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“ The quality is the first priority for manufacturers should take into consideration.
Merc's operating philisophy is to producing the highest quality products among the industry."
— CEO of MERC. Professor Wang.

Fused Silica Modular Block

SiO2:≧ 96.6%
Al2O3:≦2%
CaO:≦1%
Bulk Density:≧1.9g/cm3
Apparent Porosity:≦18%
Introduction
Fused silica modular block is first developed and introduced to solve the limit of dimension and shape for traditional fused silica.
By the applying the modules,installation could be made much faster with less manpower and less downtime which brings much benefit for users.
Features
Capable of super complicated shapes and very big blocks;
No expansion and excellent thermal shock resistance;
Less joints and shorter lead time;
Less labor intensive,fast installation;
Less interruption to production,quick heat-up after repair which benefit the users.
Application
Coke Oven Hot Repair
Glass Furnace Damper,Tweel,Doghouse Arch,Canal
Specification
Properties Unit Limit CAST-99
Precast
CAST-99G
Precast
Chemical Composition                            SiO2     % 96.6 97.0
Al2O3 % 2 -
Fe2O3  % - 0.2
CaO % 1 1
Bulk Density                     g/cm3 1.9 1.9
Porosity                                  % 18 16
Cold Crushing Strength                     Mpa 40 45
Thermal expansion                            1000℃ % 0.2 0.2
Thermal Shock Resistance 1100℃ with water cycles 30 30


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