| CAS No.: | 9002-89-5 |
|---|---|
| EINECS: | 209-183-3 |
| Appearance: | Powder, White or off-White Powder |
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Brife introduction
Polyvinyl alcohol (PVA) resin is a kind of heavy polymer.
It is usually a white or slight yellow floccules, flake, granular or powder 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 berrier properties, and has typical chemical properties of polyols and can make esterification, etherification, acetalization reactions.
It usually used into the Textile industry,construction and decoration industries, chemical industry, paper-making, agriculture, petroleum exploitation, and also cosmetics, pharmaceuticals, printing, ceramics, steel, electronics, electroplating and so on.
Product properties
• Excellent film-forming, emulsifying and adhesive properties.
• Resistant to oil, grease and solvents.
• It has high tensile strength and flexibility, as well as high oxygen and air barrier properties
Applications:
» Textile industry
» Construction industry
» Chemical industry
» Papermaking industry
» Cosmetics industry
» Agriculture industry
» Pharmaceutical industry, etc.
Technical Datas
| Item | 0588 | 1788 | 2088 | 2488 | 1799 | 2099 | 2499 | 2699 |
| Appearance | White powder | White powder | White powder | White powder | White powder | White powder | White powder | White powder |
| Purity (%) | ≥92.0 | ≥92.0 | ≥92.0 | ≥92.5 | ≥92.5 | ≥92.5 | ≥92.5 | ≥92.5 |
| Hydrolysis (mol,%) | 86.0 - 90.0 | 86.0 - 90.0 | 86.0 - 90.0 | 86.0 - 90.0 | 98.0 - 100.0 | 98.0 - 100.0 | 98.0 - 100.0 | 98.0 - 100.0 |
| Viscosity (mpa.s) | 4.5 - 6.5 | 20.0 - 26.0 | 27.0 - 33.0 | 44.0 - 55.0 | 22.0 - 30.0 | 35.0 - 43.0 | 58.0 - 68.0 | 70.0 - 80.0 |
| Volatiles (wt%) | ≤6.0 | ≤8.0 | ≤8.0 | ≤6.0 | ≤7.0 | ≤7.0 | ≤7.0 | ≤7.0 |
| Ash Content | ≤0.7 | ≤0.7 | ≤0.7 | ≤0.5 | ≤1.5 | ≤1.5 | ≤1.5 | ≤1.5 |
| PH Value | 5 - 7 | 5 - 7 | 5 - 7 | 5 - 7 | 5 - 7 | 5 - 7 | 5 - 7 | 5 - 7 |
a) Packing:
1) Package: Neutral packing bag, 25kg/bag, with/without pallet.
2) Package Material: PP bag or paper bag.
3) Customized Package: Available, but it should be notified before you place the order.
b) Storage& Transportation:
The products should be stock indoor where room temperature is 5-30ºC, dry& well-ventilated place, storage by batches. Keep away from the power, prevent humid, and avoid sun exposure. It is strictly forbidden to store together with volatile chemicals to prevent adsorption deterioration.
Delivery is available by express, highway, railway, sea transportation.
We will choose optimal logistics for every order in most cost-effective and shortest delivery time.
When transporting, clean vehicles are required, need pay attention to avoid moisture, rain and sun protection. Handle with care to prevent damage the packaging. It is strictly forbidden to store together with volatile chemicals to prevent adsorption deterioration.
Quality Improvement
Our laboratory has equipped with advanced equipments to evaluate the quality of raw materials and finished products by doing physical & chemical tests as well as application tests. We are constantly working on improve the performances of existing products and develop new and innovative products to meet the changing needs of customers.
More Valuable Services
Today, in order to cope with the more severe market challenges, customers need a comprehensive service to improve procurement efficiency and achieve optimal cost control in the whole process. Customers will benefit from our following services:
1) A variety of models that can quickly match customers' needs and budgets;
2) Customized products and packages are available;
3) Short delivery time and optimal logistics arrangement;
4) Suggestions on formula improvement;
5) Sourcing service for related construction chemicals;
6) China market information to help customers respond nimbly to market conditions.
Q1. How can we guarantee the products' quality?
1.All materials must be tested refers to key specifications before unload.
2.We will store different material into different warehouse after unload.
3.We keep paper and computer storage records.
Q2: What will be your sample policy?
A: We offer free sample, customer afford the cost of delivery.
Q3: What is your payment terms?
A: T/T 30% in advance and balance before shipment.
Q4. What about the lead time?
A:Sample needs 3-5 days, mass production time needs 3-5 working days for lot order quantity.
Q5. Do you have any MOQ limit for trial order?
A: We have no MOQ, small quantity is available for us.
Q6. Is it OK to print my logo on the bags?
A: Yes. we can accept this clause, please inform us formally and confirm the design firstly before production.
COOPERATION
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