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Hvac Circulating Water Chemicals

Non-Oxidizing Biocide MST802B

MST802B is a composite quaternary ammonium salt bactericide and algicide containing organic bromine, ketones and other active components, used as a biocide and slime stripping agent in open industrial circulating cooling water systems.

Technical data from shfyhb.com

Non-Oxidizing Biocide MST802B

Appearance: Slightly blue transparent liquid
pH (original liquid): 6.0~8.0
Amine salt content % ≤: 2.0

1. Performance and Application Bactericide MST802B is a composite quaternary ammonium salt bactericide and algicide containing organic bromine, ketones and other active components, featuring high efficiency, broad spectrum, strong penetrating power, ease of use, and a relatively wide applicable temperature and pH range. Bactericide MST802B is suitable for use as a bactericide, algicide and slime stripping agent in open industrial circulating cooling water systems in power plants, chemical plants, fertilizer plants, oil refineries, metallurgy and other industries. 2. Technical Indicators Appearance: slightly blue transparent liquid Active component content % ≥: 8% Amine salt content % ≤: 2.0 pH (original liquid): 6.0~8.0 3. Usage First, shock dosing is adopted, with a usual dosage of 100~200 mg/L, which has a killing effect on bacteria and algae. When algae are abundant, if a rapid stripping effect is desired, the dosage may be appropriately increased. Second, a metering pump is used to add it with make-up water, at 15-25 grams per ton of water. 4. Packaging and Storage Bactericide MST802B is packed in plastic drums, 25 kg per drum, or as determined according to user requirements. The storage period is twelve months. 5. Safety and Protection Bactericide MST802B has strong irritation to skin. Pay attention to labor protection during operation and avoid contact with skin, eyes, etc. After contact, rinse with plenty of water.

Specifications

Appearance
Slightly blue transparent liquid
pH (original liquid)
6.0~8.0
Amine salt content % ≤
2.0
Active component content % ≥
8%

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Technical data from shfyhb.com

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Appearance: Colorless to slightly yellow transparent liquid
pH (original liquid): 6.0~8.0
Active component content % ≥: 10.0

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MST802A is a composite chlorine-containing bactericide and algicide used as a biocide and slime stripping agent in open industrial circulating cooling water systems.

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Technical data from shfyhb.com

Scale and Corrosion Inhibitor MST400

Appearance: Light yellow to brownish yellow transparent liquid
Solid content % ≥: 20.0
pH (1% aqueous solution): ≤3

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Scale and Corrosion Inhibitor MST400

MST400 is an open-circuit circulating water corrosion and scale inhibitor composed of organic phosphonates, polycarboxylic acids, sulfonate-containing copolymers and azoles, used for scale and corrosion control in open circulating cooling water systems.

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Technical data from shfyhb.com

Biocide MST220

Appearance: Colorless to slightly yellow transparent liquid
pH (as is): 6.0-8.0
Density (20°C) g/cm3 ≥: 1.07

Hvac Circulating Water Chemicals

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MST220 is a compound bromine-containing quaternary ammonium biocide developed by the company for central air-conditioning closed water systems.

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