ISO9001, ISO14000 Biggest HPMA Manufacturer Homopolymer of Maleic Acid (HPMA) Competitive price & Superior quality Properties ... and high temperature tolerance properties, is widely used in desalination plant of flash vaporization equipment, low pressure boiler, steam locomotive, ... :is usually used together with organic phosphonate at dosage of 1-15ppm for circulating cool water system, oilfield fill ...