Sodium salts of sulfonate naphthalene formaldehyde
we have three kinds of sodium salts of sulfonated naphthalene formaldehydrate, it is super plasticizer, could be used as concrete admixture.
Synonyms: SNF, NSF
HS Code: 38244010
1.FDN-A Na2SO4 less than 5%
2.FDN-AI/B Na2SO4 Less than 10%
3.FDN-AII/C Na2SO4 less than 18%
Specification for FDN-A
| Item |
Requirement |
Appearance |
yellowish brown powder |
Net starch fluidity(mm) |
≥240 |
PH value |
7-9 |
Contents of Clˉ % |
≤0.5 |
Surface tension (n/m) |
(72±2)*10ˉ3 |
Solid contents% |
≥91.5 |
Na2SO4 contents% |
≤18 |
One 40'FCL hold 26mts
Min order quantity: one 40'FCL
Package: 40kg bags with PE film inside
Payment terms: 30%prepayment and the rest by facsimile copy of B/L.
We export these goods to India, Saudi Arabia, etc. |
