Product Description
Polyvinyl alcohol (PVA) resin is a kind of heavy polymer. It is usually a white or slight yellow floccules, flake, granular or powdery in appearance. PVA is non-toxic, insipid and non-polluting. PVA is a kind of water-soluble resin with good chemical stability. It also has good adhesion, film-forming ability, insulation, oil resistance, abrasion resistance and gas barrier properties, and has typical chemical properties of polyols and can make esterification, etherification, acetalization reactions.
|
Item |
15-97 |
|
Viscosity(cps) |
18.0-22.0 |
|
Hydrolysis(mol e%) |
96.0-98.0 |
|
Ash(%)max |
0.7 |
|
Volatile(%)max |
5.0 |
| PH Value | 5-7 |
Application
1) In textile industry ,PVA is mainly used as a warp dressing agent, textile finishing agent and the raw material of vinylon.
2) In construction and upholstery industry 107 gule, it's used as an additive of cement and mortar, inner and outer wall paints,and moulding board binder;
3) In chemical industry, It's used as a polymer emulsifying agent, dispersing agent and used to produce PVA for-mal, PVA a-cetal and PVA butyral.
4) It's used as an adhesive in lumbering and paper-marking industies.
5) Used as a soil improving agent, pesticide reinforcing agent and PVA thin film in agriculture.
6)Used as a well-fixing agent in pertroleum exploitation .
7)It can also be used into cosmetic, medicine, printing, ceramics ,steel-marking, electronics and plating.
Packing & Delivery
FAQ
1.Can I get sample before order?
Yes,we can provide free sample once price is agreed,and you have to pay us delivery fee in advance.
2.Where is your loading port?
ningbo port,Shanghai port,or as request.
3.What are your payment terms?
For our first cooperate client,usually by TT 30% deposit,balance paid agansit BL copy,or full amount LC at sight.If you be our regular client, payment term can adjust.
4.What is your delivery time?
It depends on order quantity,usually we will arrange shipment within 3-20days.
5.How about packing?
Usually we provide packing as 25kg/bag or carton.Of course,if you have special requirment for packing,we will adjust according to you.
6.When can I get reply?
Our sales manager will contact you within 24hours.
7.How about the validity of products?
According to the products you order,usually 2 years.
8.What documents do you provide?
Usually we provide Commercial Invioce,Packing List, Bill of Loading,COA,Healthy Certificate and Original Certificate,etc.If there are any special requierments in your market,please let us know.
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