Definition
silica sand refractory acid lining dry out is an unshaped refractory material which is prepared by ramming (manual or mechanical) method and hardened by heating at a higher temperature.Ramming materials into acid, neutral, alkaline three
Feature
1.On the face in contact with liquid metal there is a dense sintered layer where tightness of liquid metal is quite perfect.
2.Thermal conductivity is lower than other refractoriness so the Thermal loses are less than any other kind of refractory.
3.Good resistance to temperature change.
4.Low cost in furnace lining.
5.Short heating and sintering time through dry preparation Of masses.
Data
| Silica ramming mass | ||||
| Item | HDD-1 | HDD-2 | HDD-3 | |
| Max. temperature/ºC | 1650 | 1650 | 1650 | |
| Component | SiO2 , % | 99.2 | 98.2 | 96 |
| Al2O3, % | 0.4 | 0.5 | 0.6 | |
| Bulk density g/m3 | 2.15 | 2.02 | 2.0 | |
| Application | Used for Coreless induction furnace working lining and Channel furnace inductor lining. | |||
Packaging&Shipping
refractory acid Silica sand with standard marine ton packing Or at the request of the customer.
With the company healthy and fast development, refractory acid Silica sand had been sold to all over the country, such as Vietnam, India, Korea, Pakistan, kazakhstan, Iran and other southeast Asian countries and regions.
Application
refractory acid Silica sand are divided into acid ramming materials. It is used as the lining of coreless medium frequency furnace and cored induction furnace. It is very suitable for melting gray cast iron, cast iron alloy, melting carbon steel, alloy steel, high manganese steel, stainless steel, melting aluminum and its alloy, melting copper, brass, white copper and bronze and other copper alloys.
Gongyi Hongda Furnace Charge Co., Ltd. is a comprehensive refractory enterprise integrating r&d, production and trade. The company mainly produces , refractory castables ramming mass, plastic and other unshaped refractory materials, fired bricks and insulation materials. Products are widely used in steel, nonferrous metals, building materials and power industry.
Hongda company has two produtction lines for refractory castables and respective production lines for shaped refractories, plastic refractory, three production lines for thermal insulation products. With annual capacity of 15000 tons of various castables, 30000 tons of shaped precast products, and 10000 tons of moldable refractory, thermal insulation products 50000 tons.
Qualification
