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DOWSIL™ 205SL Additive

Creates a superior and differentiated hand feel the consumer values, important for applications such as wood coatings and overprint varnishes. Suitable across a wide range of substrates including paper, board, wood and plastics and multiple delivery coating systems Also functions as an antifoam.

Benefits:

  • Can be used in solventborne, waterborne and radiation cured paints, coatings, inks and overprint varnishes
  • 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 typical properties and are not intended for use in preparing specifications.

  • Melting Point Yes No < -20 °C

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

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 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™ 205SL Additive is a high-performance product that gives excellent hand feel in multiple coating formulations at low addition levels. This additive also functions as an antifoam, bringing both enabling and problem-solving benefits to the formulator and reducing the amount of additives required in the formulation.

Effective at low concentrations, DOWSIL™ 205SL Additive is recommended to use at approximately 0.2% as supplied based on the total formulation. As low viscosity liquid, it can be added and incorporated easily during the letdown stage of the process.

Figure 1: DOWSIL™ 205SL Additive brings foam control in multiple delivery systems, allowing formulators to simplify their formulations and reduce the number of raw materials in their portfolio. Additives were added at 0.2 weight % in the total formulation. Foam control was assessed by measuring foam height after stirring at 5,000 rpm for 1 min.

Graph: Additive foam control comparison

Figure 2: Dynamic coefficient of friction, leveling and recoatability of a solventborne, 2K PU wood coating containing various DOWSIL™ additives versus competitor additives. Additives were added at 0.2% by weight in the total formulation.

Graph: Dynamic coefficient of friction, leveling and recoatability of a wood coating

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 DOWSIL™ 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 3: Primary and secondary benefits of DOWSIL™ Slip and Leveling Additives

Table: Primary and secondary benefits of slip and leveling additives
  • DOWSIL™ 7091 Adhesive Sealant
    High performance, neutral cure silicone adhesive/sealant.

  • DOWSIL™ 9041 Silicone Elastomer Blend
    A mixture of high molecular weight silicone elastomers (dimethicone crosspolymer) in low viscosity dimethicone fluid for use in skin care, color cosmetics, sun care, antiperspirants and deodorants, and wound care applications. INCI Name: Dimethicone (and) Dimethicone Crosspolymer

  • DOWSIL™ 758 Silicone Weather Barrier Sealant
    A one part, neutral cure silicone sealant, designed for adhering to low energy surfaces common in sheet or peel and stick weather resistant barriers. Primerless adhesion to LDPE, anodized aluminum, vinyl, powder coated aluminum, Kynar® coated aluminum.

  • XIAMETER™ AFE-0310 Antifoam Emulsion

    30% active silicone emulsion designed to control foam in aqueous systems over wide pH ranges. Recommended for industrial applications such as gas scrubbing (amine or carbonate), gas drying (glycol), pesticide manufacture and other crop protection products.


  • DOWSIL™ 1200 OS Primer
    An air drying primer supplied as a dilute solution of moisture reactive materials in volatile siloxane and is used to improve both the quality and speed of adhesion development to room temperature vulcanizing silicone sealants to a variety of common non-porous substrates.

  • DOWSIL™ 9045 Silicone Elastomer Blend
    A mixture of high molecular weight silicone elastomers (dimethicone crosspolymer) in cyclopentasiloxane for use in skincare, suncare, shower gel, hair care, and color cosmetic applications. INCI Name: Cyclopentasiloxane (and) Dimethicone Crosspolymer

  • SYLGARD™ 527 A&B Silicone Dielectric Gel

    A two-part, 1 to 1 mix ratio dielectric gel that is suitable for sealing and protecting various electronic devices, especially those with delicate components.


  • DOWSIL™ HMW 2220 Non-Ionic Emulsion
    A 61 percent nonionic emulsion of a high molecular weight divinyldimethicone / dimethicone copolymer for use in skincare, suncare, shower gel, color cosmetic, and hair care applications. INCI Name: Divinyldimethicone / Dimethicone Copolymer (and) C12-13 Pareth-23 (and) C12-13 Pareth-3

  • XIAMETER™ PMX-200 Silicone Fluid 350 cSt
    100% active, 350 cSt, polydimethylsiloxane polymer. INCI Name: Dimethicone

  • XIAMETER™ PMX-1503 Fluid
    A blend of an ultra high viscosity dimethiconol in a low viscosity dimethicone fluid for use in skincare, suncare, and color cosmetic applications. INCI Name: Dimethicone (and) Dimethiconol.

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DOWSIL™ 205SL Additive
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DOWSIL™ 205SL Additive
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