聚丙烯酸鈉對膠體懸浮液有很好的凝聚（螯合）作用，這來源于它的表面電荷的中和特性，即它與帶正電荷的懸浮粒子構(gòu)成準離子鍵，這時由于靜電斥力，聚丙烯酸鈉的羧基使柔性聚合物適當?shù)厣煺�，使懸浮粒子的吸附（凝聚）及粒子之間的交聯(lián)容易進行。

1.What kinds of certificates can you offer?

We can offer HAPPC, KOSHER, HALAL Certificates, ect.

2. Are you a manufacturer or ?a trading company?

We?are?manufacturer?for?agar?agar?and?carrageenan?,?Our?factory?established?in?1992,?we?do?more?than?10years?food?additives?in?domestic?market?.
In?2016,?We?set?up?a?branch?company?in?Shanghai?and?create our?new?brand?JUSTCHEM,?dedicating?to?offer?better?sales?service?for?food?additives?as?well?as?to?expand?overseas?markets.

3. How long shall we wait for your reply?

We can guarantee to reply your inquiries ?in less than 24 hours in working days.

4. What kinds of transportation types can you provide?

Our main transportation methods include air transportation, railway transportation and sea transportation.

5. How long will I receive my good?

Usually we will arrange the shipment in 7 -15 days.

6. What documents you provide???

Usually, we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificat and Origin certificate. If your markets have any special requirements, let us know.

7. What is loading port?

Usually is Shanghai , Qingdao , Tianjin,Dalian and ect.