Poly Naphthalene Sulfonate Formaldehyde is ideal for use in prestress, precast, bridge deck or any concrete where it is desired to keep the water/cement ratio to a minimum and still achieve the degree of workability necessary to provide easy placement and consolidation.
Poly Naphthalene Sulfonate Formaldehyde
Poly Naphthalene Sulfonate Formaldehyde Specification:
Solid Content 92% min
Moisture 8.0 % max
Fineness 5.0% max
PH value 7 - 9
Chlorides Content 2.0% max
Surface Tension 68-72 Mn/m
Cement Flowing Rate 230mm min
Concrete Reducing Water Rate 18% min
Sodium Sulfate Content 18% max (5%max is also available)
Addition Rates
Poly Naphthalene Sulfonate Formaldehyde can be added directly or added in after melt. It can be added during mixing and after-mixing. The afterward approach can achieve better result. The suggested addition rate is 0.75%.
Poly Naphthalene Sulfonate Formaldehyde Direction
Prepare solutions as required.
Direct use of powdery agent is allowed. Alternatively the addition of the agent is followed by water moisturization (water-cement ratio: 60%).
The agent can be combined with other externally applied agents if pilot development or laboratory experiment succeeds.
Poly Naphthalene Sulfonate Formaldehyde Package, Storage & Handling
For powder: Woven fabric bag with plastic liner. Net weight: 25kg +/- 0.1 kg.