classification

PRODUCTS
PRODUCTS
  • Alumina hollow ball brick-alumina insulating brick
  • Application:
    Used for lining heat-protection material of industrial furnaces in industries such as metallurgy, petrochemical, magnetic materials, powder metallurgy, machinery and electron. etc
    Feature:
    Add composite binding agent based on the host materials alumina hollow ball and a-Al203, vibration and pressurization for molding, it is of high temperature of load soften-ing, small vibration burning wire, which is the ideal lining material of industrial furnace below 1800C
    Physical and chemical indicators:

    Name of commodity
    Performance and index
    Alumina hollow ball product Alumina insu lat ing brick
    Bulk density £®°ś£© 1£ģ2°™1£ģ5 1 1.2
    Compressive strength at ambient temp Mpa 10 4 5
    Linear change on reheating °ś°Ńhr £• °‹ 1800°Ń40.3 1650°Ń60.4 1650°Ń60.3
    Apparent porosity £• 60-70 °° °°
    A12O3£• °› 98.5 88 92
    SiO2£• °‹ 0.2 °° °°
    Fe2O3 £• °‹ 0.1 0.4 0.4
    Heat conductivity°‹350°ņ20°św£Įm.k 0.6-0.9 0.5 0.65
    Highest use temp °ś 1800 1500 1550
    Load softening temp °ś 1750 °° °°
    Heat shock stability °ś£Įtimes 1100 Air cooling£ĺ20 °° °°

    The actual parameters can be adjusted according to the requirements of users.

Dongtai Huanghai Refractcries Factory all right reserved
Contact:Zhai Zhi Hui 18962038246°°Tel:0086-0515-85545098
Fax:0086-0515-85541768°°Email:zzh@hhnhcl.com°°Website:http://www.hhnhcl.com
Add£ļDongtai Hougang Town Industrial Park, Jiang Su Province°°Record number:Su IC standby 10223517°°Technical support:Sike Network