STANDARD
ASTM C827 / C827 M, ASTM C806, ASTM C940
Combex Concrete and mortar expander
تماس بگیرید
DESCRIPTION
Combex is an advanced concrete and mortar admixture. It provides a controlled expansion when added to concrete or mortar. Combex is used where conjunction is required.
- STANDARD
- APPLICATION FIELDS
- FEATURES
- PACKAGING
- TECHNICAL SPECIFICATIONS
- DIRECTION FOR USE
- DOSAGE
- STORAGE
- SAFETY
- Reviews (0)
APPLICATION FIELDS
- The mortar used in steel structures and heavy machinery
- Injections for dams and tunnels
- repairing of concrete structures where any shrinkage of concrete or mortar is to be avoided
FEATURES
- Provides a controlled expansion
- Prevents shrinkage and cracking
- Eliminates bleeding
- Accelerates time to obtain initial and final strength
- It can be used with all types of Portland cement
- Increases the compressive strength of concrete and mortar
- The product is free from iron particles and hence any possibility of development of points and blotches of rust is eliminated
PACKAGING
25 kg bags
TECHNICAL SPECIFICATIONS
- Physical state: Powder
- Color: Gray
- Chloride content: nil
- Expansion time: 15-120 minutes (temperature above 20 0C reduce expansion time)
- Expansion rate: 4% free expansion
DIRECTION FOR USE
Combex should be added to the concrete or mortar mixture. (About 5 to 7 minutes is necessary to combine).
Note: curing is necessary after placing concrete
DOSAGE
Depending on demand expansion in the cement and ambient temperature, a dosage of between 0.2 and 0.8 percent by weight of cement for mortar and between 1.0 and 3.0 percent by weight of cement for concrete is recommended.
STORAGE
Shelf life: 1 year in the original package
Storage condition: should be protected from direct sunlight. Keep pail in the temperature range between +10°C and +30°C
SAFETY
It should not be swallowed or allowed to contact with skin and eyes. In case of contact with eyes rinse immediately with plenty of water.
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