Last post, we talked about the importance of biocides in system maintenance. Now, we will tackle the different products available through QualiChem Technologies. Each formulation is function-specific and dependent on a system’s make up:
FORMULA 4603 (1.5% isothiazolin) is a non-oxidizing biocide used in recirculating cooling water systems and closed loop systems to control microbial growth. It is a non-foaming solution that is compatible with halogen biocides. A top of the line product!
FORMULA 4615 (30% carbamate blend) is another non-oxidizing antimicrobial product used in recirculating cooling water systems and closed loop systems. This is one of the best biocides over a wide pH range, without adversely affecting treatment components.
FORMULA 4621 (5% DBNPA, 2,2-dibromo-3-nitriloproprionamide) is a non-oxidizing formula that offers excellent broad spectrum. It is a quick-kill solution that rapidly degrades in aqueous environment. Its oxidation potential is lower than chlorine and bromine.
FORMULA 4634 (4% terbuthylazine, 2-(tert-butylamino)-4-chloro-6-(ethylamino)-s-triazine) is used in recirculating cooling water systems to inhibit algal growth. It is compatible with oxidizing biocides and does not affect the system’s component upon application.
FORMULA 4645 (45% glutaraldehyde) is an FDA-approved microbiocide that offers excellent broad spectrum. It is fast acting, non-foaming, and also compatible with halogen biocides.
All of the products are normally shot fed to the water system and fed directly from the shipping container. Tanks, pumps, piping, and valves should be made of stainless steel, polyethylene, or PVC. Products should be kept in a tightly closed container when not in use and should be stored indoors. Recommended storage temperature is 10°C - 40°C (50°F-100°F). When consumed, do not reuse container and dispose it in compliance with federal, state/provincial, and local laws and regulations.
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