b'Baghouse Maintenance / PowdersLeak Detection PowderLDP (Leak Detection Powder) is an aid in finding those troublesome leaks in your baghouse. When you inject the leak detection powder into your baghouse inlet, the powder travels throughout the baghouse, making the leaking area visible when you use a black light. The faulty area shows up as a bright colored powder marking.FormulaFor leak powder quantities: using inches for measuring diameter and length:diameter of bagX3.14Xlength of bag Xquantity of bags144=total sq. ft. of filter cloth area.LDP is available pink, green, yellow,purple, orange and blue. 1 lb. of leak detection powder per 1000 sq. ft. of filter cloth is required to perform the leak detection test, so total sq. ft. of filter cloth area, 1000 sq. ft. = 1 lb. of LDP needed.Pre-Start PowderPRE-GUARD (Pre-Start Powder) is used as an initial protective layer on the filter bags. It also helps in the release of the dustcake during the cleaning cycle, improves initial efficiencies and protects the bags during critical initial startup after rebagging. FormulaFor Pre-Guard powder quantities: using inches for measuring diameter and length:diameter of bagX3.14Xlength of bag Xquantity of bags144=total sq. ft. of filter cloth area. 1 lb. of Pre-Guard powder per 20 sq. ft. of filter cloth is required to pre-coat the bag, so total sq. ft. of filter cloth area, 20 sq. ft. = 1 lb of Pre-Guard powder needed.PRE-GUARD powder is available in approx. 30 lb bags.24 www.standardfilter.com1.800.634.58371.760.929.8559'