Sikasil N Plus US General Purpose Silicone Assembly Sealant

Sikasil N Plus US General Purpose Silicone Assembly Sealant Overview

Sikasil N Plus US is a 100% RTV, one-component neutral cure silicone sealant designed for long-lasting performance. This non-sag, elastomeric sealant offers superior flexibility and bonds well to most substrates without priming. It meets ASTM C-920 and AAMA certification standards, making it ideal for window and door fabrication, glazing, and various sealing applications. With a fungicide additive for mildew resistance and all-season application properties, Sikasil N Plus US ensures reliable, durable seals in diverse environments.

Sikasil N Plus US meets the requirements of ASTM C-920, Type S, Grade NS, Class 25, Use NT, T, M, G, A, O; TT-S-00230C, Type II, Class A; TT-S-001543A, Class A; CAN/CGSB-19.13-M87, AAMA 802.3 Type II, AAMA 803.3, AAMA 805.2, AAMA 808.3 and California Air Resources Board 2003 requirements for Volatile Organic Compound content.

Sikasil N Plus US Features and Benefits

• Long Service Life: Exceptional durability in dynamic joints.
• Excellent Flexibility: Accommodates joint movement with ease.
• Primeless Adhesion: Bonds to most substrates without priming.
• AAMA Certified: Approved for glazing and window backbedding.
• Mildew Resistant: Contains a fungicide for sanitary applications.
• All-Weather Use: Easy to apply in a range of conditions.

Specifications

• Series: Sikasil N Plus US
• Chemistry: One-Component Silicone
• Application: Sealing, Seam Sealing, and Simple Bonding
• Substrates: Glass, Aluminum, Tile, Fiberglass, Plastic, Ceramic, Masonry, Concrete, Brick, and Wood
• Color: Aluminum, Black, White, Colonial White, Bronze, Translucent, Transwhite, and Limestone
• Cure Mechanism: Moisture-Curing (Oxime)
• Package Size: 3 oz (88.7 mL) Tube, 10 oz (295 mL) Cartridge, 13.5 oz (400 mL)
• Unipack, and 20.3 oz (600 mL) Unipack
• Density (Uncured): 
  • Pigmented: 11.6 lb/gal (1.4 kg/l)
  • Translucent: 8.4 lb/gal (1 kg/l)
• Application Temperature: -35°F to 140°F (-32°C to 40°C)
• Skin Time:
  • Pigmented: 15 Minutes
  • Translucent: 20 Minutes
• Tack Free Time: 30 Minutes
• Curing Speed: 1/8 inch 24 Hours
• Shrinkage: Nil
• Shore A Hardness:
  • Pigmented: 30 ± 5
  • Translucent: 15 ± 5
• Tensile Strength:
  • Pigmented: 300 psi (2.07 MPa)
  • Translucent: 190 psi (1.31 MPa)
• Elongation at Break: 430%
• Service Temperature: -80°F to 350°F (-62°C to 176°C)
• Shelf Life: 12 Months
• Storage Temperature: Below 77°F (25°C) - Protect from Direct Sun Light

Applications

• Window and door fabrication, glazing
• Perimeter sealing for windows, doors, and skylights
• Expansion and control joints
• HVAC systems and appliance assembly
• Sanitary seals for kitchens, baths, and solid surfaces
• Marine cabins and vehicle applications (trucks, trailers, RVs)