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Songwoo Chemience Co., Ltd
[Korea]
Address:
916-3, Sagok-Ri, Jangan-Myun, Hwasung-Si Gyeonggi-do 445-942 Korea
Phone:
82-31-3516961
Contact name:
Lim kwang soo , vice president









Songwoo Chemience Co., Ltd

 
Leather chemicals

Fungicide in tanneries; Busan 30L

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 Origin

USA

 Brand Name

Busan 30L


.World's leading leather fungicide
.Formulated specifically for leather use
.Disperses in high electrolyte solutions
.Solvent based

Busan 30L is an effective and economical microbicide for preventing fungal attack of skins and hides during tannery processing and subsequent storage. It is specifically recommended for use in chrome tanning to prevent leather damage and consequent losses caused by microorganisms.

Application
Because of its moist condition and acidic pH, chrome-tanned stock held "in the blue" readily molds and may become discolored. Severe mold growth at this stage will usually cause permanently discolored areas that influence subsequent finishing operations and reduce the value of leather. Treatment with Busan 30L will eliminate mold growth on chrome-tanned stock when used along with good sanitation procedures.
Busan 30L should be applied as a dispersion in water. Satisfactory dispersions using 1 part Busan 30L and 3 parts water can be prepared with proper addition sequence and sufficient agitation. Busan 30L should be added to the water as opposed to the water being added to Busan 30L. Higher dilutions such as 1 part Busan 30L to 19 or more parts of water are preferred where such dilutions can be conveniently used in the tanning process. Dispersions of Busan 30L in water remain stable for only a short period of time. It is recommended that such dispersions be prepared immediately prior to addition to the tanning process. Busan 30L is adsorbed on the hide and dispersions of Busan 30L in water must be added in a manner to ensure uniform distribution over the entire skin or hide. The preferred points of addition are the pickling liquor or chrome-tanning liquor. If added to pickling liquor, It is very important that additions be made following neutralization of any residual lime or alkaline salts by the acid pickling liquor. Under no circumatances should Busan 30L be added to solutions or hides when the is above 8.0.
Under some circumstances it may be advantageous to make split additions of the Busan 30L dispersion with approximately one-half added to the pickling liquor and the remainder to the tanning liquor.
An alternate addition procedure would be to add approximately one-half of the required amount of Busan 30L dispersion to the tanning drum or vat as the initial tanning liquor charge is made. The remainder of the dispersion can then be added directly to the drum or vat with vigorous mixing just after mid-point of the tanning cycle has been completed.
Suggested treatment rates are 0.25 to 2.0kg of Busan 30L per metric ton(0.25 lb to 2.0 lb per 1000 lb) of white stock weight. Treatment rates will vary depending on factors such as relative fat content of the skins or hides, thickness or density of the stock, subsequent washing, neutralizing, chemical fixing agents, and the degree of preservation required for specific storage conditions. The higher treatment rates are required where skins or hides.

*** Typical product characteristics ***

Active ingredient
2-(Thiocyannomethylthio)benzothiazole.................................. 30%
Insert ingredients......................................................................... 70%
Density(at 25 degree)................................................................... 1.08mL
Weight per U.S. gallon.................................................................. 9.0lb
Volume per kilogram..................................................................... 925mL
pH(100ppm in distilled water)..................................................... 6 - 7
Flash point....................................................................................... 49 degree


Related Keywords: Fungicide

  Material

2-(Thiocyanomethylthio)benzothioazole

  Packaging

210.9kg per dum


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