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HSCA Expansive Mortar Concrete Demolition Powder 2-6 Hours Reaction Time For Tunnel Construction
HSCA Expansive Mortar Concrete Demolition Powder 2-6 Hours Reaction Time For Tunnel Construction
Specifications
Payment Terms :
L/C,D/A,D/P,T/T,Western Union
Water Consumption :
1.2L per 5kg
Application :
Tunnel Construction
Kiln Temperature :
1500°C
Model Number :
None
Brand Name :
Custom
MOQ :
1 ton
Packaging Details :
woven bag,carton,pallet
Hole Diameter :
34 mm
Alkali Content :
Low
Price :
380~650USD
Delivery Time :
7 days
Main Component :
Calcium Oxide (CaO)
Certification :
MSDS
Reaction Time :
2-6 Hours
Cracking Size :
5-20 mm
Place of Origin :
China
Description
Extra Strength HCSA Expansive Mortar
Brighttop Global Co., Ltd is the leading manufacturer of Extra Strength HCSA Expansive Mortar, a high-performance controlled expansion concrete solution designed for demanding industrial applications including mining, quarrying, tunnel construction, road expansion, building demolition, foundation removal, and urban engineering projects.
Product Specifications
Type Temperature Range
I 25°C - 40°C
II 10°C - 25°C
III -5°C - 10°C
IV 40°C - 55°C
Parameter Value
Reaction/Split Time 2-6 hours
Cracking Size 5-20mm
Distance 400*400mm
Kiln Temperature 1500°C
Hole Diameter 34mm
Water Consumption 1.2L/5kgs
Comparison: HCSA vs Traditional Expansive Mortar
Description Expansive Mortar (Extra Strength) Traditional Expansive Mortar
Production Process Large rotary kiln calcination at 1450°C, fully automated computer-controlled production Small shaft kiln calcination at 700-800°C, simple batch mixing process
Appearance Black fine powder White coarse powder
Price Relatively higher, suitable for projects requiring comprehensive cost-performance consideration Very low unit price, but higher long-term maintenance cost
Expansion Stability Balanced in all seasons, early and late stages maintain continuous compensating shrinkage Strong early expansion but unstable later stage performance, seasonal variation
Alkali Content Low alkali, corrosion-resistant, protective of steel reinforcement High alkali, long-term risk of ASR and reinforcement corrosion
Suitable Projects Basements, tunnels, water tanks, high-strength pumped concrete, municipal infrastructure, long-term waterproofing Rural floors, short-term repairs, temporary small structures
Inspection & Acceptance Stable batch quality, third-party testing pass rate high Unstable batch quality, difficult to pass large project inspections
Construction Adaptability Excellent pumpability, good compatibility with admixtures Great pumpability, prone to segregation and bleeding
Safety Cautions & Operating Procedure
Important Safety Guidelines:
  • Maintain hole spacing between 30-60 cm when using rock expansive cracking agent
  • Thoroughly clean holes with an air blow gun before filling with expansive slurry to remove dust and debris
  • Workers must wear protective goggles and rubber gloves during pouring operations
  • Control drilling depth within 90% of total material depth (optimal range: ~70%), never drill through. Maintain 10-15 cm of rock/concrete at bottom
  • Ensure a free surface (open face) is available in the breaking direction for safe and effective operation
  • Clean holes again using an air blow gun before filling with expansive slurry
  • Avoid positioning heads directly above holes during filling to prevent gas or slurry ejection
  • In case of skin or eye contact, rinse immediately with clean water and seek medical attention
  • Fill slurry evenly to about 15 cm below hole mouth, stir to eliminate air pockets, then seal and cover with straw mats
  • Personnel should not remain on-site for at least three hours after filling. Maintain safe distance if presence is necessary
  • Thoroughly wash all exposed skin after operation completion to prevent irritation
HSCA Expansive Mortar Concrete Demolition Powder 2-6 Hours Reaction Time For Tunnel ConstructionThe expansive mortar (Extra Strength) production line
HSCA Expansive Mortar Concrete Demolition Powder 2-6 Hours Reaction Time For Tunnel Construction
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Product Detail
Payment Terms :
L/C,D/A,D/P,T/T,Western Union
Water Consumption :
1.2L per 5kg
Application :
Tunnel Construction
Kiln Temperature :
1500°C
Model Number :
None
Brand Name :
Custom
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HSCA Expansive Mortar Concrete Demolition Powder 2-6 Hours Reaction Time For Tunnel Construction

Brighttop Global Co., Ltd

Verified Supplier
1 Years
hunan, changsha
Business Type :
Manufacturer, Exporter
Main Products :
Expansive Mortar, Thread Button Bit, DTH Drill Bits
Total Annual :
500-1000
Employee Number :
50~100
Certification Level :
Verified Supplier
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