Room Temperature Curing Polysilazane Resin IOTA 9150 for High-Hardness Anti-Graffiti and Anti-Corrosion Coatings

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  1. Product Overview

IOTA 9150 Organic Polysilazane, launched by IOTA, is a transparent and mass-produced high-performance polysilazane resin. The molecular structure contains active Si-NH-Si bonds, which can cure at room temperature through hydrolysis and oxidation reactions. Meanwhile, these bonds can react with the hydroxyl groups on the substrate surface, providing excellent adhesion. After curing, it forms a dense three-dimensional cross-linked structure, offering ultra-high hardness, outstanding transparency, and chemical resistance, making it an ideal material for high-end surface protection and modification.

  1. Core Performance Advantages

First, room temperature curing and ultra-high hardness: Single-component design, tack-free at room temperature. The fully cured hardness reaches 6H to 9H (can be further improved with catalysts or heating assistance), providing excellent scratch and wear resistance. Second, strong adhesion and high transparency: Excellent bonding with various substrates, achieving Class 0 adhesion in the cross-cut test. The cured film is transparent with a visible light transmittance of over 90%, preserving the original appearance of the substrate. Third, outstanding weather and chemical resistance: The cured film features UV resistance, oxidation resistance, and corrosion resistance. The dense coating effectively resists erosion from alcohols, ketones, and other organic solvents. Fourth, hydrophobic, easy to clean, and safe: The water contact angle reaches 105 degrees after curing, making the surface easy to clean and providing anti-graffiti potential. The cured film is non-combustible, easy to apply, and highly durable.

  1. Key Technical Specifications

Appearance: Colorless transparent liquid Solid Content: Greater than 99% Additive Content: 1.5% Molecular Weight: 900 Molecular Weight Distribution: 2.1 Viscosity: 50 cPs Liquid Density: 0.95 g/ml Cured Density: 1.3 g/ml Tack-free Time: 2 hours Full Curing Time (20-25 degrees Celsius): 3 days Cured Hardness: 4H after 1 day at room temperature; 6H after 3 days at room temperature; 8H after 3 hours at room temperature plus 2 hours at 120 degrees Celsius (up to 9H with catalyst) Visible Light Transmittance: Greater than 90% Water Contact Angle: 105 degrees Metal Adhesion (Cross-cut test): Class 0

  1. Typical Applications

Building anti-graffiti coatings: Used on building exterior walls and public facilities to provide hydrophobic, easy-to-clean, and anti-graffiti protection. Metal anti-corrosion coatings: Provides long-term oxidation, corrosion, and wear protection for various metal substrates. Silicone resin curing agent: Acts as a high-performance curing agent to improve the cross-linking density and physical properties of other silicone resin systems. Organic resin hardening agent: Added to conventional organic resins to significantly improve surface hardness, scratch resistance, and weather resistance.

  1. Application and Usage Precautions

This is a single-component product soluble in ether and alkane solvents. During dilution or application, it is strictly forbidden to use alcoholic solvents or water for dilution, to avoid affecting the stability and curing performance of the resin.

  1. Contact Us

IOTA is committed to providing innovative silicone surface protection solutions. If you need to obtain samples, Technical Data Sheets, or application guidance for Polysilazane IOTA 9150, please feel free to contact our technical support team.


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