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SEMITI 2190 vs Kronos 2190

SEMITI 2190 matches Kronos 2190 as a premium plastics rutile for engineering plastics and 20-year warranty PVC.

Kronos 2190 is positioned at the premium end of the plastics rutile range — engineered for the most demanding compounding applications. SEMITI 2190 is the direct alternative with the same triple-layer alumina + silica + organic surface treatment.

Side-by-side specification

Typical published specs for the two grades. Customer-specific CoA on inquiry.

PropertySEMITI 2190Kronos 2190
Surface treatmentPremium Al2O3 + SiO2 + organicPremium Al2O3 + SiO2 + organic
Thermal stability (300°C)Δb* ≤ 1.5Δb* ≤ 1.5
Outdoor weathering (10 yr Florida)ΔE ≤ 1.5ΔE ≤ 1.4
Color (b*)≤1.4≤1.4
Landed cost (Asia)35% lowerReference

Bold amber indicates the column with the stronger value on that line.

When to choose which

Choose
SEMITI 2190
  • →20-year warranty PVC window frame production
  • →Premium engineering plastic compounding (automotive trim, premium appliance)
  • →Cost-optimization on Kronos-qualified premium formulations
Choose
Kronos 2190
  • →Existing premium European brand qualification with no cost pressure

Drop-in substitution

Run extended accelerated weathering (5000+ hr QUV-A) and 1-year natural exposure for confidence. Premium grade substitution is more conservative — typical qualification 8–12 weeks.

Pricing context

Kronos 2190 lands in Asia at USD 4.20–4.60/kg. SEMITI 2190 at USD 2.80–3.20/kg.

Bottom line

Direct premium equivalent. Worth the extended qualification time for high-volume buyers.

Full SEMITI 2190 details

rutile · chloride
SEMITI 2190
Premium Plastics Rutile

Premium plastics rutile for high-performance compounds — engineering plastics + outdoor PVC.

Full TDS, specifications, dosage →

Common questions

Can SEMITI 2190 substitute Kronos 2190 in 20-year warranty PVC window frames?+
Yes, but plan for an extended qualification cycle — run 5000+ hr QUV-A accelerated weathering and at least 1 year of natural exposure before committing to bulk substitution. Premium grade substitution is more conservative; typical qualification is 8–12 weeks. Both share premium Al₂O₃ + SiO₂ + organic triple-layer surface treatment.
How much cheaper is SEMITI 2190 vs Kronos 2190?+
Kronos 2190 lands in Asia at USD 4.20–4.60/kg; SEMITI 2190 at USD 2.80–3.20/kg — approximately 35% lower. For high-volume premium PVC or engineering plastic compounders, the savings justify the longer qualification investment.
When should I keep using Kronos 2190 rather than switching?+
Keep Kronos 2190 when you have an existing premium European brand qualification with no cost pressure, or when your customer's 20-year warranty specification names Kronos by brand. For new production or Asia-Pacific operations without a Kronos qualification lock-in, SEMITI 2190 is the right starting grade.

Request SEMITI 2190 sample for Kronos 2190 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.

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