Technical Brochure Cryotech CF7^®

Advantages of CF7 ®:

CF7® is a high performance, environmentally responsible alternative to glycol and urea based products. Cryotech CF7® offers these advantages:

Low Corrosion -- Contains no chlorides
High Performance -- Effective to -26°C (-15°F) and below
Safe for the Environment -- Non-persistent and biodegradable
Dual Purpose -- For prewetting solids or direct application
Safe to Use -- Low toxicity to humans and aquatic organisms
Easy to Handle -- A clear liquid, no agitation required
Lasts Longer -- Requires fewer applications

Based on the characteristics of CF7®, and on the best information available to Cryotech, CF7® is neither listed as a hazardous waste, nor does it exhibit any of the characteristics that would cause it to be classified or disposed of as a RCRA hazardous waste. For this and other reasons, CF7® may be considered an important tool in managing environmental issues associated with storm water run-off.

Product Performance and Application Rates

Prewetting Agent

CF7 is an effective prewetting agent for CMA, road salt, other solid deicers, and sand. Because CF7 has a very low freezing point (-60°C) and is a clear liquid free from matter in suspension, it significantly improves the performance of solids and does not clog spray nozzles. Application rates follow, and should be considered starting points, as local conditions have a significant effect on fluid requirements.

CF7 will speed the effect of solid deicers and abrasives. CF7 is applied at the spreader outlet, typically for prewetting rates of 5% to 15% by weight of solid material.

Apply 130 g/kg of deicer or sand

Anti-icer

CF7 is an effective anti-icer, sprayed on the pavement before precipitation actually starts. A high traction film then exists to prevent adhesion of ice and snow, which is then mechanically removed. Uniform coverage and frequent plowing to prevent fluid dilution are important considerations in an anti-icing program. This technique is commonly used to keep bridge decks from freezing.

CF7 is most effective when applied uniformly to pavement surface before freezing precipitation. Prompt mechanical removal of snow and ice is necessary to reduce fluid dilution. Additional applications may be necessary if snow and ice begin to bond to the surface.

Apply 25 g/m²

Deicer

Experience suggests that CF7, when used as a deicer, may be applied in an even film or in bands on 10-15 cm centers. Banding the fluid minimizes dilution from melting, allowing CF7 to penetrate to the pavement to break the bonds of ice and snow prior to mechanical removal. Suggested application rates follow. CF7 is also used as an aid to solid deicers in heavy ice situations. Here, a solid deicer is first applied to punch holes in the ice. Then, CF7 is applied over the top, penetrating through the holes to the surface, quickly breaking the ice-to-pavement bonds so that mechanical removal can be more easily accomplished.

CF7 is an effective deicer when applied in an even film or in bands on 10-15 cm centers. The deicer penetrates to the pavement surface and breaks the bond of ice and snow prior to mechanical removal. Banding reduces dilution from melting and allows the fluid to penetrate. The amount of deicer needed varies with temperature and thickness of snow or ice, but should be in the following ranges.

Apply on thin ice 50 g/m²
Apply on 2.5 cm ice 150 g/m²

Other Applications

CF7 can also be used to:

Coat rail and truck beds, non-porous roofs, road signs, etc. so snow and ice do not adhere
Keep rail switches open
Free manhole covers, truck scales
Keep conveyors ice-free
Keep lavatory systems from freezing.

Cryotech CF7®

Technical Brochure Cryotech CF7®