Tel: 0086-571-63806068,63711876,63665132

Hangzhou Jingyi Chemical Co.,Ltd
Tel: 0086-571-63806068,63711876,63665132
Fax: 0086-571-63751569,63806098
ADD: NO.68 Huaqiao Road, Lin'an City, Zhejiang Province, China PC:311300
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Products Specifications:
Foundery Grade Bentonite
It is mainly used as molding sand adhesives in cast iron,cast steel.It has higher content of montmorillonite,better green strength and hot strength,higher swelling property and better heat stability compared with similar domestic products. Using BK®-035A can reduce the dosage of bentonite and water content of sand system, increase the intensity and flexibility of molding sand, improve ventilation, apparently improve the quality of cast,reduce waster. 
Technical Data: 
Item BK®-035A
Methylene blue index g/100g ≥37
Green strength kpa ≥120
Hot strength kpa ≥3.5
Heat stablility 600℃1h,kpa ≥20
Swell index ml/3g ≥90
Moisture % ≤12
200 mesh(%pass)75μm% ≥90

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