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CrackMax expansive motar or chemical stone cracking powder, Expansive grout, Soundless Cracking Agent ( SCA ) are Non-explosive demolition agents, is the commercial products that are an alternative to explosives and gas pressure blasting products in demolition, mining, and quarrying. To use non-explosive demolition agents in demolition or quarrying, holes are drilled in the base rock like they would be drilled for use with conventional explosives. A slurry mixture of the non-explosive demolition agent and water is poured into the drill holes. Over the next few hours the slurry expands, cracking the rock in a pattern somewhat like the cracking that would occur from conventional explosives.
Non-explosive demolition agents offer many advantages including that they are silent and do not produce vibration the way a conventional explosive would. In some applications conventional explosives are more economical than non-explosive demolition agents. In many countries these are available without restriction unlike explosives which are highly regulated.
These agents are much safer than explosives, but it is important to follow directions closely in order to avoid steam explosions during the first few hours after these materials are placed.
Product features:
Fast splitting time under control to assure high quarrying productivity and efficiency, Such as Black Galaxy less 2-3 hours, Tropical Brown 3-4 hours, Tan Brown 5-6 hours, South Africa red less 2-3 Hours.
Easily choose type no from -5 degree – 40 degree, CI, CII, CIII, upon local quarry are temperature.
Easy and safe usage: Just mix Crackmax chemical powder with 30% water, pour into holes, and then it expands to crack. It is environmental friendly. It releases no toxic or harmful substances of any kind.
CrackMax Expansive Mortar can be used safely, while providing controlled expansive cracking. It can also be used to achieve the perfect slabs and blocks from onyx, marble, granite, or any other type of stone. as non-explosive, soundless and safe demolition agent provides the most technically suitable, environmental friendly and cost-effective alternative solution in dimensional stone application.
Crackmax Soundless Cracking Agent are now more and more popular in the leading world's dimensional stone quarrying countries such as Spain, India, Saudi, Brazil, Turkey, Egypt, South Africa, Zimbabwe, Namibia etc.
Prodrill type | Temperature level | |
C1 | 25°C-40°C | |
C2 | 10°C-25°C | |
C3 | 5°C-15°C | |
C4 | 40°C-50°C |









How to use
Drilling
1. Drill holes using an air hammer drill and appropriate drill bit specific to the rock type.
2. Holes should be drilled no further than 30-60cm (1ft-2ft) apart. Note: In reinforced concrete recommended no more than 20cm (8") apart.
3. Recommended hole diameter 38mm - 50mm (1 ½" - 2.0"). Depth would be 70-90% of the way depending on the type of rock/material to be removed.
Mixing
1. For regular safety reasons and mixing small amounts by hand, it is recommended to use rubber gloves.
2. In a bucket, combine 1.5 Liters of water to one 5kgs bag of CRACK AGENT. Or pour water and CRACK AGENT as a rate of 1:3 units by weight.
3. Mix well, using a drill and paddle is recommended. If mixing with a stick or other method, make sure powder is completely dissolved into the water. Mix to a slurry.
Filling
1. Clean holes before filling using air hose remove excess dust from drilling.
2. CRACK AGENT slurry should be poured into holes within 10-15 min. after mixing. Do not fill to the top, only fill the holes about 15mm ( ½" to 1") from the top.
3. Mix well and pour into holes while agitating the hole to make sure no air gaps are in the hole. Example: Using a piece of rod or stick to poke holes.
4. For Horizontal holes, a grouting pump would be most reliable to poor.









Terms & Conditions of Ordering:
1 .Payment Terms:
T/T (Telegraphic Transfer) or Western Union
2. Delivery Term:
Based on order quantity, normally it takes 25 days for production.
Only 2 or 3 days if we have stock on your request size.
3. Transportation:
Sample order: we suggest Courier express or by air
Bulk order: we suggest by air or by sea.
4. Quality & Service:
A. There will be strict inspection and testing for every order before shipping out.
B Our sales team and Technical Support will response for your question within 24 hours (Holidays Excluded)
C. Free replacement will provide once the failure confirmed caused or our product quality; Not satisfied with
a refund.
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