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Merbenit HT50

Merbenit HT50

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1K-SMP adhesive with high initial adhesion and rapidly increasing strength.

1K-SMP adhesive with high initial tack and rapid strength increase — combines easy processing with rapid strength development, ISEGA-approved for food contact 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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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

 
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 HT50
Merbenit HT50
Merbenite ·

Merbenit HT50 is a 1K-SMP adhesive with high initial tack and rapidly increasing strength — combining easy processing with rapid strength build-up, ISEGA-approved for food contact 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. HT50 is a specific variant of the Merbenit SMP series—its key properties and applications are described below.

High immediate adhesion — ready for immediate transport

Merbenit HT50 combines easy processing with high initial adhesion and rapidly increasing strength. Bonded parts can be transported after a short time, and fixings can be removed quickly. ISEGA-approved for food contact areas, with eco-bau ECO-BKP 1st priority, EMICODE EC1Plus and Eurofins IAC Gold.

HT50 in numbers
Immediate liability
high
Shore A 45
hardness
200 %
Elongation at break
ISEGA
near food

What makes HT50 stand out

High immediate liability
Bonded parts are immediately ready for transport — fixings can be removed shortly after bonding.
Rapidly increasing strength
Rapid further processing is possible.
ISEGA-approved
Safe for use in food-related areas.
eco-bau ECO-BKP 1st priority
Swiss building ecology top rating.
EMICODE EC1Plus + Eurofins IAC Gold
Very low emissions for indoor applications.
EPS/XPS compatible
Compatible with polystyrene insulation materials.

What is HT50 used for?

Instant adhesives
Bonding without support device with short waiting time.
Elevator construction
Elevator components with high initial strength.
Passenger bridges
Passenger boarding bridges with immediate liability requirements.
household appliances
Bonding of household appliance components in areas near food contact.
Food industry
Adhesive bonding in food processing plants.
Bodywork
Fast body bonding with ISEGA compliance.
Data sheets & safety data sheet
TDS and SDS in multiple languages ​​— watch or download directly.
To the documents →

processing

1
clean substrate
Bonding surfaces should be clean, grease-free, and dry — degrease with rubbing alcohol, isopropanol, or acetone. Bonding to PP, PE, PTFE, and silicone is not possible; bitumen substrates are also unsuitable.
2
Primer (if needed)
Use Primer V40 on smooth substrates, and Primer V21 on absorbent substrates. Primer V40 is recommended for powder-coated surfaces and plastics.
3
Open cartridge/bag
Cut the cartridge tip to the desired cross-section of the bead and insert it into a standard cartridge gun (290 / 310 / 400 / 600 ml).
4
Apply
Apply a uniform bead or dot of adhesive. Join within the pot life – press the components together with sufficient pressure.
5
Smoothing + Correcting
Smooth or correct position with a smoothing tool within the processing time (5–30 min depending on the variant).
6
Curing
Cross-linking through humidity — curing 2–3 mm in 24 h, fully cross-linked after 48 h. Higher humidity accelerates cross-linking.

Recommended accessories

Merbenit HS60
High-modulus 1K-SMP (Shore A 60) with ISEGA + RLT VDI 6022 — highest strength in the series.
View product →
Merbenit TMS32
500% elongation at break — highest tolerance for natural stone, wooden floors, sanitary joints.
View product →
Merbenit SF50
Fast-setting 1K-SMP adhesive for Minergie-ECO construction projects with eco-bau ECO-BKP 1st priority.
View product →

HT50 compared to related Merbenit products

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

HT50
Current product		 HM21 →SF50 →SK212 →
Networking system1K moisture-curing1K moisture-curing1K moisture-curing1K moisture-curing
consistencystablestable, ≤3 mmstablestable
Shore A hardnessA 45A 45A 50A 55
Tensile strength2.5 N/mm²2.5 N/mm²3.4 N/mm²2.8 N/mm²
Elongation at break200 %350 %200 %225 %
Module 100%1.5 N/mm²1.6 N/mm²2.2 N/mm²2.0 N/mm²
Processing time10 min30 min8 min15 min
Curing time: 24 hours2.5 mm≥3.0 mm≥3.5 mm3.5 mm
Curing time: 48 hours4.0 mm≥4.0 mm≥4.5 mm4.5 mm
density1.481.521.401.35
Temperature range-40 / +90 °C-40 / +90 °C-40 / +90 °C-40 / +90 °C
Change in volume≤4 %≤5 %≤7 %≤3 %
Main applicationInstant adhesivesMetal constructionMinergie-ECO building projectsWindscreen replacement
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 HT50

All 15 product information 4 Performance at final strength 1 Physical properties 6 General 4
Product information
Tensile strength approx. 2.5 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 200%
Physical properties
density 1.48 g/cm³
Hardness (Shore A) approximately 45
Chemical group Silane-modified polymer
Color black, white, grey
Cured layer thickness after 24 hours approx. 2.5 mm
curing technique Moisture-curing
Generally
Processing temperature +5 °C to +40 °C
Tension at 100% elongation approx. 1.5 N/mm²
Change in volume ≤ 4%
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 HT50 - Safety Data Sheet DE.pdf
75 KB
Merbenit HT50 - Fiche de Sécurité FR.pdf
75 KB

Frequently asked questions about HT50

Practical application and design questions — answered by SILITECH.

Merbenit HT50: 1K SMP adhesive with high initial tack and rapid strength development — combines easy processing with fast strength build-up, ISEGA-approved for food contact applications. Main applications: Immediate tack bonding, elevator construction, passenger bridges.

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.

HT50 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. 2.5 N/mm²
Temperature range (°C) -40 °C to +90 °C
consistency Stable
Performance at final strength
Elongation at break approximately 200%
Physical properties
Color black or white or grey
density 1.48 g/cm³
Hardness (Shore A) approximately 45
Chemical group Silane-modified polymer
Cured layer thickness after 24 hours approx. 2.5 mm
curing technique Moisture-curing
Uncategorized
Processing temperature +5 °C to +40 °C
Tension at 100% elongation approx. 1.5 N/mm²
Change in volume ≤ 4%
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: