Industries

TEROSON® MS 935 – Silane-Modified Polymer Sealant – Bonding and sealing in automotive and construction

  • Item Name: TEROSON MS 935
  • Manufacturer: Henkel
  • Product category: Adhesive/Sealant
  • Technologies: Silane-modified polymer
  • Applications: Ideal for elastic bonding, sealing, and anti-flutter applications in automotive, rail, shipbuilding, photovoltaics, and construction industries.
  • Color: White, Grey, Black
  • Cure type: Humidity (moisture cure)
  • Package size: Available in 290 mL cartridges and foil cartridges of 310 mL and 570 mL
  • Shelf life: 12 months

1. Product Overview

TEROSON MS 935 is a high-viscosity, one-component adhesive/sealant based on silane-modified polymer technology. It cures upon exposure to moisture to form a soft elastic bond. This product is free of solvents, isocyanates, silicones, and PVC, making it environmentally friendly and odorless. It provides excellent adhesion to various substrates and is compatible with most paint systems. Its high sag resistance ensures immediate tack and reduced need for mechanical fixing. The sealant offers good UV resistance, making it suitable for both interior and exterior applications. It also allows for accelerated curing when used as a two-component system.

2. Applications

  • Elastic, anti-flutter bonding of metals and plastics (e.g., panel stiffeners, roof skins).
  • Used in the photovoltaics industry.
  • Elastic bonding in shipbuilding, specifically for bonding wood core plywood to metal boat decks.
  • Seam and joint sealing in various industries:
    • Vehicle body manufacturing
    • Railway carriage construction
    • Container manufacturing
    • General metal construction
    • Electrical, plastics, air-conditioning, and ventilation industries

3. Typical Properties

Property Value / Description
Density (g/cm³) ~1.5
Consistency Pasty, Thixotropic
Skin formation time (min) 5 to 20
Cure rate (mm/24 hrs) ~3
Shore-A Hardness (ISO 868) ~50
Tensile Strength (MPa, ISO 37) 2.8
Elongation at Break (%) ~230
Stress at 100% elongation (MPa) ~1.5
Volume change (%) <2.5
Paint Compatibility Can be painted (wet-on-wet)
UV Resistance No significant changes
UV Source Osram Vitalux 300W, dry UV
Test Period (weeks) 6
Application Temperature (°C) 5 to 40
Service Temperature Range (°C) -40 to +100
Short-Term Exposure (°C, up to 1h) 120
Storage Temperature (°C) 10 to 25
Shelf Life (months, unopened) 12

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