2 - phosphonic acid butane 1, 2, 4 tricarboxylic acid (PBTCA) is an excellent corrosion and scale inhibitor. 

PBTCB developed by our company, has the same functional groups as PBTCA, with the superior performance, excellent prices, high cost performance, which is of the price competive advantage and prospect. 

1. PERFORMANCE & CHARACTERISTICS 

1. This product has excellent performance on scale and corrosion inhibition, which is better than PBTCA. This product is suitable for all kinds of industrial circulating water system, can be widely used in the scale inhibitor compound formula, can also be used as the chelating agent and metal cleaning agent in the washing industry. 
2. It will has good performance when interworking with zinc salt. 
3. Low phosphorus content, the same with PBTCA, suitable for low phosphorus formula, and accord with environmental protection requirement. 
4. It has low cost, has superior cost performance. 

2. DOSAGE 

PBTCB is commonly used with other water treatment agents, such as zinc salt, copolymer, organophosphor and azole. When used alone, its dosage is 5 ~ 20 mg/L. 

3. PACKAGE AND STORAGE 

Packed in 25 kg or 200 kg plastic drums, stored in a cool and dry place, and valid for one year.