Sikaflex 221 1-Component Polyurethane Sealant White 4.5 Gallon Pail

Sika Corporation
Item #
SIKA-90898
Mfr. Model # 90898

Sikaflex 221 Polyurethane Adhesive/Sealant White 4.5 gal Pail

Sikaflex-221 is a high-quality multi-purpose non-sag 1-c polyurethane sealant that cures on exposure to atmospheric humidity to form a durable elastomer.

Sikaflex-221 bonds well to a wide variety of substrates and is suitable for making permanent elastic seals of high adhesive strength. Suitable substrate materials are wood, metals, metal primers and paint coatings (2-c systems), ceramic materials and plastics

Characteristics and Advantages:

  • 1-C formulation
  • Elastic
  • Low odor
  • Resistant to aging and weathering exposure
  • Non-corrosive
  • Can be overpainted
  • Can be sanded

  • Bonds well to a wide variety of substrates
  • Resistant to aging
  • Can be sanded and painted
  • Listed under NSF/ANSI/CAN 61 ? Drinking Water System Components (aluminum gray, black, and white)
  • Listed under NSF ? Proprietary Substances and Nonfood Compounds (aluminum gray, black, and white)
  • Non-corrosive
  • Low odor
Product Details
Specification Description
# of Components: Single Component
Adhesive/Glue Type: Caulks & Sealants
Brand Name: Sika Corporation
Brand Part Number: 90898
Chemical Base: Polyurethane
Color: White
Cure Mechanism: Moisture
Elongation: 500%
Model: Sikaflex 221
Operating Temperature: -40° to 195°F
Package Type: Pail
Paintable: Yes
Primary Application: General Purpose
Shelf Life: 365 days
Shore Hardness: 40A
Size: 4.5 Gallon
Specifications Met: NSF Proprietary Substances and Nonfood Compounds, NSF/ANSI/CAN 61
Tear/Shear Strength: 40 pli
Temperature Rating: Standard (Less Than 200°F)
Tensile Strength: 260 psi
Working/Tack/Skin Time: 1 Hour
$516.66 / each

Estimated to ship Tue. Jul 02.