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DOWSIL™ 402LS Additive

Lowers coefficient of friction giving good flow, leveling and slip in waterborne and radiation curable formulations at low addition levels. Suitable in pigmented and clear coat formulations of wood coatings, industrial metal coatings, inks and overprint varnishes.

Uses:

  • Solventborne, waterborne and radiation cured paints, coatings, inks and overprint varnishes

Benefits:

  • Effective on wood, furniture and plastic substrates
  • Lower the coefficient of friction
  • Highly effective flow and leveling properties
  • Good recoatability
  • Effective at low addition levels
  • Compliant with European legislation for indirect food contact (Swiss Ordinance RS 817.023.21 Annex 6, Part B)
  • BTX-free
  • Enable minimization of raw material portfolio

Properties

These values are not intended for use in preparing specifications.

Typical Properties

  • Benefit Yes No Leveling, Gloss, Slip, Mar Resistance
  • Specific Gravity @ 25°C Yes No 280 to 400
  • System Yes No Radiation-Cured, Water Borne

Dow introduces an innovative family of silicone slip and leveling agents for solventborne, waterborne and radiation curable wood, furniture and plastic coatings, inks and overprint varnishes:

  • DOWSIL™ 205SL Additive
  • DOWSIL™ 204SL Additive
  • DOWSIL™ 401LS Additive
  • DOWSIL™ 402LS Additive

Are you looking to differentiate your formulations by offering systems that provide a pleasing hand feel and improved flow and leveling performance, but can’t find additives that don’t affect recoatability or foam stabilization? Do you have a wide range of resin systems targeting many different applications and are having difficulty finding just the right additive for each system?

Dow's innovative family of slip and leveling agents allows you to identify tailored solutions and fine-tune your solventborne, waterborne and radiation curable coating, ink and OPV formulations for optimum performance on wood, furniture and plastic substrates.

DOWSIL™ 402LS Additive is an easy-to-use, high performance silicone polyether additive that gives good flow, leveling and slip in waterborne and radiation curable formulations at low addition levels. Effective at low concentrations, DOWSIL™ 402LS Additive is recommended to use at approximately 0.2% as supplied, based on the total. As low viscosity liquid, it can be added and incorporated easily during the letdown stage of the process. This 100% silicone polyether copolymer allows high shear stability and flexibility in the order of addition in the paint process.

Key features of specific slip and leveling additives

  • DOWSIL™ 205SL Additive is a multipurpose silicone additive offering top performance in leveling, slip and hand feel, combined with excellent defoaming properties.
  • DOWSIL™ 204SL Additive provides excellent slip, superior hand feel, better recoatability and improved clarity with comparable leveling speed, particularly for radiation curable formulations.
  • DOWSIL™ 401LS Additive provides excellent wetting and leveling in solventborne formulations at use levels as low as 0.075% and without affecting clarity or recoatability.
  • DOWSIL™ 57 Additive and DOWSIL™ 402LS Additive complete the family of additives. Both are standard Dow products for leveling.

While each individual product has primary properties that deliver key performance benefits in a formulation, the final choice of additive should also depend on its secondary attributes. Together these characteristics will reflect the exact combination of properties required for a given application.

Figure 1: Primary and secondary benefits of slip and leveling additives from Dow

Graph: Primary and secondary benefits of slip and leveling additives

Resources

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DOWSIL™ 402LS Additive
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DOWSIL™ 402LS Additive
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