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Product Features
STD-2588 is a rutile titanium dioxide pigment specifically designed for plastic applications. It features a strong bluish undertone, excellent tinting strength, and superior dispersibility. Its special surface treatment ensures extremely low moisture absorption, minimal foaming variation during melt processing, ultra-low filter blocking, and outstanding dispersion and processing fluidity in plastic systems.
Technical Specifications
| Parameter | Typical Value |
|---|---|
| TiO₂ content, % | 98.2 |
| Inorganic surface treatment | Al₂O₃·nH₂O |
| Organic surface treatment | Containing organosilicon |
| Oil absorption, g/100g pigment | 13 |
| Volatile content at 105°C, % | 0.15 |
| Color value in white PVC-P (L*) | 97.2 |
| Tinting strength in grey PVC-P (% vs. standard) | 103 |
| Undertone in grey PVC-P (CBU) | 17 |
| Melt mass flow rate (MFR), g/10min | 23 |
| Filter pressure value (FPV), bar/g | 0.03 |
| High-temperature volatiles (300°C), % | 0.08 |
| Density, g/cm³ | 4.1 |
| ISO 591 Classification | R1 |
| ASTM D476 Classification | II |
Notes
Color value (L*) tested in white plasticized PVC-P with 4PHR plasticizer.
Tinting strength and undertone measured in grey PVC-P with 2PHR carbon black.
MFR measured in linear low-density polyethylene (LLDPE) with MFR ≈ 25g/10min.
FPV tested using LLDPE masterbatch diluted with LDPE base resin, per EN13900-5:2005.
High-temperature volatiles measured after drying at 105°C and heating at 300°C for 2 hours.
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