Loctite Teroson MS 9399 Black - Silane-Modified Polymer (SMP) Adhesive & Sealant - 20-30 minute set, Flexible, Moisture & UV Resistant, Thick Non-Sag Gel

Product Name

Loctite Teroson MS 9399 Black - Silane-Modified Polymer (SMP) Adhesive & Sealant - 20-30 minute set, Flexible, Moisture & UV Resistant, Thick Non-Sag Gel

Brief Description

Loctite Teroson MS 9399 Black is a two-component, highly viscous, sag-resistant Silane-Modified Polymer (SMP) adhesive and sealant. It cures independently of atmospheric moisture to form an elastic product. This product is free from solvents, isocyanates, and silicones, offering high initial strength, flexibility, and excellent resistance to UV radiation, weathering, and fungus.

Popular Applications & Uses

- Elastic bonding and sealing in caravan manufacturing.- Flexible sealing of structural joints, assembly parts, container constructions, doors, and windows in the railroad vehicle industry.- Bonding and sealing in boat and ship construction, including marine sealing and bedding.- Bonding and sealing of structural elements exposed to atmospheric factors in the construction industry.- Fixing solar panels and sealing elastic joints, such as in parking lots.- Bonding panels of various compositions to steel and aluminum framing members in specialty vehicle manufacturing (e.g., trailers, buses).- Industrial door assembly and elevator panel assembly.- Automotive sunroof bonding/sealing, trailer seam and trim bonding, panel bonding, waterproofing seams, bedding trim components, and replacing rivets/fasteners.

Industries that Commonly Use It

- Automotive Service/Repair- Construction/ Building Services- Energy (Solar, Wind)- General Manufacturing- Marine- Metal Fabrication- Plastic Fabrication- Transportation/ Specialty Vehicle

Special and Unique Features

- Two-component system, ensuring a cure independent of air or humidity.- Short tack-free time of 20-30 minutes.- High initial strength and good green strength.- Excellent resistance to UV radiation and weathering.- Good resistance to fungus.- Free from solvents, isocyanates, and silicones, making it safer and environmentally friendly.- Highly viscous, non-sagging, thixotropic gel consistency.- Provides elastic bonding with high elongation.- Cures at room temperature.- Suitable for both indoor and outdoor applications.- Combines the beneficial properties of polyurethanes and silicones.

Key Properties

- Technology: Silane-modified polymer (SMP).- Components: Two-component.- Cure: Room temperature cure, independent of atmospheric moisture.- Color: Black (also available in white/grey).- Consistency: Pasty, Thixotropic, Sag-resistant.- Tack-Free Time: Approximately 20-30 minutes.- Tensile Strength: Approximately 3.0 MPa (435 psi).- Elongation at Break: 150%.- Shore-A-hardness: Approximately 55.- Service Temperature: -40°C to +100°C (-40°F to 212°F).- Odor: Characteristic / Low odor.- Mix Ratio by volume (Part A: Part B): 1:1.

Surface Compatibility

- Exhibits excellent adhesion to a wide variety of substrates.- Adheres to most common materials including metals, plastics, wood, glass, and concrete.- Effectively bonds panels of diverse compositions to steel and aluminum framing members.- For optimal adhesion, surfaces should be clean, dry, and free of oil and grease; mechanical roughening or an adhesion promoter (e.g., Teroson SB 450) may be necessary.- Does not adhere to polyethylene, polypropylene, and PTFE.- Application trials are recommended for PMMA (Plexiglas®) and polycarbonate (Makrolon or Lexan) under tension to prevent stress corrosion cracking.

Known backups / known substitutes

- Loctite 5590 (marketed as Teroson MS 9399 in the US).- Loctite 2638701 (suggested as a replacement in some instances).- Teroson MS 651 2C (another high-reactive, sag-resistant two-component SMP adhesive from Henkel).- Other SMP adhesives and sealants from manufacturers such as H.B. Fuller and Bostik.- General SMP adhesives serve as alternatives to traditional polyurethane and silicone-based products.

Comparison Note

- This product uniquely combines the advantages of polyurethanes and silicones, effectively mitigating their respective disadvantages.- It offers the elasticity characteristic of silicones alongside the strong adhesion and fast cure rates typically found in polyurethanes.- Being free from solvents, isocyanates, and silicones, it presents a safer and more environmentally conscious option compared to many conventional adhesives.- Its ability to cure independently of atmospheric moisture ensures a more consistent and reliable cure, even in varying humidity conditions, unlike some one-component SMPs or moisture-curing polyurethanes.- The high UV and weathering resistance of Teroson MS 9399 surpasses many traditional adhesives and sealants, making it exceptionally well-suited for demanding indoor and outdoor applications.