Identification
| Product series | |
|---|---|
| Chemical description | High-molecular calcium polynaphthalenesulfonate, formaldehyde-free |
| Category | |
| CAS # | |
| EC # | |
| EC name | Naphthalenesulfonic acid, polymer with formaldehyde, calcium salt |
Spolostan 7L CaS FF is a higly efficient superplasticizing (fluidizing) admixture of gypsum slurry in the production of gypsum boards.
Physical and chemical properties
density at 20 °C, g/cm³, approx.
1.18
pH, 3% solution
7.5 - 9.5
dry matter, wt%
40 ± 2
SO₄²⁻, wt%, max.
0.3
chlorides (Cl⁻), wt%, max.
0.05
formaldehyde, ppm, max.
40
appearance at 20 °C
dark brown viscous liquid