High power demolition agent.
Quimacer's expansive cement is used to break, cut and demolish rock and concrete easily and safely. It is the best alternative for demolition in those areas where it is not possible to use explosives or heavy machinery.
Quimacer expansive cement does not produce vibration, does not produce hammer noises, does not produce explosions, does not produce gases, does not produce sparks. It is the alternative to the conventional explosive, and the Chopper machines, making it safer and more economical.
When mixing the Quimacer expansive cement with water, a chemical reaction of hydration occurs, which generates an expansive force greater than 5000 T / m2, generating the break in that contact area.
For most of the materials to be knocked down, an expansive pressure of 3000 T / m2 (Tons per square meter) is sufficient
It is important to prepare the mixture correctly to get the best performance from the product.
It must be thoroughly mixed with clean, cold water (in summer never above 12ºC) in a proportion of 30% of the total weight.
1.5 - 1.7 liters of water should be mixed for each 5 kg bag of cement in a long container, and then gradually add the powder in the water, stirring at all times to obtain a smooth and lump-free mixture.
The holes must be drilled to allow a free face for the EXPANSIVE CEMENT to push.
For example, drilling at a 45º angle on a flat surface will push it up, but drilling straight down may not allow any pressure release.
Make sure that there is no water or residue left inside the holes before filling them with the mixture.
The cement will gently pour over the holes, preventing air bubbles from being trapped.
It should be used within 5 minutes after preparing the mixture.
The cement increases its volume when it sets, exerting on the rock a sufficient tension to cause its breakage.
The enormous expansive force of QUIMACER EXPANSIVE CEMENT manages to break the rock with ease.
The breaking surface can be controlled with a good drill design, so the rock breaks following the imposed fracture line.
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