Description
USES
MasterRheobuild® 834 significantly enhances both fresh and hardened concrete properties, making it ideal for:
- Microsilica concrete
- Mass concrete pours
- Ready-mixed concrete
- Long-distance transportation of concrete
- Pumped concrete
- Concrete casting in hot climates
CHARACTERISTICS / ADVANTAGES
- Reduced thermal peaks during curing
- Extended workability for longer periods
- Lower pumping pressures
- Delayed setting time, extending workability
- Increased ultimate strength
- Reduced permeability
- Improved durability
APPROVALS / STANDARDS
- ASTM C-494 Type A, B, D, & G
- BS 5075 Part 1
PRODUCT INFORMATION
- Packaging: Available in IBC containers and 210-liter drums
- Shelf Life: 12 months from production date when stored in unopened, undamaged, and original packaging
- Storage Conditions: MasterRheobuild® 834 should be stored in a location where temperatures do not fall below +5°C. If the product freezes, thaw it at temperatures above +5°C and fully reconstitute using mild mechanical agitation. Avoid using pressurized air for agitation. Protect from direct sunlight and extreme temperatures.
- Appearance / Colour: Dark brown liquid
- Specific Gravity: 1.15 ± 0.02 at 25°C
- pH Value: > 6
- Total Chloride Ion Content: < 0.2%
APPLICATION INFORMATION
- Recommended Dosage: The optimal dosage of MasterRheobuild® 834 should be determined through trial mixes. A recommended starting range is 800ml to 2000ml per 100kg of cementitious material. For high-performance concrete, dosages up to 2000ml per 100kg can be used, subject to site-specific trials.
- Compatibility:MasterRheobuild® 834 is compatible with all types of cement and most air-entraining agents that meet ASTM standards. For concrete exposed to freezing and thawing cycles, it is recommended to useMasterRheobuild® 834along with SikaControl®-720 AER (air-entraining agent).
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