Titanium dioxide STD-2589

Introduction：

STD-2589 is an economical rutile titanium dioxide product manufactured using the sulfuric acid process. It is an uncoated and organically untreated pigment, featuring a bluish undertone, high tinting strength, excellent dispersibility, and good performance in outdoor plastic applications.

Technical Specifications:

Item	Property
TiO₂ content, %	Min 93
Rutile content, %	Min 98.0
Relative tinting strength	Min 115
Oil absorption, g/100g	Max 19
Volatile content at 105°C, %	Max 0.3
Residue (325 mesh), %	Max 0.03
Moisture, %	Max 0.3
Density, g/cm³	4.1
pH	6.5–8.5

Application Performance Data:

	PVC White Sheet	PVC Grey Sheet	PP Injection Plate
L* Value	97.30	65.20	98.30
b* Value	1.25	-2.20	1.35
Relative Tinting Strength	—	104	—

Notes:

PVC white formulation complies with HG/T 4769.1-2014 standard.

PVC white/grey: Pigment (TiO₂) to extender (barium sulfate) ratio (PHR) = 4:0; grey: TiO₂ : carbon black = 20:1.

PP formulation: Pigment (TiO₂) to extender (barium sulfate) ratio = 10%.

*Relative tinting strength compared to standard sample.

Classification:

ISO Classification: ISO 591 DIN 55912 R1

ASTM Classification: ASTM D476: Type VII

Color Index:

Color Index: White Pigment 6

Packaging:

25kg/bag, 500kg/bag, 1000kg/bag

Applications:

PVC pipes, plastic masterbatches, engineering plastics, etc.

Storage:

Keep dry and store in a ventilated place. Avoid moisture, high temperature, and direct sunlight. Store in a sealed container.

Handling:

Use appropriate personal protection. Avoid generating dust or inhaling dust during processing. Ensure adequate ventilation. If ventilation is insufficient, use local exhaust or appropriate respiratory protection. Refer to the product’s SDS (Safety Data Sheet) for more details on safe handling.

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