Chemguard 3% AR-AFFF Low Temperature is a specially formulated, aqueous film forming, free flowing, viscous foam concentrate. It forms a vapor suppressing aqueous film on hydrocarbon type fuels or a polymeric membrane on polar solvent/water miscible type fuels.
Chemguard 3% AR-AFFF Low Temperature is a specially formulated, aqueous film forming, free flowing, viscous foam concentrate. It forms a vapor suppressing aqueous film on hydrocarbon type fuels or a polymeric membrane on polar solvent/water miscible type fuels. C33LT is intended for use at a proportioning rate of 3% (3 parts C33LT concentrate to 97 parts water) on hydrocarbon fuels such as gasoline, kerosene, diesel, etc., and on polar solvent/water miscible fuels such as alcohols, ketones, esters, etc.
FOAMING PROPERTIES Aspirating type discharge devices typically generate expansion ratios between 6-10 to 1 when 3% AR-AFFF Low temperature is mixed with water at the correct ratio. Non-aspirating type devices will typically generate expansion ratios of between 2-4 to 1. Expansion ratios are dictated by the type of discharge device, flow rate and discharge pressure.
Cannot be used in sub-surface applications with polar solvent type fuels.
TYPICAL PROPERTIES AT 77ºF (25ºC)
*Brookfield #4 Spindle at 30 rpm
APPLICATION RATES Recommended Type II (Foam Chamber) application rate on hydrocarbon type fuels is .10 gpm/ft² and on polar solvent type fuels is .15 gpm/ft². On the following specific polar solvent type fuels these are the recommended minimum Type II application rates.
ENVIRONMENTAL IMPACT Chemguard 3% AR-AFFF Low temperature is biodegradable, low in toxicity and can be treated in sewage treatment plants. Please refer to Chemguard Technical Bulletin regarding foam products and the environment.
STORAGE If kept in the original unopened and airtight Chemguard supplied container and stored within the temperature range of 0ºF – 120ºF (-18ºC – 49ºC); a shelf life of between 20 – 25 years can be expected. If the AR-AFFF is to be stored in an atmospheric type foam concentrate storage tank whether on mobile apparatus or stationary, limit the airspace above the surface of the concentrate where possible and place a thin layer of quality mineral oil on the surface of the foam concentrate to minimize any effect from evaporation.
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