Silicones, silicone oils, sprays
Casting and potting resins)
HS Code:
3214.1000
Technical Data
Typical values, not a specification. The technical data sheet (TDS) is binding.
Product Information
- Tensile Strength
- approx. 2.8 N/mm²
- Temperature range (°C)
- -40 °C to +90 °C
- Container
- 290ml cartridge, 600ml bag
- Consistency
- Non-slumping
Performance at Full Cure
- Elongation at break
- approx. 225%
Physical Properties
- Density
- 1.35 g/cm³
- Hardness (Shore A)
- approx. 55
- Chemical group
- Silane-modified polymer
- Color
- black
- Cured layer thickness after 24 hours
- approx. 3.5 mm
- Curing technology
- Moisture curing
Features
- Processing temperature
- +5 °C to +40 °C
- Stress at 100% elongation
- approx. 2.0 N/mm²
- Volume change
- ≤ 3%
- Number of components
- 1K
Product Description
Merbenit SK212 is a 1K-SMP glass adhesive with very high initial adhesion — FMVSS 212 certified, drive-away time 60 minutes, Euro-NCAP frontal impact 64 km/h, GPS/assistance-system compatible.
Silane-modified polymers (SMP) are modern high-performance adhesives — moisture-curing, solvent-free, isocyanate-free, and silicone-free, with a very broad adhesion spectrum on metals, painted and galvanized surfaces, engineering plastics, glass, ceramics, concrete, stone, and wood. Paint-compatible, corrosion-protective, shock- and vibration-resistant, low-odor. SK212 is a specific variant of the Merbenit SMP series — the most important properties and applications are listed below.
Merbenit SK212 is the glazing adhesive for automotive — specifically for the replacement of windshields and general glass bonding in cabs and vehicles. FMVSS 212 certified with a 60-minute drive-away time, Euro-NCAP frontal impact 64 km/h, high electrical resistance for aluminum bodies with GPS and driver assistance systems.
What sets SK212 apart
What is SK212 used for?
Processing
Recommended accessories
SK212 in comparison with related Merbenit products
Direct comparison of mechanical and processing values — all data from the official Merbenit TDS.
SK212 Current Product |
HT50 → | MB55 → | PC200 → | |
|---|---|---|---|---|
| Crosslinking system | 1K moisture-curing | 1K moisture-curing | 1K moisture-curing | 1K moisture-curing |
| Consistency | non-sag | non-sag | non-sag | non-sag |
| Shore A hardness | A 55 | A 45 | A 55 | A 57 |
| Tensile Strength | 2.8 N/mm² | 2.5 N/mm² | 3.1 N/mm² | 3.7 N/mm² |
| Elongation at break | 225 % | 200 % | 300 % | 200 % |
| Modulus 100% | 2.0 N/mm² | 1.5 N/mm² | 1.8 N/mm² | 2.3 N/mm² |
| Processing time | 15 min | 10 min | 10 min | 8 min |
| Through-curing 24 h | 3.5 mm | 2.5 mm | ≥2.0 mm | ≥2.5 mm |
| Through-cure 48 h | 4.5 mm | 4.0 mm | ≥4.0 mm | ≥3.5 mm |
| Density | 1.35 | 1.48 | 1.53 | 1.50 |
| Temperature range | –40 / +90 °C | –40 / +90 °C | –40 / +90 °C | –40 / +90 °C (briefly +240 °C) |
| Volume change | ≤3 % | ≤4 % | ≤6 % | ≤4 % |
| Main application | Windshield replacement | Immediate-bonding applications | Shipbuilding | Powder coating front-end bonding |
Frequently asked questions about SK212
Practical application and design questions — answered by SILITECH.
Merbenit SK212: 1K-SMP glass adhesive with very high initial adhesion — FMVSS 212 certified, drive-away time 60 minutes, Euro-NCAP frontal impact 64 km/h, GPS/assistance-system compatible. Main applications: windshield replacement, cabin glazing, vehicle side windows.
SMP = Silane-modified polymer. This modern adhesive class combines the advantages of silicone (elasticity, weather resistance, broad adhesion spectrum) and polyurethane (mechanical strength, paint compatibility) — without their disadvantages (silicone: not paintable, corrosion on some metals; PU: isocyanates, often problematic indoors). SMP adhesives are solvent-free, isocyanate-free, and silicone-free, paint-compatible, corrosion-protective, and adhere without primer to most substrates — except PE, PP, PTFE, and silicones.
SK212 adheres to metals (aluminum, stainless steel, steel), powder-coated and painted surfaces, galvanized/anodized/chromated/zinc-coated substrates, many plastics, ceramics, stone, concrete, render, wood, and glass. Not suitable for: PP, PE, PTFE (Teflon), silicones, and bituminous substrates. For critical material pairings, we recommend a preliminary test or the use of a primer (V40 for smooth, V21 for absorbent substrates).
Store in unopened original container in a dry, cool place — typically between +5 and +30 °C. Consult the safety data sheet (SDS) before use. Observe the expiry date on the packaging. Process opened cartridges promptly — skin formation in the nozzle will block further application.
In the comparison table above, you will find related Merbenit products with different properties — different hardness, pot life, elongation at break, or special certifications (IMO, EN 45545-2, FMVSS 212, ISEGA, Minergie-ECO). If you are unsure about the optimal choice, we will be happy to advise you — contact SILITECH with your specific application (substrate pairing, desired hardness, processing workflow, certification requirement).