SEMITI NANO-30 vs Kobo TTO-S-3
SEMITI NANO-30 matches Kobo TTO-S-3's reference performance for transparent UV protection in cosmetic sunscreens.
Kobo TTO-S-3 is widely cited as the cosmetic R&D reference for micronized rutile TiO2 — hydrophobic-coated, < 100 nm primary particle, transparent on skin, deactivated photocatalysis. SEMITI NANO-30 is positioned as the direct technical alternative.
Side-by-side specification
Typical published specs for the two grades. Customer-specific CoA on inquiry.
| Property | SEMITI NANO-30 | Kobo TTO-S-3 |
|---|---|---|
| Primary particle size | 15–30 nm | 10–50 nm |
| Surface coating | SiO2 + organosilane | SiO2 + organosilane |
| SPF contribution (8% loading) | 30–35 | 30–35 |
| Photocatalytic activity | < 5% of uncoated | < 5% of uncoated |
| Landed cost | 50–60% lower | Reference |
Bold amber indicates the column with the stronger value on that line.
When to choose which
- →Mid-tier sunscreen brand cost-optimization
- →Asia-Pacific cosmetic formulator with direct sourcing capability
- →Reef-safe sunscreen product lines
- →Premium US/EU sunscreen brand with established Kobo qualification
- →Specialty pharmaceutical sunscreen with tight regulatory qualification
Drop-in substitution
Pricing context
Kobo TTO-S-3 commands premium pricing (USD 30+ per kg). SEMITI NANO-30 lands at USD 12–18 per kg. The cost gap is meaningful for high-volume sunscreen production.
For mid-market and Asia-Pacific cosmetic brands, SEMITI NANO-30 delivers matched performance at half the cost.
Request SEMITI NANO-30 sample for Kobo TTO-S-3 substitution trial
Free 25 kg sample for technical evaluation. We typically respond within 24 hours UTC+8. FOB / CIF / DDP terms available to most ports worldwide.