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SEMITI 2310

Universal Plastics Rutile

Universal plastics rutile — direct alternative to Kronos 2310 for PVC, PE, PP, ABS.

International equivalents: Kronos 2310

SEMITI 2310 is a universal plastics-grade chloride-process rutile, matched against Kronos 2310 — historically one of the most widely-used TiO2 grades in plastic compounding globally. If your masterbatch or compound formulation was originally qualified on Kronos 2310, SEMITI 2310 is the direct drop-in substitute.

The grade is positioned for universal plastics use: it performs in commodity PE/PP film masterbatch, in PVC compounding for general-purpose profile, in PS/HIPS injection molding, and in many ABS applications. While SEMITI 960 has the edge for engineering plastics (PC, PA) and SEMITI 2190 is the premium choice for outdoor PVC, SEMITI 2310 covers the broad middle of plastic compounding by volume.

The Kronos 2310 reference grade is particularly common in European and South American plastic converter operations. SEMITI 2310 is designed to enable buyers in those regions to substitute without reformulating existing recipes.

Why customers pick SEMITI 2310

  • 01Direct Kronos 2310 alternative — broad qualification base in plastic compounding
  • 02Universal plastic compatibility — PE, PP, PVC, PS, ABS
  • 03Thermal stability to 280°C — covers commodity-plastics extrusion envelope
  • 04Mid-tier pricing — better value than premium grades for high-volume commodity MB

Typical specifications

Batch-specific CoA accompanies every shipment.

TiO2 content≥ 92.0%
Rutile content≥ 98.5%
Color (CIE L*)≥ 97.5
Color (b*)≤ 2.0
Thermal stability (Δb* at 280°C / 5 min)≤ 1.8
Volatiles at 105°C≤ 0.35%
Oil absorption14–18 g/100g
Surface treatmentAlumina + organic

Typical dosage

Starting points for formulator trials — final loadings should be optimized in-house.

Universal white MB (PE / PP)
50–60% MB loading
PVC general-purpose compound
3–6 phr
PS / HIPS injection molding
1–4% finished

vs international reference grades

Comparisons against the international grades most commonly cross-referenced by formulators.

Kronos
2310

Direct functional equivalent. SEMITI 2310 has been validated against Kronos 2310 in 10+ EU and SE Asia masterbatch customers — matched on Δb* and dispersion quality. Cost advantage 30–40% landed.

Self — SEMITI 996

SEMITI 996 is positioned as universal across coatings + plastics + inks. SEMITI 2310 is specifically plastics-focused. For plastics-only buyers, 2310 is slightly more cost-efficient.

Primary applications

Plastic Masterbatch
White masterbatch concentrates for PE, PP, ABS, PS film and injection molding — typically 50–70% TiO2 loading.
PVC Profiles & Window Frames
Window frames, fence boards, siding — UV-stable rutile to prevent yellowing and chalking over 10+ years outdoor.
PE / PP Films
Blown and cast film for packaging, agriculture, hygiene — low fish-eye, compatible with slip/antiblock packages.

Packaging & shipping

25 kg paper bag with PE liner; 500 / 1000 / 1250 kg FIBC. Standard pallet 1 t. 20' container 18–20 t. No special handling required for ocean transport.

Common questions

Should I switch from Kronos 2310 to SEMITI 2310?+
If your existing formulation is qualified on Kronos 2310 and you're sourcing from EU or US, switching to SEMITI 2310 typically saves 30–40% landed cost. Validate with a 100 kg trial batch first.
How does SEMITI 2310 perform in outdoor PVC profile?+
Acceptable for 3–5 year outdoor service. For 10+ year service (window frames, siding), upgrade to SEMITI 2160 (specifically Kronos 2160-class durable PVC rutile).

Request CoA, sample, or quote for SEMITI 2310

We typically respond within 24 hours UTC+8. Free samples for technical evaluation; FOB / CIF / DDP terms to most ports worldwide.

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