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Sikaflex 221 Multi Purpose Polyurethane Sealant, 10.3 oz Cartridge, Black

ID: SIKAFLEX221 Mfr ID: 221
Manufactured by: EIS Supplier
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. Meets approvals ASTM C920 types and federal specifications TT-S-00230C.

USD $151.40 / CS

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This item may be sold in units of 1.

  • Brand name :  Sikaflex
  • Item Name :  Polyurethane Sealant
  • Short Desc :  SIKAFLEX 221 10.3 OZ BLK CARTRIDGE
  • UNSPSC :  31201713

Sikaflex -221 is tested and classified in accordance with ANSI/UL 723 test for surface burning characteristics of building materials. Sikaflex -221 is manufactured in accordance with ISO 9001 / 14001 quality assurance system and the responsible care program.

Design & Construction
Cure Type Moisture Cure 
Form Paste 
Color Black 
Performance Details
Full Cure Time 60 min - 10 days 
Elongation 500% 
Open Time 45 min 
Tensile Strength 260 psi 
Environmental Condition
Temperature Rating -40 to 90 deg C 
Chemical Properties
Composition Polyurethane 
Specific Gravity 1.27 
VOC 28.5g/L 
Viscosity >20.5 sq-mm/sec 
Supporting Information
Applicable Materials Timber, Metals, Metals Primers and Paint Coatings (Two-Part Systems), Ceramics Materials and Plastics 
Physical Properties
Container Size 10.3 oz 
Container Type Cartridge 
Hardness 40 Shore A 
Odor/Scent Aromatic 

Sikaflex 221 Multi Purpose Polyurethane Sealant, 10.3 oz Cartridge, Black Specification Sheet 

Sikaflex 221 Multi Purpose Polyurethane Sealant, 10.3 oz Cartridge, Black Technical Data Sheet 

Sikaflex 221 Multi Purpose Polyurethane Sealant, 10.3 oz Cartridge, Black Safety Data Sheet (SDS) 

Sikaflex 221 Multi Purpose Polyurethane Sealant, 10.3 oz Cartridge, Black Material Safety Data Sheet (MSDS) 

Features :

  • 1-C formulation
  • Elastic
  • Low odor
  • Resistant to weathering
  • Non-corrosive
  • Can be overpainted
  • Can be sanded
  • Low VOC content
  • Bonds well to a wide variety of substrates

Applications :

  • For Making Permanent Elastic Seals of High Adhesive Strength