R-6618 Rutile Titanium Dioxide Pigment from China Supplier - High Quality 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)
Q1: What are the key performance advantages of R-6618 Titanium Dioxide?
R-6618 provides outstanding hiding power, high refractive index, exceptional weather resistance, and superior UV durability due to its dense crystalline rutile structure and inorganic/organic surface treatments.
Q2: What is the TiO2 and Rutile content specification for R-6618?
R-6618 features a minimum TiO2 content of 94% and a rutile phase conversion rate of at least 98%, ensuring superior tinting strength and optical properties.
Q3: How is R-6618 surface treated?
It undergoes inorganic coating with Zirconia and Alumina, combined with organic treatment (TMP / Organic Silica) to enhance dispersion, weatherability, and compatibility.
Q4: Why is R-6618 preferred over anatase grades for outdoor applications?
Its rutile crystalline structure offers significantly higher weather and UV degradation resistance, preventing chalking and color fading in demanding outdoor environments.
Q5: Which coatings and plastics applications are best suited for R-6618?
It is ideal for automotive OEM finishes, architectural exterior coatings, industrial protective coatings, engineering plastics, outdoor construction profiles, and high-performance rubber goods.
Q6: How does R-6618 perform in the paper industry?
R-6618 serves as a high-quality pigment filler and coating agent that optimizes gloss, whiteness, opacity, and printability across cultural and specialty paper grades.