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Substrate Wetting Agent

Substrate wetting agents reduce system surface tension, penetrate gaps in difficult-to-wet substrates, and eliminate surface defects such as craters and fish eyes. These materials are suitable for applications in coatings, inks, and adhesives.
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Product Overview

Water-based industrial coatings typically have high surface tension, and industrial production involves diverse and complex substrates. This characteristic makes it difficult for coatings to fully wet substrates with low surface tension, leading to issues such as uneven coverage, dry spots, and insufficient adhesion. This series of substrate wetting agents is formulated with polyether modified silicone oil, which reduces the surface tension of liquid systems and supports uniform spreading of coatings. The product line includes multiple models to adapt to different formulation requirements in global manufacturing scenarios, supporting consistent coating adhesion on various substrate surfaces.

Technical Specifications

Product Name

Model No.

Appearance

Composition

Viscosity  (25℃, cs)

Product Features and Applications

Substrate wetting agent

6-850A

Colorless to light yellow transparent liquid

Polyether modified silicone oil

30-50

Superwetting Equivalent to Momentive L-77Dow DC-67

6-850B

Colorless to light yellow transparent liquid

20-50

Superwetting, Wider PH Compatibility Equivalent to Tego-270BYK-348BYK-349

6-850D

Colorless to light yellow transparent liquid

40-100

Transparentleveling Equivalent to Tego-245

6-850E

Yellow transparent liquid

200-300

Low-foaming, Acid/Alkali Resistant Equivalent to Tego-4100

6-850F

Colorless to light yellow liquid

20-40

Slip property, low foam stabilization , wider PH Compatibility, Leveling promoting

Core Properties of Polyether Modified Silicone Wetting Agent

Wetting and Spreading Performance

This series of wetting agents reduces the surface tension of water-based formulations at a fast rate, supporting complete coverage on substrates with low surface tension. By improving the spreading capacity of coating systems, the products reduce the occurrence of dry spots and uneven coating defects, and support uniform film formation across workpieces with complex geometries. Formulators can adjust the dosage according to formulation needs to achieve target wetting effects for different industrial application scenarios.

Compatibility and Formulation Stability

Specific models in this series have wider pH compatibility, which allows them to adapt to diverse manufacturing formulation systems. Selected models maintain stable performance under acid and alkali conditions, and their chemical structure remains functional without degradation under corresponding working environments. This stability reduces the frequency of formulation adjustments for production lines, and supports continuous operation in large-scale manufacturing processes.

Leveling and Low-Foaming Characteristics

Beyond basic wetting functions, specific models provide transparent leveling effects and enhanced slip properties. These characteristics support the formation of smooth and uniform surface profiles, and reduce the probability of common defects such as cratering and pinholes. Certain models also have low foam stabilization properties, and can work as low-foaming wetting agents in high-speed application processes. These properties support improved film formation effect and surface clarity of final products.

Industrial Application Scenarios

Water-Based Industrial Coating Formulations

This series of silicone materials is mainly used in the formulation of industrial coatings. For coating systems that have difficulty covering low-surface-tension substrates due to their inherent physical properties, adding this product can reduce surface tension and allow the coating fluid to spread over complex workpiece geometries. This application supports improved adhesion and the formation of durable protective films for commercial production environments.

Ink and Resin Manufacturing

These wetting solutions work effectively when added to various ink and resin systems. The transparent leveling properties of corresponding models support uniform print effects with consistent color performance and reduced surface defects. The low-foaming characteristics of specific models can reduce bubble formation during high-speed printing operations. Manufacturers can use these materials to improve the flowability of systems, supporting precise application and consistent quality of end products.

Packaging, Storage and Delivery

This series of silicone materials is available in multiple packaging options, including 25KG plastic drums, 200KG plastic drums, 200KG plastic-coated iron drums, and 1000L IBCs to meet different bulk volume requirements. For optimal storage, keep the product in original sealed packaging at temperatures below 30℃. Under these conditions, the product has a shelf life of 12 months from the production date. Classified as a non-dangerous product, it can be delivered worldwide under standard ordinary cargo transport conditions.

The production facility has over a decade of research and development experience in silicone materials, and provides custom formulation solutions for specific industrial coating requirements. The technical team collaborates with clients to address formulation challenges. The product line can serve as alternatives for well-known international models, and formulators can integrate them into existing systems without major changes to production parameters, which helps enterprise customers optimize procurement costs.

FAQ

What is the main function of substrate wetting agent?

It reduces the surface tension of water-based industrial coatings, allowing the coating system to wet and cover low-surface-tension substrates more easily, and reducing the occurrence of coating defects.

What viscosity ranges are available for these silicone materials?

This series offers multiple viscosity levels, ranging from 20 to 300 cs at 25℃. The specific viscosity depends on the selected model and the formulation requirements of users.

Can this product withstand extreme pH environments?

Specific models such as 6-850E have acid and alkali resistance, while other selected models offer wider pH compatibility to adapt to different formulation systems.

Do you provide custom solutions for specific coating requirements?

The production facility has an in-house research team, and provides customized silicone fluid formulations to help enterprise customers achieve target effects in their specific application fields.

Are your wetting agents compatible with major international brand products?

This series of products has comparable wetting and leveling performance to many international standard models, and can be used as alternatives in industrial application scenarios.

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