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Refractory Products


Gunning Refractory(Gunning Mass)

Summary:selecting optimum mixture ratio of granula grades,the gunning refractory is made from magnesia with many different additeves according to application.
Features:strong adhension,high temperature resistance,washout resistance and corrosion resistance are able to prolong the working life of furnace lining and decrease refractory consumption.
Usage:used for the lining patching of steel converter,opent hearth and electric are furnace.

Specifications;


Item

High Grade

Middle Grade

MgO(%)

86

80

Bulk density(g/cm3)

2.4

2.3

Apparent porosity(%)

27

28

Cold crushing strength(Mpa)

6

5

Cold Modulus of rupture(110íŠí┴2h) Mpa

2

1

Adhesion ratio(%)

85-90

85-90

Durability(heats)

8-15

8-10

Flowability

No blockage

No blockage

 

 

 

 

 

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