Zinc Sulfide (ZnS)
An Intelligent White Pigment
One Pigment Replaces Two Additives
Most formulations use Sb₂O₃ for flame retardancy and TiO₂ for whiteness.
Sintah ZnS does both—partially or fully—while protecting your machinery and extending product life.
Flame Synergy → Replaces 50–100% of Sb₂O₃
Brightness → Reduces TiO₂ usage by ~40%
Machine Care → Mohs hardness 3 = zero wear
Replace Sb₂O₃ (Antimony Trioxide)
Maintain UL-94 ratings while reducing heavy metal content.
✅ 100% replacement in PVC-U, PS
✅ 50–75% replacement in PP, HDPE, PET, PVC-P
⚠️ Partial replacement not recommended for ABS, PA6
Reduce TiO₂ (Titanium Dioxide)
ZnS delivers ~60% of TiO₂’s whitening power—without the wear or photocatalytic degradation.
✅ Less machine wear
✅ No polymer yellowing
✅ Improved weather resistance
Two Whiteness Levels. Same High Performance.
Sintah Chemicals offers LS‑A26 (whiteness ≥ 96) and LS‑397 (whiteness ≥ 94) .
Same purity. Same particle size. Same thermal stability.
Only the whiteness level differs—so you can choose the right balance of brightness and cost efficiency.
CAS No: 1314-98-3
Identical in all other properties: purity, particle size, thermal stability, dispersion, hardness.