YINK-A15(515) Silicone-Free Polymer Defoamer

YINK-A15 is used in unsaturated polyester resin systems, solid surface materials, translucent panels, epoxy and polyurethane systems. It is also suitable for solvent-free system products, pultrusion processes, and adhesive systems to improve fiber wettability. Additionally, it can be used in high-thixotropic gel coats and acrylic resin systems.

Product Specifications

Chemical Composition

Solution of silicone-free defoaming substances

Typical Physical and Chemical Data

The data provided on this page are standard values; the production technical indicators of the product are within their allowable error range.

Appearance: Pale yellow transparent liquid

Density (20°C, g/ml): 0.809-0.811

Refractive Index (20°C): 1.438-1.440

Turbidity: < 3.5 TE/F

Application Information

Room Temperature Curing Systems

Features and Benefits

? Excellent defoaming efficiency and transparency for unsaturated polyester resins and vinyl resins;

? Performs well in hand lay-up and fiber spray processes and can be used with YINK-555 to achieve a better balance between defoaming and transparency.

? Delivers good results in various adhesive and sealing applications;

? Also serves as an excellent defoamer in polyurethane PU, acrylate, and alkyd resin systems.

Recommended Applications

Almost all unsaturated polyester resins, vinyl esters and their processing, polyurethane resins, acrylic resins, adhesives, and sealants.

Recommended Dosage

0.1-0.5% based on the total formulation.

The above data are empirical dosages; the optimal dosage should be determined through a series of tests.

Addition Method and Processing Guidance: Stir into the resin before adding other components.

Packaging and Storage

25KG or 170KG net weight/blue iron drum

Store in a cool, dry, and well-ventilated warehouse, keep sealed, and handle with care during transportation.