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SUNDGE Factory Supply wholesale price100% Safe Delivery Liquid N-methyl -2- Pyrrolidone CAS 872-50-4 NMP solvent
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Products Description
N-methylpyrrolidone is a kind of organic matter, chemical formula C5H9NO, colorless to light yellow transparent liquid, slightly ammonia odor, miscible with water in any proportion, soluble in ether, acetone and ester, halogenated hydrocarbons, aromatics and other organic solvents, almost completely mixed with all solvents.
Items |
Micro-electronic Grade |
Electronic Grade |
Industrial Grade |
Purity(wt%,GC) |
≥99.90 |
≥99.85 |
≥99.50 |
Moisture(wt%,K.F.) |
≤0.01 |
≤0.03 |
≤0.05 |
Density(g/cm3,20℃) |
1.026-1.036 |
1.026-1.036 |
1.026-1.036 |
Color(APHA,Hazen) |
≤5 |
≤10 |
≤30 |
PH Value |
7-9 |
7-9 |
7-9 |
Free Amine(ppm) |
≤10 |
≤20 |
≤100 |
Metals（ppb,ICP） |
≤10 |
≤20 |
/ |
Anions(ppm,IC) |
≤0.1 |
≤0.5 |
≤1 |
Application
Scope of application
Micro-electronic Grade：It is applicable to LCD,semiconductor,circuit boards and other industries.
Electronic grade：It is applicable to lithium batteries,aramid fiber,PPS,uitrafiltration film and other industries.
Industrial grade:It is applicable to pesticide adjuvants,inks,paints，industrialagent and other industries.
Due to policy changes, the function and application of some ingredients cannot be disclosed.
Our salesperson is expect to your contact, and will going to respond according to your requirements
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FAQ
* Q1:Can I get free sample before bulk order?
* We can accept sample order before bulk order, FREE SAMPLES of some products can be sent on request.
* Q2: How to confirm the products quality before placing orders?
* We have strict quality control for every shipment and have various certificates in the industry.
* Q3:How will you deliver the goods?
* We have strong cooperation with DHL, FEDEX, TNT, EMS, China Air Post.
For bulk products, we can ship it by air to your airport or directly to your door. For container products, we can do sea shipping. You also can choose your own shipping forwarder.
* Q4: How about the packing?
* Usually we provide the packing as 25 kg / bag or carton. Of course, if you have special requirements on them, we will according to you.
* Q5: How to gaurantee the after-sale?
* If any problem happens after sale, either quality or quantity, we will try to solve it instantly. and we even have recall
system if necessary.
system if necessary.
