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DOWSIL™ OS- 20

An ozone-safe volatile methylsiloxane (VMS) fluid developed specifically for use as a precision cleaning agent and carrier.

Properties

These values are typical properties and are not intended for use in preparing specifications.

  • Boiling Point Yes No 152 °C
  • Color Yes No Colorless, Clear
  • Dynamic Viscosity Yes No 0.8 Centipoise
  • Flash Point, Closed Cup Yes No 34 °C
  • Freezing Point Yes No -82 °C
  • Hydrophobic Yes No true
  • Number of Parts Yes No One
  • Optically Clear Yes No true
  • Resistance Type Yes No Oxidation Resistance, Ozone Resistance, Solvent Resistance, Thermal Resistance, UV Resistance, Water Resistance
  • Shelf Life Yes No 1440 Days
  • Specific Gravity @ 25C Yes No 0.82
  • Surface Tension Yes No 16.5 mN/m
  • Vapor Pressure Yes No 3.9 mm Hg @ 25 Deg C
  • Water Resistant Yes No true
  • DOWSIL™ 790 Silicone Building Sealant
    A one-part silicone formulation that cures in the presence of atmospheric moisture to produce a durable, fire-resistant, flexible and ultra-low-modulus silicone rubber building joint seal.

  • SYL-OFF™ 4000 Catalyst
    General purpose catalyst which is compatible with all Syl-off® brand solvent based and solventless release coating systems as well as Plantinum cure silicone PSAs.

  • DOWSIL™ 983 Structural Glazing Sealant Base and Curing Agent

    Designed for specialized use where dual structural and weatherseal applications are desired for factory glazing and curtainwall production. Once cured, this structural sealant forms a durable, flexible, watertight bond that can be warranted for 20 years and used in ±25% movement weatherseal applications. It has excellent unprimed adhesion to glass, alodine, and anodized aluminum1, although DOWSIL™ Primer-C OS is recommended for fast and consistent adhesion, especially to high-performance substrates approved for architectural structural glazing applications.


  • DOWSIL™ 795 Silicone Building Sealant
    A one-part, cold-applied, non-sagging silicone material that cures to a medium modulus silicone rubber upon exposure to atmospheric moisture.

  • DOWSIL™ 7091 Adhesive Sealant
    High performance, neutral cure silicone adhesive/sealant.

  • DOWSIL™ 791 Weatherproofing Sealant
    A one-part, medium-modulus, elastomeric sealant designed for general weathersealing. It is a silicone formulation that cures to a flexible and curable silicone rubber building joint seal.

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

  • DOWSIL™ 995 Silicone Structural Sealant
    A one-component, self-priming, shelf-stable, neutral-cure, elastomeric adhesive specifically formulated for silicone structural glazing and exhibits excellent unprimed adhesion to most building substrates. This product has superior unprimed adhesion for structural glazing applications for hurricane or impact rated windows and doors. It has a movement capability of +/- 50%.

  • DOWSIL™ Contractors Weatherproofing Sealant
    A one-part, moisture cure, medium modulus sealant that provides durable, flexible, watertight joints and offers outstanding unprimed adhesion to most non-porous substrates. It is specifically developed for sealing dynamically moving joints.

  • DOWSIL™ 756 SMS Building Sealant
    A medium-modulus elastomeric sealant designed for weatherproofing sensitive porous stone and metal panel substrates to reduce residue rundown and substrate staining in new and remedial construction.

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DOWSIL™ OS- 20
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DOWSIL™ OS- 20


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DOWSIL™ OS- 20
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