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Polymer Distribution
Sika Sikaflex® -15 LM High-performance, low-modulus elastomeric sealant
Categories: Polymer; Thermoset; Polyurethane, TS; Thermoset Polyurethane, Elastomer, Unreinforced

Material Notes: Sikaflex-15 LM is a low-modulus, high-performance, 1-component, polyurethane-based, non-sag elastomeric sealant. Meets Federal Specification TT-S-00230C, Type II, Class A; ASTM C-920, Type S, Grade NS, Class 100/50, use T, NT, G, A, O, M; Federal Specification for silicones - TT-S-001543 A, Type non-sag. Tested in accordance with ASTM C-1382 for use in EIFS systems.

Where to use:

  • Excellent for moving joints in vertical applications.
  • Suitable for use between similar as well as dissimilar materials.
  • Typical applications include joints in concrete panel and wall systems, around window and door frames, reglets, flashing, common roofing detail applications, etc.
  • Exceptional sealant choice for high-rise and facade applications where high movement capability is required.
  • 2- and 3-hour UL Fire Rated Joint System Nos. FF-S-0007, FF-S-0037, FW-S-0015, FW-S-0018, HW-S- 0076, HW-S-0095, WW-S-0011 and WW-S-0060.
  • An effective sealant for use in Exterior Insulation Finish Systems (EIFS).
Advantages:
  • Low modulus of elasticity.
  • Easy and ready to use.
  • Eliminates time, effort, waste, and equipment clean-up.
  • Cures to a durable, flexible consistency.
  • Exceptional cut and tear resistance.
  • Stress relaxation properties.
  • Excellent adhesion.
  • Bonds to most construction materials without a primer.
  • Paintable with water-, oil- and rubber based paints.
  • Excellent resistance to aging, weathering.
  • Jet fuel resistant.
  • Proven in tough climates around the world.
  • Non-leaching.
  • Capable of +100% / -50% joint movement.
Colors include White, Colonial White, Aluminum Gray, Limestone, Black, Dark Bronze, Capitol Tan, Off-White, Beige, Almond, Coping Stone, Aluminum Stone, Medium Bronze, Redwood Tan, Hartford Green and Stone.

Information provided by Sika Corporation.

Vendors:
Available Properties
  • Hardness, Shore A, ASTM D2240, 21 day
  • Tensile Strength, ASTM D412, 21 day
  • Tensile Stress at Strain, ASTM D412
  • Elongation at Break, ASTM D412
  • Peel Strength, TT-S-00230C, Concrete, 0% Adhesion loss
  • Peel Strength, TT-S-00230C, Aluminum, 0% Adhesion loss
  • Peel Strength, TT-S-00230C, ASTM C-794, Glass, 0% Adhesion loss
  • Maximum Service Temperature, Air
  • Minimum Service Temperature, Air
  • Cure Time, Final cure
  • Tack-Free Time, Tack-free touch
  • Tack-Free Time
  • Shelf Life, 5 gal. pails
  • Shelf Life, 55 gal. drums
  • Shelf Life, 10.1 fl. oz. cartridges
  • Shelf Life, 20 fl. oz. uni-pac sausages
  
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