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Purple-K, also known as PKP, is a dry-chemical fire suppression agent used in some dry chemical fire extinguishers. [1] It is the second most effective dry chemical in fighting class B (flammable liquid) fires after Monnex (potassium allophanate), and can be used against some energized electrical equipment fires (USA class C fires). [2]
Potassium bicarbonate is used as a fire suppression agent ("BC dry chemical") in some dry chemical fire extinguishers, as the principal component of the Purple-K dry chemical, and in some applications of condensed aerosol fire suppression.
The Purple-K stream is then discharged into the blowout to "snuff" it out. These systems can be mounted on vehicles, skid mounts or installed as permanent stations. Application is from twin hose lines connected together at the nozzle, one flows the dry chemical agent and the other foam.
Higher flow rates also provide more operator protection by putting a "heavier" stream of dry chemical in between the operator and fire. This creates a temporary "heat shield" as long as the agent is being discharged because of the light color of the agent it reflects most of the radiant heat back away from the operator.
The U.S. Fire Administration says Christmas trees should be watered daily, as dry trees can burn extremely quickly. The federal agency also recommends Christmas trees to be kept at least 3 feet ...
Known as Super-K dry chemical, it was more effective than sodium bicarbonate-based dry chemicals and was compatible with protein foam. This agent fell out of favor with the introduction of potassium bicarbonate ( Purple-K ) dry chemical in the late 1960s, which was much less corrosive , as well as more effective.
Research from Capitalize found that by May 2023, 29.2 million 401(k) accounts had been forgotten. These accounts hold a whopping $1.65 trillion in assets — about 25% of all 401(k) assets in the U.S.
Earl Muetterties joined DuPont Central Research Department and was promoted to research supervisor in 1955. His early contributions were on the inorganic fluorine compounds, especially of sulfur and phosphorus. [5]
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634 S High St, Columbus, OH · Directions · (614) 221-1845