HomeProducts Silicone Fluid Paint Additive Shin-Etsu KP-341 - Paint Additive for Industrial Coatings
Shin-Etsu KP-341 - Paint Additive for Industrial Coatings

Shin-Etsu KP-341 - Paint Additive for Industrial Coatings

KP-341 is an anti-mottling, high molecular weight silicone resin,which provides attractive painted surfaces.
PRODUCTS DESCRIPTION

KP-341 is a polyether-modified silicone resin designed to enhance the quality of solvent-based and UV-curable paints. It effectively prevents mottling and orange peel effects, ensuring a smooth and uniform finish. Ideal for automotive OEM coatings and industrial applications, KP-341 improves leveling properties and recoating performance, making it a versatile solution for achieving high-quality paint finishes.

products parameters

Composition:Modified Organopolysiloxane
Appearance:Light Yellow To Light Brown Liquid
Viscosity:Approximately 750 mm /s At 25°C
Specific Gravity:~1.03
Active Ingredient:100%
Standard Added Amount:0.01-2.0(wt%)
Packaging:18 Kg

key features

  • Reduces the Coefficient of Friction - KP-341 significantly reduces the coefficient of friction of paint film surfaces, making them smoother. Test results show that coatings with 1wt% KP-341 addition experience a 20%-30% reduction in friction, reducing the risk of surface scratches and wear, and maintaining the coating's integrity and gloss over long-term use.


  • Produces a Hammer Texture - At specific addition levels, KP-341 can create a uniform hammer texture on the paint film surface, enhancing its decorative properties. Comparative experiments show that a 0.5wt% addition produces a clear, evenly distributed texture after curing, ensuring the consistent appearance and decorative properties of specialized coatings, meeting the demands of applications such as metal coatings.


  • Prevents Flooding and Floating - KP-341 can suppress pigment floating and floating in coatings. Experiments show that adding 0.3wt% KP-341 to solvent-based coatings results in more uniform pigment distribution and a 40% reduction in color difference (ΔE), significantly improving the coating's color stability and ensuring a consistent appearance in the finished product.


  • Prevents paint film clogging - In high-solids systems or thick film applications, KP-341 effectively reduces paint film clogging. Experimental results show that at a 1wt% addition, nozzle clogging during spray application is reduced by over 50%, ensuring smooth application and improving production efficiency.


  • Inhibits bubbles and pinholes - KP-341 reduces the formation of bubbles and pinholes during application. Data shows that adding 0.5wt% KP-341 to a coating reduces the number of bubbles on the film surface by 70% and pinhole defects by 60%, resulting in a smoother, more refined surface.


  • Enhances moisture and salt resistance - KP-341 significantly improves a coating's resistance to moisture and salt spray. Salt spray test results show that after 720 hours of neutral salt spray testing, the coating containing 1wt% KP-341 maintained a film integrity rate of over 95%, while the control group without KP-341 exhibited significant corrosion and gloss loss, demonstrating its significant protective performance advantage.

application
  • Coatings and Ink Industries - KP-341 is widely used in solvent-based coatings and UV-curable ink systems, improving leveling and preventing surface defects. Adding 0.2wt% KP-341 to an ink system can increase the surface gloss of printed products by 15%, while reducing unevenness caused by ink buildup and enhancing the overall visual quality of the printed product.


  • Automotive Coatings - In automotive OEM coatings, KP-341 improves coating smoothness and durability. In humidity and heat resistance testing, automotive coatings containing 1wt% KP-341 showed no noticeable gloss loss or blistering at 85°C and 85% RH for 1000 hours, significantly outperforming unadded systems and meeting the stringent standards for high-end automotive appearance.


  • General Industrial Coatings - KP-341 is also suitable for general industrial coatings, such as metal protective coatings and surface treatments for machinery and equipment. Tests show that adding KP-341 to industrial machinery anti-corrosion coatings improves salt spray resistance by 30% and wear resistance by 25%, significantly extending the service life of the equipment coating and reducing maintenance costs.

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