Silicone Surfactants 1621 Product Datasheet

1. Description

Silicone Surfactants 1621 is a non-ionic polyether-modified polydimethylsiloxane surfactant, designed for excellent wetting, leveling, emulsification and foam control. It features low surface tension, good compatibility with aqueous/solvent systems, thermal stability and chemical resistance, widely used in coatings, inks, personal care, textile and industrial formulations.

2. Specification

3. Application

• Coatings & Inks: Promote substrate wetting, improve leveling, eliminate craters, enhance gloss and adhesion; suitable for waterborne, solventborne and UV-curable systems.
• Personal Care: Act as emulsifier, dispersant and wetting agent; improve spreadability and skin feel in creams, lotions, sunscreens and hair care products.
• Textile Processing: Provide softness, smoothness and antistatic properties; used as fabric finishing agent and dyeing auxiliary.
• Agricultural Chemicals: Reduce surface tension of spray solutions, improve deposition and utilization efficiency of pesticides.
• Industrial Formulations: Used as defoamer, emulsifier and leveling agent in cleaning products, metalworking fluids and polyurethane systems.

4. Storage

• Store in cool, dry and ventilated conditions, keep away from heat, direct sunlight, strong acids and alkalis.
• Recommended storage temperature: 5–30℃; avoid freezing or high-temperature exposure.
• Keep containers tightly sealed when not in use to prevent moisture absorption and contamination.
• Under proper storage, the shelf life is 24 months from the date of manufacture.
• Follow local regulations for transportation and disposal of chemical products.