Sodium Naphthalene Formaldehyde SNF-A Especially used in printing and dyeing
Sodium Naphthalene Formaldehyde is a kind of anionic surfactant with hydrophobic structure composed of methylene connected naphthalene ring and sulfonic acid group as hydrophilic structure. It is widely used as concrete water reducing agent, dye dispersant and coal water slurry dispersant because of its mature synthesis technology and excellent dispersion performance.
| NO | Index items | Standard value | Test Results |
| 1 | Appearance | Yellow Brown powder | Meets the requirement |
| 2 | solids content (%) | 91min | 91.86 |
| 3 | content of cl- (%) | 0.5max | 0.12 |
| 4 | PH value | 7-9 | 8.09 |
| 5 | free fromaldehyde content (mg/kg) | 300max | 158 |
| 6 | Na2SO4 content (%) | 5max | 4.84 |
| 7 | degree of fineness | 0.5max | 0.23 |
| 8 | dispersion forces | 95min | 96.2 |
| 9 | water-reducing reat | 18min | 18.9 |
| Conclusion | Complies with requirements . |
Application
SNF is mainly used as dispersant in disperse dyes, VAT dyes, acid dyes and leather dyes. It has excellent grinding effect, solubility and dispersity.It can also be used in textile printing and dyeing, wetting pesticide dispersant, paper making dispersant, electroplating additive, water-soluble coating, pigment dispersant, water treatment agent, carbon black dispersant, etc.
SNF is mainly used in industry for VAT suspension pad dyeing, cryptic acid dyeing, dispersing in soluble VAT dyeing, etc.It can also be used for dyeing silk/wool interwoven fabrics, so that there is no color on silk.In the dye industry, SNF is mainly used as a diffusion aid in dispersion and lake manufacturing, as a rubber emulsion stabilizer, and as a leather tannin aid.
Package and Storage:
(1) The product comes in the form of powdery.The powdery form is packed in PE/PP woven bags, 25kg/package; Jumbo bag.
(2) Keep away from moisture.
(3) The product is non-flammable, non-toxic, non-explosive, and can be stored for a long time.
FAQ:
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Re: T/T, L/C, D/A, D/P, Western Union, MoneyGram
Q2. How can I get the sample?
Re: We provide you free sample. But you should pay for the postage. When we have a formal transaction, we will refund the postage of this sample.
Q3. How can you guarantee the goods you offer is qualified?
Re: We can provide sample, COA, MSDS and etc to help you insure the quality. And we promise every batch of product will be tested in the factory, and they can only leave the factory after the quality is qualified.
Q4. How can I get your best price?
Re: We will provide you timely market information and the fluctuation trends of raw material to help you determine the most appropriate time for an or
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CAS 36290-04-7 Naphthalene Based Superplasticizer SNF Yellow Brown Powder Images
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