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PERMABOND ET5429

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Premium 2K epoxy 2:1 volume parts high strength

High-strength structural adhesive 2:1 — 23–28 N/mm² steel, balanced profile.

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  • Chemical group (A)
  • Color (A)
  • Viscosity 20rpm (A)
  • Viscosity 2rpm (A)
  • Specific gravity (A)
  • Chemical group (B)
  • Color (B)
  • Viscosity 20rpm (B)
  • Viscosity 2rpm (B)
  • Specific gravity (B)
  • Country of origin
  • Operating temperature (°C)
  • Mixing ratio
  • Color
  • Viscosity (adhesives)
  • Hardness (Shore D)
  • Storage temperature (°C)
  • Maximum gap width (mm)
  • Drip time at 23°C
  • Functional strength
  • Functional stability at 60°C
  • Final strength at 60°C
  • Peel resistance (aluminum) (ISO 4578)
  • UFI Part A
  • UFI Part B
  • TG value
  • Dielectric strength
  • Steel
  • Glass/Polyester
  • Glass/epoxy
  • CFRP

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Thixotropic vibration resistant

 
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

Internal reference: 49-5429.KT.G050

HS code: 3506.9190000

Internal reference: 49-5429.KT.G050
HS code: 3506.9190000

PERMABOND ET5429
PERMABOND ET5429
Permabond Permabond Engineering Adhesives Ltd SKU 49-5429.KT.G050

Permabond ET5429 is a high-strength 2K structural adhesive in a 2:1 ratio — the all-round choice with a balanced pot life and 23–28 N/mm² steel strength.

ET5429 is positioned between the fast-setting ET5401 and the strongest ET5428 black — offering a balanced ratio of pot life to final strength. The black and white component design allows for visual mixing control.

APPLICATION PROFILE

High-strength structural adhesive in a 2:1 ratio — 23–28 N/mm² steel shear strength, balanced profile between ET5401 (faster) and ET5428 (higher strength). The all-round choice in the 2:1 class.

Permabond ET5429 in figures
23–28
N/mm² steel
2:1
mixture
structural adhesive
High Feast
RT-Cure
room temperature

What distinguishes Permabond ET5429

High steel strength
23–28 N/mm².
Black and white components
Mixed state visible.
2:1 mixing ratio
Standard double cartridge.
Balanced potting time
Mid-range.
Full curing at room temperature
No heat curing.
structural adhesive
Industrial grade.

What is Permabond ET5429 used for?

General structural bonding
When no specific requirement dominates.
Composite bonding
CFRP/GFRP components.
Mechanical and plant engineering
Industrial structural bonding.
Heavy industry
Highly stressed adhesive bonds.
Line production
When a 2:1 ratio is preferred.

processing

1
Clean surfaces
Bonding surfaces must be clean, dry, and free of grease. Degrease with Permabond Cleaner A or a solvent (acetone, isopropanol). Lightly sand aluminum and copper to remove oxide layers.
2
Mix components A + B
For dual cartridges: Attach the mixing nozzle and press evenly (2:1 volume mixing ratio). For larger containers: Weigh out the resin and hardener in the correct ratio and mix thoroughly until no streaks are visible. Avoid air bubbles.
3
Apply adhesive + join components
Apply the mixed adhesive to a bonding surface within the pot life (—). Join the components with sufficient pressure to ensure the adhesive is distributed over the entire bonding surface.
4
Fix components in place during curing
Use a clamping device or vise to prevent the components from moving during curing. Wait for handling strength and functional strength to be determined according to the TDS (Technical Data Sheet).
5
Full curing at room temperature
Final strength is typically reached after 24 hours at 23 °C. Increasing the temperature by 8 °C halves the curing time; lower temperatures slow down the process. If required, optional post-curing at 60–80 °C for maximum strength.
Data sheets & safety data sheet
Full TDS and SDS in DE, EN, FR — view or download directly.
To the documents →

Recommended accessories

SILISIL Adhesive Dispensing Gun 50 ml
Manual dispensing gun for 50 ml twin cartridges with 1:1 and 2:1 mixing ratios — precise dispensing without waste for multi-component adhesives.
View product →
Mixing nozzle MBQ 05-24L (50 ml)
Static mixing nozzle for 50 ml dual cartridges (1:1 / 2:1) — nozzle with Luer-Lock tip recommended by Permabond for this product.
View product →
Permabond Cleaner A Aerosol
Spray cleaner for quickly degreasing the bonding surfaces before applying the 2K epoxy.
View product →
Permabond ET515 — aerospace star
Highly flexible 1:1 epoxy for aircraft seat trays and composite structural bonding — Permabond recommended for aerospace.
View product →
Permabond ET5162 — Food
EU 10/2011 + FDA compliant for direct food contact — the premium choice for food processing.
View product →
Permabond ET5441 — Thermally conductive
UL94-V0 + 1.0–1.4 W/(m·K) thermal conductivity — for heat sinks, batteries and power electronics.
View product →

Important instructions

Important instructions
Degrease surfaces before gluing.
storage
Store at 5 to 25 °C. Keep 2K epoxy components in closed packaging — protect the hardener especially from moisture.

Which Permabond 2K epoxy is suitable for which application?

Permabond ET5429 in direct comparison with related products of the ET series.

Permabond ET5429
Current product		Permabond ET5428 →Permabond ET5401 →Permabond ET540 →
Application / PropertyHigh-strength structural adhesive 2:1 — 23–28 N/mm² steelBlack premium versionFaster, slightly lower strengthVery long pot life
Mixing ratio2:1 volume parts2:12:12:1
Potting time—10–20 min10–12 min120–150 min
Steel shear strength23–28 N/mm²28–34 N/mm²20–30 N/mm²22–26 N/mm²
carbon fiber——22–24 N/mm²—
Topics & Application Areas
Key terms related to this product. Also useful for our search and filters.
Thixotropic vibration resistant

Technical data for PERMABOND ET5429

All 34 product information 5 Curing speed (oven) 1 Physical properties A 6 Physical properties B 6 Performance at final strength 2 Bonding properties 1 Physical properties 2 Curing values ​​2 Mechanical properties 1 Shear strength ISO 4587 in N/mm² 4 Thermal properties 2 General 2
Product information
Manufacturer Permabond Engineering Adhesives Ltd
brand Permabond
Container 50 ml
Country of origin Italy
Mixing ratio 2:1
Curing speed (oven)
Final strength at 60°C 2 hours
Physical properties A
Chemical group (A) epoxy resin
Color (A) White
Viscosity 20rpm (A) 150000-250000
Viscosity 2rpm (A) 200000-400000
Specific gravity (A) 1.0
UFI Part A X720-30E7-Q008-VUAM
Physical properties B
Chemical group (B) Polyamine hardener
Color (B) Black
Viscosity 20rpm (B) 40000-80000
Viscosity 2rpm (B) 100000-200000
Specific gravity (B) 1.0
UFI Part B MA20-M03N-000S-H5WP
Performance at final strength
Peel resistance (aluminum) (ISO 4578) 150-230 N/25mm
Dielectric strength 15-25 kV/mm
Properties of the adhesive
Functional strength 24 hours
Physical properties
Color anthracite
Viscosity (adhesives) paste
Curing values
Maximum gap width (mm) 5
Drip time at 23°C 2-4 hours
Mechanical properties
Hardness (Shore D) 65-75
Shear strength ISO 4587 in N/mm²
Steel 18-22 N/mm²
Glass/Polyester 7-10 N/mm²
Glass/epoxy 14-18 N/mm²
CFRP 20-37 N/mm²
Thermal properties
Operating temperature (°C) -40 to +120
Storage temperature (°C) 5-25
Generally
Functional stability at 60°C 1 hour
TG value +50-60°C

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.

Technical Data Sheets (TDS) 6
Permabond ET5429 - Technical Data Sheet DE.pdf
334 KB
Permabond ET5429 - Technical Data Sheet DE.pdf
480 KB
Permabond ET5429 - Technical Data Sheet EN.pdf
329 KB
Permabond ET5429 - Technical Data Sheet EN.pdf
479 KB
Permabond ET5429 - Fiche Technique FR.pdf
436 KB
Permabond ET5429 - Fiche Technique FR.pdf
296 KB
Safety Data Sheets (SDS) 3
Permabond ET5429 - Safety Data Sheet DE.pdf
419 KB
Permabond ET5429 - Safety Data Sheet EN.pdf
397 KB
Permabond ET5429 - Fiche de Sécurité FR.pdf
419 KB

Frequently asked questions about Permabond ET5429

Practical application and design questions — answered by SILITECH.

High-strength 2-component structural adhesive 2:1 — 23–28 N/mm² steel, balanced profile. The 2-component epoxy is mixed in a 2:1 volume ratio and offers a pot life of —.

Mix both components in a 2:1 ratio by volume — using the mixing nozzle for dual cartridges, weigh precisely for larger containers. Apply within the pot life (—) and join components. Full curing typically occurs after — at room temperature.

The pot life of Permabond ET5429 is typically — at 23 °C. Higher temperatures shorten, lower temperatures lengthen the pot life. Mixing quantities above approximately 100 g may gel more quickly due to an exothermic reaction.

Permabond ET5429 bonds reliably to: Steel: 23–28 N/mm². For thermoplastic substrates, test compatibility before series production.

Permabond ET5429 does not have specific industry-specific approvals such as EU 10/2011 (food), UL94 (fire protection), or Boeing/Airbus (aerospace). For general industrial applications, the product is approved according to Permabond standards.

Permabond ET5429 is a high-strength structural adhesive 2:1 — 23–28 N/mm² steel (2:1 volume parts mix, — pot life). Permabond ET5428 is a high-strength (2:1, 10–20 min pot life) — premium black variant.

From the Permabond 2K epoxy range, select according to application, mixing ratio, and strength requirements: Permabond ET5429 (High-strength structural adhesive 2:1 — 23–28 N/mm² steel); Permabond ET5428 (Highest strength); Permabond ET5401 (Fast 2:1); Permabond ET540 (Long pot life). For aerospace applications, see ET515 (Aircraft seat trays); for food applications, see ET5162 (EU 10/2011 + FDA); for thermal conductivity/fire protection, see ET5441 (UL94-V0).

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Product specifications

Product information
Manufacturer Permabond Engineering Adhesives Ltd
brand Permabond
Container 50 ml
Country of origin Italy
Mixing ratio 2:1
Curing speed (oven)
Final strength at 60°C 2 hours
Physical properties A
Chemical group (A) epoxy resin
Color (A) White
Viscosity 20rpm (A) 150000-250000
Viscosity 2rpm (A) 200000-400000
Specific gravity (A) 1.0
UFI Part A X720-30E7-Q008-VUAM
Physical properties B
Chemical group (B) Polyamine hardener
Color (B) Black
Viscosity 20rpm (B) 40000-80000
Viscosity 2rpm (B) 100000-200000
Specific gravity (B) 1.0
UFI Part B MA20-M03N-000S-H5WP
Performance at final strength
Peel resistance (aluminum) (ISO 4578) 150-230 N/25mm
Dielectric strength 15-25 kV/mm
Properties of the adhesive
Functional strength 24 hours
Physical properties
Color anthracite
Viscosity (adhesives) paste
Curing values
Maximum gap width (mm) 5
Drip time at 23°C 2-4 hours
Mechanical properties
Hardness (Shore D) 65-75
Shear strength ISO 4587 in N/mm²
Steel 18-22 N/mm²
Glass/Polyester 7-10 N/mm²
Glass/epoxy 14-18 N/mm²
CFRP 20-37 N/mm²
Thermal properties
Operating temperature (°C) -40 to +120
Storage temperature (°C) 5-25
Uncategorized
Functional stability at 60°C 1 hour
TG value +50-60°C
Keywords
Keywords
Thixotropic vibration resistant

Documents and datasheets

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