Refractory grout in 20 kg bag

Refractory grout is a product specially designed for applications requiring high heat resistance.

Formulated from grog and raw clay with 42% alumina, this very fine 0-1 mm grain size grout is used for various applications:
✅ Jointing of dense or insulating firebricks.
✅ Making expansion and insulation joints between two structures.
✅ Additive for sprayable castables.

It is sold in 20 kg bags and comes as a dry powder to be mixed with water.
⚠️ The product has a ceramic set, which means that a rise in temperature is needed for the grout to harden and thus ensure the sealing and solidity of the whole.

➡️ This grout allows very fine joints of between 0.5 mm and 4 mm.

Chemical analysis:
Al2 O3: 41.10
Si O2: 55.10
Ti O2: 1.40
Fe 2: O3 1.60
Ca O: 0.30
Mg O: 0.20
K2 O: 0.80
Na 2: O 0.10

Instructions for use:
- Preparation to be mixed with water to give a semi-fluid mix.
- Theoretical quantity for very fine 1 mm joints: 20 kg for 100 standard bricks laid flat.
- Allow to dry for several days and ventilate the room so that the water evaporates.
- Once dry, and for a good ceramic set of the product, it is advisable to raise the temperature gradually: a small fire on the first day, a bigger one on the second day and a large fire on the third day up to a temperature of at least 700°.
⛔ Never mix with cement.

Storage:
The product has no expiry date under normal sheltered conditions.