Quick Release Polysaccharide Powder Kit for Unbonded Capping Sets
The Quick Release Powder Kit includes 8oz of polysaccharide powder in a Shaker Dispenser and 48oz of refill powder to promote quick release of Neoprene pads from Steel Retainers of Unbonded Capping Sets. Powder serves as a lubricant and bond breaker for easier change-out of pads and more consistent test results. Additional filled Dispensers or Powder Refills can be ordered in packs of two. Shaker dispensers each hold 8oz of polysaccharide powder.
Features:
- Safe alternative method for capping concrete compressive strength specimens
- Easy pad change-out and uniform test results
Included Items:
- 8oz powder shaker dispenser
- 48oz refill container of polysaccharide powdered lubricant and bond breaker
Meets Test Methods
AASHTO T22
ASTM C 1231
View the full line of Concrete Capping and Unbonded Cylinder Capping
The use of Quick Release Polysaccharide Powder in the process of unbonded concrete cylinders for concrete compression testing offers a convenient and efficient method for preparing specimens. This powder, commonly derived from plant-based sources, is specifically designed to facilitate easy demolding and removal of the concrete cylinders from their molds.
In the Unbonded Cylinder Capping testing method, the concrete specimens are cast in cylindrical molds without any capping material applied to the ends. Instead, a release agent is used to prevent the concrete from bonding to the mold surfaces. Quick Release Polysaccharide Powder acts as an effective release agent in this process.
The powder is applied to the inner surfaces of the cylindrical molds prior to pouring the fresh concrete. Its fine particles create a thin, lubricating layer between the concrete and the mold, preventing adhesion. Once the concrete has set and cured to the desired age, the molds can be easily removed by gently tapping or applying light pressure, allowing for quick and effortless demolding of the specimens.
The use of Quick Release Polysaccharide Powder offers several advantages in unbonded concrete cylinder testing. Firstly, it simplifies the specimen preparation process, eliminating the need for capping materials and the associated procedures. This saves time and resources, especially when testing a large number of specimens.
Secondly, the powder promotes consistent and uniform demolding. Its even distribution within the mold ensures that the concrete cylinders are released without damage or distortion, maintaining the integrity of the specimens for accurate compression testing.
Furthermore, Quick Release Polysaccharide Powder is non-toxic and environmentally friendly, making it a safe and sustainable choice for concrete testing laboratories.
In conclusion, the use of Quick Release Polysaccharide Powder in the process of unbonded concrete cylinders for concrete compression testing provides an efficient and reliable method for demolding specimens. Its application as a release agent enables easy removal of the concrete cylinders from the molds, facilitating accurate assessment of their compressive strength and mechanical properties.
