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GAYREX ® (Silicate)
Acid and Alkali Resistant Silicate Cement

GAYREX the standard silicate cement was developed to solve corrosion problem involving oxidizing acids. It is the only cement that will resist high temperatures above 900 0C and highly concentrated solutions. It is specially recommended for the construction of Chimneys, Incinerators, Roasters and other high temperature equipments. Due to its high porosity and relatively low strength. GAYREX is not recommended for use in water, alkalis, dilute acids solutions and extreme tribunal conditions.

CHEMICAL RESISTANCE

GAYREX is resistant to: Oxidizing acids, inorganic salts, and most organic
solvents.

PREPARATION OF GAYREX MORTAR

GAYREX mortar is prepared by combining. One part of GAYREX liquid and three part of powder to from workable mixture. (ratio depends on temperature, conditions and workman preference).

PHYSICAL & CHEMICAL PROPERTIES (when completely set)

Colour Off white
Density 1lbs / cu. ft. 124
Flexure Strength 40
Compressive strength 150 kg/cm2
% water absorption 18 #
Temperature capacity up to 950°C
Mixing Ratio (Powder: Solution) 3:1
  # Absorption of Toluene

     

INSTRUCTION

  • Transfer calculated quantity of GAYREX liquid In a shallow mixing pan.
  • Add desired amount of GAYREX powder and mix thoroughly to get a smooth mortar of desired consistency.
  • Mix thoroughly till the mortar is free from lumps and entrapped air.
  • Before preparing further batches in the same pan, make sure that the GAYREX mortar of the previous batch is removed from the pan.

APPLICATIONS

Buttered GAYREX mortar on acid proof bricks using general brick laying method. Paint HARDENED JOINTS with 10% Hydrochloric acid.      

STORAGE

GAYREX AND GAYREXLIQUID CAN BE STORE IN A DRY PLACE.

PACKING

GAYREX POWDER GAYREX LIQUID
50 Kgs plastic lined gunny bags 20 Kgs Drum.

GAYREX POWDER AND GAYREX LIQUID is supplied in separate containers for on-the spot mixing.

Note: This leaflet is for reference and does not give description of goods.

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