R-6618 Rutile Titanium Dioxide Pigment - High-Quality China Suppliers & Factory for Coatings and Plastics
Application Industries
1. Paints and Inks Industry
R-6618 rutile titanium dioxide serves as a fundamental component in premium paints and inks due to its outstanding hiding power and weather resistance. The product offers high refractive index and superior optical characteristics, meeting the demanding standards for various interior and exterior coating applications. It finds broad usage in architectural coatings, automotive finishes, industrial protective systems, and printing inks.
2. Plastics and Rubber Industry
Employing advanced surface treatment technology, R-6618 demonstrates excellent dispersion and compatibility within plastic and rubber matrices. It significantly enhances the whiteness, weather resistance, and mechanical strength of finished products, making it particularly suitable for high end applications including engineering plastics, outdoor construction materials, automotive components, and rubber goods.
3. Paper Industry
In the paper manufacturing sector, R-6618 functions as a high quality filler and coating pigment that effectively improves paper glossiness and printability. With stable chemical properties and favorable dispersion characteristics, it maintains consistent quality performance across diverse paper making processes. The product proves especially valuable for producing premium cultural papers, packaging materials, and specialty paper products.
Parameter Information
| ITEM | SPECIFICATION |
|---|---|
| TiO2 Content % | 94Min |
| Rutile Content % | 98Min |
| Tinting Strength | 1800Min |
| Oil Absorption g/100g | 20Max |
| Resistivity Ω·m | 80Min |
| Solution in Water | 0.5Max |
| Residue on Seive(45μm) | 0.05Max |
| Volatile at 105℃ | 0.5Max |
| PH | 6.0-8.5 |
| Inorganic Coatings | Zirconia,Alumina |
| Organic Treatment | TMP/ Organic Silica |
| L | 98Min |
| A | -0.5-0.5 |
| B | 1.5Max |
Product Performance
R-6618 features a dense crystalline structure and stable chemical properties, delivering exceptional durability, hiding power, and ultraviolet resistance. With weather resistance notably surpassing that of anatase grades, it maintains long term color stability and coating integrity under demanding outdoor conditions. This makes it an optimal selection for high performance industrial applications requiring reliable and lasting material performance.
Application Scope
R-6618 finds extensive application across multiple industrial sectors including coatings, plastics, rubber, inks, and paper manufacturing. The product proves particularly suitable for premium applications with stringent weather resistance and durability requirements, such as architectural exterior coatings, automotive original equipment manufacturer finishes, and outdoor plastic products.
Frequently Asked Questions (FAQ)
R-6618 contains a minimum of 94% TiO2 content and a minimum of 98% rutile crystal content, ensuring superior purity, opacity, and tinting strength.
R-6618 undergoes inorganic coating treatment with Zirconia and Alumina, as well as organic treatment with TMP (Trimethylolpropane) / Organic Silica to provide high weather resistance and excellent dispersion.
Due to its dense rutile crystalline structure, R-6618 delivers significantly superior UV resistance, durability, and weather resistance compared to anatase grades, preventing degradation and maintaining long-term color stability.
It is primarily optimized for premium paints, automotive OEM coatings, architectural exterior finishes, engineering plastics, rubber products, printing inks, and specialty paper manufacturing.
Thanks to advanced organic surface treatment, R-6618 disperses smoothly within plastic and rubber matrices, enhancing whiteness, mechanical strength, and protection against outdoor weathering.