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Surface Treatment Agent KR-S210 | Surface Treatment Agent |

Titanium-zirconium Treatment Agent KR-S210

KR-S210 KR-S211
The KR-S210 Silane Surface Treatment Agent, used in combination with KR-S211 (Silane Additive), forms a silane polymer-based chemical for metal pre-coating treatment. It reacts at room temperature on surfaces of various metals, such as steel, zinc, and aluminum, creating a durable covalent bond and forming a functional composite hybrid film with a three-dimensional network structure. This provides excellent corrosion resistance and enhances coating adhesion on metal substrates, making it particularly suitable for full-vehicle processing in the automotive industry.

Product Details

Advantages

Environmentally friendly product, free of phosphorus and nickel, compliant with RoHS standards. | Suitable for room-temperature spraying or dipping treatment on various metals (carbon steel, galvanized steel, aluminum, or magnesium alloys). | Compatible with various types of powder coatings and electrophoretic paints.

Technical Specifications

Model KR-S210
Apperance Light Blue Clear Liquid
pH Value <1.5
Application Range Suitable for pretreatment of steel, galvanized, and aluminum surfaces prior to coating.

Storage Conditions

Item Requirements
Storage Temperature 5–40°C. Indoor storage is recommended. Protect from freezing, as freezing may damage the polymer system.
Packaging & Container Requirements Packaged in 200 L plastic drums with a net weight of 200 kg per drum; 25 kg plastic pails or 1,000 kg intermediate bulk containers (IBCs) may also be used.
Shelf Life 2 years. After expiry, the product may only be used after it has been retested and confirmed to meet specifications.
Key Properties (KR9988) Appearance: light yellow to pale red viscous liquid; pH (5% solution): 9.5–10.5; kinematic viscosity (10% solution at 40°C): 3.19 mm²/s.
Precautions Nonflammable and presents no fire hazard; nevertheless, keep the container tightly sealed. If stored outdoors, place the drum horizontally to prevent water, dust, and other contaminants from entering. Retighten the cap immediately after dispensing. Check the concentration with a refractometer before use. PAG-containing products exhibit reverse solubility; polymer separation at elevated temperatures is normal, and the product can be restored by cooling and stirring.

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KERUN METALEX 2026 invitation. 18–21 November 2026, BITEC Bangkok, booth 101-BI36.