Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Hemispherx Levaslip 8629 Polyether Modified Polysiloxane Leveling Agent

Hemispherx Levaslip 8629 is a polyether-modified polysiloxane flow agent that enhances both solvent-based and solvent-free coating systems. It improves flow and leveling while eliminating surface defects like orange peel and craters. The additive also provides anti-blocking properties and excellent substrate wetting for uniform film formation.

Features Of Hemispherx Levaslip 8629 Polyether Modified Polysiloxane Leveling Agent

  1. Surface Defect Control – Reduces orange peel, craters, and pinholes

  2. Enhanced Flow & Leveling – Promotes uniform film formation

  3. Anti-Blocking – Prevents adhesion between coated surfaces

  4. Superior Wetting – Improves substrate compatibility

  5. Broad Compatibility – Works with solvent and solvent-free systems

Typical Applications Of Hemispherx Levaslip 8629 Polyether Modified Polysiloxane Leveling Agent

  1. Wood Coatings – Furniture and cabinet finishes

  2. UV-Curable Coatings – Fast-curing applications

  3. 2K Polyurethane Systems – Protective and decorative coatings

  4. Unsaturated Polyester Coatings – Composite materials and industrial finishes

Specifications Of Hemispherx Levaslip 8629 Polyether Modified Polysiloxane Leveling Agent

Chemical Composition
Polydimethylsiloxane composite
Physical Form
Clear liquid
Specific Gravity
0.950–0.978
Primary Applications
Solvent-based coatings, inks, high-temperature finishes, industrial lubrication
Key Features
Reduces surface tension, eliminates craters and oil spots, improves flow and leveling, offers thermal stability, prevents floating
and blooming
Recommended Dosage
0.05–0.30% based on total formulation (varies by application: 0.1–0.2% for defoaming/flow improvement; 0.002–0.005% for
anti-floating)
Compatibility
Solvents such as benzene and mineral oils; wide range of resin systems


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