Product Information

P611435 ADJ DiTec 240 SIKAFLEX-221 SEALANT 300ml

General Characteristics

• Code: P611435
• Name: ADJ DiTec 240 SIKAFLEX-221 SEALANT
• Quantity: 300ml

Product Description

Sikaflex®-221 is a one-component polyurethane multi-purpose adhesive/sealant that bonds well to a wide variety of substrates such as metals, metallic primers and paint coatings (two-component systems), ceramic materials and plastics. It is suitable for the manufacture of permanent elastic joints.

Properties

• Curing: By reaction with atmospheric humidity
• Application Temperature: Between 5 °C and 40 °C
• Temperature Resistance: -50 ─ 90 °C
• Maximum Operating Temperature: 120 °C
• Shelf Life: 12 months

Resistance

• Resistant to fresh water, seawater, diluted acids and diluted caustic solutions.
• Temporarily resistant to fuels, mineral oils, greases and vegetable and animal oils.
• Not resistant to organic acids, glycols alcohol, concentrated mineral acids and concentrated caustic solutions.

Surface Preparation

Surfaces must be clean, dry and free of grease, oil and dust residues. Surface treatment depends on the nature of the substrates and is crucial for a lasting bond. Recommendations for surface preparation can be found in the updated edition of the Sika® Pretreatment Table. Please note that these recommendations are based on experience and should be verified by testing on the original substrates.

Application

It can be extruded with manual, pneumatic or electric piston guns, as well as pumping equipment. Smoothing and finishing must be done within the product's skin time.

Cleaning

Uncured Sikaflex®-221 can be removed from tools and equipment with Sika® Remover-208 or another suitable solvent. Once cured, the product can only be removed mechanically.

Safety

Wash exposed hands and skin immediately using Sika® Hand Clean wipes or a suitable industrial hand cleaner and water. Do not use solvents on the skin!