refractory different position with different refractories, refractory steel with steel industry; non-ferrous metallurgical industry refractories. Refractory Petrochemical petrochemical industries. Glass kiln, cement kilns, ceramic kiln with silicaterefractories; generating boiler power industry refractories; waste incineration with melting furnace refractories.

4.       According to pre-assemble the results to buy, under normal circumstances, we require manufacturers to provide pre-assemble refractory effect, which can calculate the required specifications and quantity of refractories. At the same time we must choose refractory samples provided by the manufacturer, so that by the time of delivery can be kind of receipt, to avoid shoddy version.

5.       Branding issues, and now thousands of refractories manufacturers, big and small. If you buy the special requirements and special purpose refractories can find a Sino-foreign brand manufacturers, or specifically to do this special refractories manufacturers, of course, the price will be more expensive than domestic brands about 20%. General Refractories can choose to domestic brands, while some of the information depends on the manufacturers,

for example, whether through the ISO certification, business licenses, etc., you can also look up the Internet, or to inquire about nearly brought down the industry in which manufacturers use refractories.

6.       Service. To select more recent service outlets factory, so if an exception occurs in the brickwork, the manufacturer's technical staff can quickly arrived at the scene to avoid further loss. There are warranty issues. Under normal circumstances, the first year you have any questions, manufacturers must free one-year warranty.

7.       When determining the purchase generally need to pay a deposit, if it is convenient to go to the manufacturers should look at the way manufacturers look at the size, strength, and to avoid being defrauded false deposit.