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ROCK CRACKING AGENT

  • CHINA
  • chemshine
  • TYPE I-IV
  • CHINA
  • GREY
  • 1MT
  • ONE WEEK

Product Details

I. CHEMSHINE IS A SAFE SUBSTANCE

CHEMSHINE is not controlled by any legal regulation such as explosives and explosive agents, etc. Qualified persons are not required for handling. Demolition can be easily and safely performed anywhere.

II. CHEMSHINE IS A SOUNDLESS CRACKING AGENT

Unlike the existing methods of demolition, CHEMSHINE does not make any noise, vibration, fly rock, dust or gas. Rocks and reinforced concrete may be demolished safely without environmental pollution. Furthermore, CHEMSHINE'S expansive stress continues even after crack initiation, the crack opening distance becomes wider as time passes.

III. CHEMSHINE HANDLES EASILY

No lid (or cap) is necessary after CHEMSHINE is poured into a hole of rock or reinforced concrete, nor is tamping required as with explosives. CHEMSHINE exerts its strength in a short time. Due to BRISTAR'S strong adhesion and frictional resistance to inner surface of the hole, spurs due to heat-generation (blown-out shot) do not occur when used within the parameters as noted in the conditions. The expansive stress along the hole depth is almost constant except for that near the entrance of the hole. Generally the expansive stress loss from the hole entrance has little effect on the demolition work when hole depth is long.

IV. CHEMSHINE HAS AN EXPANSIVE STRESS OF MORE THAN 6000 t/m2

Generally, the compressive fracture stress of rocks is 1000 to 2000 kg/cm2 and that of concrete 150 to 500 kg/cm2. However, the tensile fracture stress is very small, i.e., it ranges from 40 to 70 kg/cm2 in concrete, respectively. Since demolition by using CHEMSHINE is based on a fracture due to a tensile stress, all kinds of rocks and concrete can be cracked and broken by using CHEMSHINE when appropriate holes are properly drilled.


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