Sodium Naphthalene Formaldehyde

Description
Sodium Naphthalene Formaldehyde(SNF-5) is a member of naphthalene based high range water reducer, Main ingredient is β-naphthyl sulfonate formaldehyde condensate, sodium sulfate≤5.0%.




Homogeneity indexes:

Testing Item Total Solid Fineness 0.315mm residue on sieve % PH Value Sodium Sulfate % Liquidity of Cement Paste mm
Enterprise Standard ≥92 ≤5 7－9 ≤5.0 ≥240
Note: standard blend dosage: 0.75％ for powder (as cement amount)


Performance indexes of concrete mixed with SNF-5:

Inspection Items Inspection Criteria Actual Results
First Grade Qualified
Water Reducing Rate (%, >) 12 10 20
Ratio of Bleeding Rate(%,<) 90 95 15
Air content(%) <3.0 <4.0 2.0
Diffrence of Set Time (min) Intial －90～+120 -55
Final -42
Ratio of compressive strength(%) 1d >140>130 156
3d >130 >120 152
7d >125>115 146
28d >120 >110 138
Ratio of Shrinkage (%) 90d <135 82
Steel-bar Corrosion None None


Dosage:

Dosage rates vary depending upon the cement chemistry, amount of plasticity and/or water reduction desired. Recommended dosage range for SNF-5 is 0.5～1.0% of cement. It is highly recommended that trial mixes be prepared to determine the optimum dosage for your specific performance requirements.

Package and Ship:



Description: Woven fabric bag with plastic liner
Net weight: 25kg / 50kg / 750kg / 875Kg....
As per customer requirment




Description: Put some bags in one pallet







Description: 26MT for 40'FCL







Technical Service
A trained representative is available to assist in the preparation of specifications, and the resolution of concrete problems in the field.