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Merbenit MB55

Merbenit MB55

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Maritime 1K SMP adhesive with IMO-FTPC-Parts-2+5 certification.

Maritime 1K SMP adhesive with IMO-FTPC-Parts-2+5 certification — Shore A 55, high strength, weather-resistant for shipbuilding and maritime applications

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  • Tensile strength
  • Temperature range (°C)
  • Container
  • consistency
  • Elongation at break
  • density
  • Hardness (Shore A)
  • Chemical group
  • Color
  • Cured layer thickness after 24 hours
  • curing technique
  • Processing temperature
  • Tension at 100% elongation
  • Change in volume
  • Number of components

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General Terms and Conditions.

Shipping usually within 1 to 3 business days
(availability will be confirmed after ordering)

. Express logistics. Fast and reliable within Switzerland & Europe.

Shipping from Swiss warehouse within 24 hours. Batch certificate. Invoice within 30 days (B2B). Technical support.
Shipping & Delivery

Usually 1 to 3 working days

Availability will be confirmed after order receipt.

Express logistics within Switzerland & Europe.

General Terms and Conditions →

Product data

HS code: 3214.1000

HS code: 3214.1000

Merbenit MB55
Merbenit MB55
Merbenite ·

Merbenit MB55 is a marine 1K SMP adhesive with IMO-FTPC-Parts-2+5 certification — Shore A 55, high strength, weather-resistant for shipbuilding and marine applications.

Silane-modified polymers (SMPs) are modern, high-performance adhesives—moisture-curing, solvent-, isocyanate-, and silicone-free, with a very broad adhesion spectrum to metals, painted and galvanized surfaces, engineering plastics, glass, ceramics, concrete, stone, and wood. They are paintable, corrosion-resistant, shock- and vibration-resistant, and low-odor. MB55 is a specific variant of the Merbenit SMP series—its key properties and applications are described below.

IMO FTPC Parts 2+5 — maritime standard

Merbenit MB55 is designed for maritime applications and meets the requirements of the International Maritime Organization (IMO) according to FTPC Parts 2+5. High strength (Shore A 55), 300% elongation at break, resistant to temperatures up to +200 °C for short periods (powder coating and thermal coating).

MB55 in figures
IMO FTPC
Parts 2 and 5
Shore A 55
hardness
300 %
Elongation at break
+200 °C
briefly

What makes the MB55 stand out

IMO FTPC Parts 2+5 certified
Meets international maritime fire protection requirements.
High strength (Shore A 55)
Robust bonding in harsh maritime environments.
300% elongation at break
Withstands ship movement and wave loads.
Powder/thermal coating +200 °C
Resistant to high temperatures for short periods.
Correctable
The position can be corrected during processing time.
Weatherproof
UV, aging and saltwater resistant.

What is the MB55 used for?

Shipbuilding
Hatches, rubbing strakes, fittings, deck fittings, frames.
Sandwich components + lightweight construction
Composite components in shipbuilding and container construction.
Ship cladding
Interior and exterior panels, covers, and fascias.
Container and trailer construction
Maritime freight containers and trailers.
Superstructures and base plates
Structural ship bonding.
Maritime repair
Maintenance and repair in shipyards.
Data sheets & safety data sheet
TDS and SDS in multiple languages ​​— watch or download directly.
To the documents →

processing

1
Preparing the ship's surface
Remove rust, grease, and salt residue from the bonding surfaces. Keep dry until application.
2
Apply primer
Marine applications almost always require primers V40 (smooth) or V21 (absorbent) — higher mechanical requirements.
3
Insert cartridge
Standard cartridge gun or 600 ml bag with bag gun for large-area maritime bonding.
4
Apply
Uniform caterpillar — potting time 10 min, correctable.
5
Add + Press
Apply a defined contact force, fixing with clamps if necessary until initial cross-linking is achieved.
6
Curing
Full networking in 48 hours. IMO FTPC Parts 2 and 5 achieved after full networking.

Recommended accessories

Merbenit HS60
High-modulus 1K-SMP (Shore A 60) with ISEGA + RLT VDI 6022 — highest strength in the series.
View product →
Merbenit RV55
Railway vehicle adhesive EN 45545-2 HL3 — highest fire protection level.
View product →
Merbenit PC200
High-temperature 1K-SMP — resistant to +240 °C for short periods, ideal for powder coating pre-assembly bonding.
View product →

MB55 compared to related Merbenit products

Direct comparison of mechanical and processing values ​​— all data from the official Merbenit TDS.

MB55
Current product		 PC200 →HS60 →RV55 →
Networking system1K moisture-curing1K moisture-curing1K moisture-curing1K moisture-curing
consistencystablestablestablesee TDS
Shore A hardnessA 55A 57A 60A 58
Tensile strength3.1 N/mm²3.7 N/mm²3.3 N/mm²3.0 N/mm²
Elongation at break300 %200 %250 %170 %
Module 100%1.8 N/mm²2.3 N/mm²2.3 N/mm²2.6 N/mm²
Processing time10 min8 min10 min30 min
Curing time: 24 hours≥2.0 mm≥2.5 mm≥2.0 mm≥2.0 mm
Curing time: 48 hours≥4.0 mm≥3.5 mm≥3.0 mm≥3.5 mm
density1.531.501.541.52
Temperature range-40 / +90 °C-40 / +90 °C (briefly +240 °C)-40 / +90 °C-40 / +90 °C
Change in volume≤6 %≤4 %≤8 %≤3 %
Main applicationShipbuildingPowder coating stem bondingFood industryRail vehicle interior adhesives HL3
Topics & Application Areas
Key terms related to this product. Also useful for our search and filters.
MS Polymer Universal Automatic Dispensing General Industry and Manufacturing Construction Metal Plastic Low Odor Solvent-Free Silicone- Free Isocyanate-Free Automotive Elastic Merbenit Accessories Spray Guns Sealant Mechanical Engineering

Technical data for Merbenit MB55

All 15 product information 4 Performance at final strength 1 Physical properties 6 General 4
Product information
Tensile strength approx. 3.1 N/mm²
Temperature range (°C) -40 °C to +90 °C
Container 290ml cartridge, 600ml bag
consistency Stable
Performance at final strength
Elongation at break approximately 300%
Physical properties
density 1.53 g/cm³
Hardness (Shore A) 55
Chemical group Silane-modified polymer
Color black, white, grey
Cured layer thickness after 24 hours ≥ 2.0 mm
curing technique Moisture-curing
Generally
Processing temperature +5 °C to +40 °C
Tension at 100% elongation approx. 1.8 N/mm²
Change in volume ≤ 6%
Number of components 1K

For binding values, please refer to the technical data sheet (TDS) in the "Documents" tab.

Documents and datasheets

Click on a document for a preview or the download icon for a direct download.

Safety Data Sheets (SDS) 2
Merbenit MB55 - Safety Data Sheet DE.pdf
75 KB
Merbenit MB55 - Fiche de Sécurité FR.pdf
75 KB

Frequently asked questions about MB55

Practical application and design questions — answered by SILITECH.

Merbenit MB55: Marine 1K SMP adhesive with IMO-FTPC Parts 2+5 certification — Shore A 55, high strength, weather-resistant for shipbuilding and marine applications. Main applications: Shipbuilding, sandwich components + lightweight construction, ship cladding.

SMP = Silane-modified polymer. This modern class of adhesives combines the advantages of silicone (elasticity, weather resistance, broad adhesion spectrum) and polyurethane (mechanical strength, paintability) — without their disadvantages (silicone: not paintable, corrosion on some metals; PU: isocyanates, often problematic indoors). SMP adhesives are solvent-, isocyanate-, and silicone-free, paintable, corrosion-resistant, and adhere to most substrates without a primer — except PE, PP, PTFE, and silicones.

MB55 adheres to metals (aluminum, stainless steel, steel), powder-coated and painted surfaces, galvanized/anodized/chromated/zinc-coated substrates, many plastics, ceramics, stone, concrete, crepi, wood, and glass. Not suitable for: PP, PE, PTFE (Teflon), silicones, and bitumen substrates. For critical material pairings, we recommend a preliminary test or application with a primer (V40 for smooth, V21 for absorbent substrates).

Store in the 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. Use opened cartridges quickly — 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 which product is best for you, we would be happy to advise you—contact SILITECH with your specific application (substrate pairing, desired hardness, processing workflow, certification requirements).

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Product specifications

Product information
Container 290ml cartridge or 600ml bag
Tensile strength approx. 3.1 N/mm²
Temperature range (°C) -40 °C to +90 °C
consistency Stable
Performance at final strength
Elongation at break approximately 300%
Physical properties
Color black or white or grey
density 1.53 g/cm³
Hardness (Shore A) 55
Chemical group Silane-modified polymer
Cured layer thickness after 24 hours ≥ 2.0 mm
curing technique Moisture-curing
Uncategorized
Processing temperature +5 °C to +40 °C
Tension at 100% elongation approx. 1.8 N/mm²
Change in volume ≤ 6%
Number of components 1K
Keywords
Keywords
MS Polymer Universal Automatic Dispensing General Industry and Manufacturing Construction Metal Plastic Low Odor Solvent-Free Silicone- Free Isocyanate-Free Automotive Elastic Merbenit Accessories Spray Guns Sealant Mechanical Engineering

Documents and datasheets

Safety Data Sheets (SDS) and Technical Data Sheets (TDS) are available for download: