24 octobre 2013

what is Deoxidizer?

   Deoxidizer working principle is to use the oxygen in the raw material or damage the structure itself deoxidizer direct consumption deoxidizer principle to work , Here are two typical examples. 1 , general nitrogen oxygen : nitrogen oxygen content is generally universal thousands of ppm ( sometimes more ) , in addition to using hydrogen with oxygen ( oxygen using a catalyst , in front mentioned ) , but you can use copper-based or manganese products. Copper- manganese deoxidizer or the structure itself is supported... [Lire la suite]
Posté par kimmlife à 11:04 - Commentaires [0] - Permalien [#]

24 octobre 2013

what is retention aid?

Type of retention aid Retention agents currently used mainly in the following categories. ( 1 ) conventional retention aid - including unit and dual systems . They are characterized by high polymer added to the machine outlet pressure screen . Retention aids to conventional polymer -based, before you can add alum, polyaluminum chloride (PAC) or the fusing agent. Common set of agent Polyamine, Polydadmac and Polyethyleneimine. ( 2 ) particle retention aid - and microparticles by a cationic polyacrylamide composition . Microparticles... [Lire la suite]
Posté par kimmlife à 11:03 - Commentaires [0] - Permalien [#]