DB 20

Place Of Origin
China (Mainland)
KG
10
Minimum Order
1
Packaging
25kg/200kg PE drum.
Delivery
7 Days

DB20 water treatment microbiocide is an aqueous formulation containing a 20% w/w concentration of DBNPA(2,2-dibromo-3-nitrilopropionamide) which is a broad spectrum, fast acting control of bacteria,fungi,yeast and algae, also known as DBNPAa non-Oxidizing and highly effective biocide with proven performance in the past 5 decades. DB 20 issimilarwith famous brand AQUCAR RO-20 and Aqucar DB 20 etc.

1.Active matter

DBNPA(2,2-dibromo-3-nitrilopropionamide)

2.Specifications

2.1Appearance(20°C):colorless to yellowish transparent liquid

2.2pH:2.0–5.0

2.3Assay (Loss on drying):19–21%

2.4Density kg/m3 1.150-1.250

3.Properties

3.1Odor:Low, mildly antiseptic

3.2Boiling Point:>120℃ for solution, but active ingredient

decomposesprior to boiling

3.3Vapor Pressure(DBNPA):2*10-5mmHg@25℃

3.4Solubility:soluble in waterin use of concentration

4. Key Benefits

4.1 DB 20 water treatment microbiocide is a fast-acting biocide.

4.2 DB 20 rapidly decomposes in aquatic environments with only carbon dioxide,ammonia,and bromide ions remaining as end products.

4.3 DB 20 is compatible with chlorine

4.4 DB 20 is completely miscible with water and easily dispersed upon introduction into a water system.

4.5 DB 20 is a broad spectrum antimicrobial,effectively controlling fungi,yeast,bacteria and algae.

5.Applications and Use

5.1 –Recirculating water cooling towers

Intial Dose: 0.05%-0.10%

Subsequent slug doses: 0.01-0.03%

5.2 –Pulp,paper and paperboard mills

Item Dose ML per ton of paper dry basis
Heavily fouled systems Dose after boiling out 53.0-128.7
Moderately fouled system Initial dose 128.7-189.3
Subsequent dose 53.0-128.7
Slightly fouled systems Initial dose 53.0 to 128.7
Subsequent dose 53.0 to 128.7

Heavily fouled systems should be cleaned before treatment is begun.

5.3 –Enhanced oil recovery systems

Item Dose ppm base on system volume
Intermittent of Slug method Initialadose 10 to 80
Subsequent dose 10 to 80
Continuous feed method Initialbdose 10 to 80
Subsequentcdose 1 to 15

a: Add intermittently for 4 to 8 hours per day, and from 1 to 4 times per week,or as needed depending on the severity of contamination.

b: Add continuously until the desired degree of control is achieved.
c: Add continuously or as needed to maintain control

5.4 Use with Biopolymers

Add 15-80 ppm of DB 20

6.Storage

25kg/200kg PE drum. A shelf life of 1 year is expected if material is stored in sealed original packaging.

  • Country: China (Mainland)
  • Business Type: Trading Company
  • Market:Africa,Americas,European Union,Oceania
  • Founded Year:2013
  • Address:No.1619 Huishan avenue,Huishan district
  • Contact:Steven mao
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