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PERMABOND ES578

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Permabond ES578 — Epoxy structural adhesive, viscosity 600000-800000 mPa·s, Shore D 80-85.

UL94-V0 Premium — flame-retardant 1K epoxy for control cabinets, e-mobility and power electronics.

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  • brand
  • Container
  • Color
  • Country of origin
  • Chemical group
  • Viscosity (adhesives)
  • Viscosity mPa·s
  • Specific gravity
  • Operating temperature (°C)
  • Hardness (Shore D)
  • Storage temperature (°C)
  • Maximum gap width (mm)
  • Thermal conductivity
  • 130°C
  • 150°C
  • 170°C
  • Steel
  • aluminum
  • zinc
  • coefficient of thermal expansion
  • UFI (Unique Formula Identifier)
  • Dielectric strength
  • TG value

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Aluminium UL94 V-0 fire protection heat distribution

 
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: 49-578.KT.G320

HS code: 3506.9190000

Internal reference: 49-578.KT.G320
HS code: 3506.9190000

PERMABOND ES578
PERMABOND ES578
Permabond · Permabond Engineering Adhesives Ltd · SKU 49-578.KT.G320

Permabond ES578 is a 1K epoxy with UL94-V0 flame retardancy — the premium choice for safety-critical industrial bonding applications with fire protection requirements.

Unlike standard industrial epoxies, ES578 is certified flame-retardant according to UL94-V0 (Underwriter's Laboratory) — a rare property required in safety-critical industrial applications such as control cabinets, e-mobility components and power electronics.

As a one-component heat-cure epoxy, ES578 is applied directly without mixing—thus avoiding pot life issues. Curing occurs through the application of heat (typically 30 minutes at 150 °C). The black cure makes the product visually inconspicuous on dark substrates.

UL94-V0 CERTIFICATION

UL94-V0 according to Underwriter's Laboratory — Permabond ES578 is one of the few 1K epoxies with a flame-retardant UL94-V0 classification. The choice for safety-critical industrial applications with fire protection requirements — control cabinets, e-mobility components, power electronics.

Permabond ES578 in figures
UL94-V0
Flame retardant
1K
Single-component
Heat Cure
Heat curing
High temperature
Resistant

What distinguishes Permabond ES578

UL94-V0 flame retardant
Underwriter's Laboratory certified.
1K system
No mixing — apply directly.
Heat Cure
Heat curing 30 min @ 150 °C.
High temperature resistant
Retains strength after hardening.
black pigmented
Visually inconspicuous on dark substrates.
Solvent-free
100% reactive.

What is Permabond ES578 used for?

Control cabinets
UL94-V0 certified for fire protection.
E-mobility components
Fire protection-relevant adhesive bonds.
Power electronics
Control units, inverters, motor controls.
Industrial safety
When standard epoxides are not permitted.
Encapsulation of components
1K heat cure with no pot life limit.

processing

1
Clean surfaces
Prepare bonding surfaces to be clean, dry, and free of grease — degrease with Permabond Cleaner A. Lightly sand aluminum and copper to remove oxide layers.
2
Apply adhesive directly
Apply Permabond ES578 directly from the container without mixing — as a 1K system, there is no pot life limitation. Avoid air bubbles.
3
Add and fix components
Assemble the components with sufficient pressure. Use a clamping device or vise to prevent the parts from moving during curing.
4
Perform heat curing
Curing is achieved through heat application — heat curing is required (typically 30 min @ 150 °C or 60 min @ 120 °C). Typical conditions: 30 minutes at 150 °C in an industrial oven or with equivalent IR/hot air curing. See TDS for exact values.
5
Final strength after cooling
After heat curing, allow the component to cool down – final strength is reached immediately after cooling. Unlike with 2-component epoxies at room temperature, there is no 24-hour waiting time.
Data sheets & safety data sheet
Full TDS and SDS in DE, EN, FR — view or download directly.
To the documents →

Recommended accessories

Permabond Cleaner A Aerosol
Spray cleaner for the quick preparation of bonding surfaces before applying the 1K heat-cure epoxy.
View product →
Permabond ES578 — UL94-V0
Flame-retardant 1K epoxy to Underwriter's Laboratory standard — for safety-critical industrial applications.
View product →
Permabond ES566 — High temperature
High-temperature resistant 1K epoxy for demanding heat applications.
View product →
Permabond ES5691 — IR/hot air
1K epoxy with IR lamp or hot air curing — flexible without an industrial oven.
View product →

Important instructions

Important instructions
Heat curing is required (30 min @ 150 °C or equivalent). Storage: 5–25 °C — Reactivity decreases with increasing storage temperature.
storage
Store between 5 and 25 °C. 1K heat-cure epoxides have limited storage stability—reactivity decreases with increasing storage temperature. Observe the expiration date.

Which Permabond 1K epoxy is suitable for which application?

Permabond ES578 in direct comparison with related products of the ES series.

Permabond ES578
Current product		Permabond ES566 →Permabond ES569 →Permabond ES550 →
ApplicationUL94-V0 1K epoxy — flame retardant + high temperature resistantHigh temperature without UL94High temperature without UL94Standard application
ChemistryOne-component epoxy resin (heat-cure)1K epoxy1K epoxy1K epoxy
CuringHeat curing required (typically 30 min @ 150°C)Heat CureHeat CureHeat Cure
Topics & Application Areas
Key terms related to this product. Also useful for our search and filters.
Aluminium UL94 V-0 fire protection heat distribution

Technical data for PERMABOND ES578

All 24 product information 5 Curing speed (oven) 3 Performance at final strength 2 Physical properties 5 Curing values ​​1 Mechanical properties 1 Shear strength ISO 4587 in N/mm² 3 Thermal properties 3 General 1
Product information
Manufacturer Permabond Engineering Adhesives Ltd
brand Permabond
Container 320 ml
Country of origin Italy
UFI (Unique Formula Identifier) MUY0-N08E-Q002-4HD3
Curing speed (oven)
130°C 75 minutes
150°C 60 minutes
170°C 25 minutes
Performance at final strength
Thermal conductivity 1.0 W/(mK)
Dielectric strength 40-45 kV/mm
Physical properties
Color black
Chemical group epoxy resin
Viscosity (adhesives) High viscosity >5000 mPas
Viscosity mPa·s 600000-800000
Specific gravity 1,6
Curing values
Maximum gap width (mm) 5
Mechanical properties
Hardness (Shore D) 80-85
Shear strength ISO 4587 in N/mm²
Steel 27-41
aluminum 17-31
zinc 14-27
Thermal properties
Operating temperature (°C) -40 to +180
Storage temperature (°C) 2-7
coefficient of thermal expansion 45 x 10-6 mm/mm/°C (
Generally
TG value 105°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 ES578 - Technical Data Sheet DE.pdf
384 KB
Permabond ES578 - Technical Data Sheet DE.pdf
384 KB
Permabond ES578 - Technical Data Sheet EN.pdf
527 KB
Permabond ES578 - Technical Data Sheet EN.pdf
379 KB
Permabond ES578 - Fiche Technique FR.pdf
341 KB
Permabond ES578 - Fiche Technique FR.pdf
341 KB
Safety Data Sheets (SDS) 3
Permabond ES578 - Safety Data Sheet DE.pdf
402 KB
Permabond ES578 - Safety Data Sheet EN.pdf
380 KB
Permabond ES578 - Fiche de Sécurité FR.pdf
401 KB

Frequently asked questions about Permabond ES578

Practical application and design questions — answered by SILITECH.

UL94-V0 1K epoxy — flame-retardant according to Underwriters Laboratory, high-temperature resistant. 1K epoxies are processed directly without mixing and cured in a single heat-cure step.

One-component (1K) epoxies are processed directly from the container without mixing—no pot life limitations, no mixing errors. Disadvantage: Heat curing is required (industrial oven, IR lamp, or hot air). Two-component (2K) epoxies cure at room temperature but require precise mixing and have a limited pot life. One-component (1K) epoxies are suitable for line production with heat-curing infrastructure, while two-component (2K) epoxies are suitable for workshops without an oven.

Heat curing is required (typically 30 min @ 150 °C or 60 min @ 120 °C). For exact conditions, see Permabond TDS — typically 30 minutes at 150 °C or equivalent heat input (e.g., 60 min @ 120 °C).

One-component heat-cure epoxies bond metals (steel, aluminum, copper), composites (CFRP, GFRP), ceramics, and selected heat-resistant plastics. Substrates must tolerate the curing temperature (typically 150 °C).

Permabond ES578 is approved according to UL94-V0 Flame Retardancy. Compliance letter available from Permabond/SILITECH.

Store between 5 and 25 °C. 1K heat-cure epoxies have limited storage stability—reactivity decreases with increasing storage temperature. For long shelf life, store refrigerated. Allow the adhesive to warm to room temperature before opening.

From the Permabond 1K epoxy range: Permabond ES578 (UL94-V0 1K epoxy — flame-retardant + high-temperature resistant); Permabond ES566 (high-temperature 1K); Permabond ES569 (high-temperature 1K); Permabond ES550 (standard 1K). For UL94-V0 fire protection, see ES578; for high temperature, see ES566/ES569; for IR/hot air curing (without an industrial oven), see ES5691.

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Product specifications

Product information
Manufacturer Permabond Engineering Adhesives Ltd
brand Permabond
Container 320 ml
Country of origin Italy
UFI (Unique Formula Identifier) MUY0-N08E-Q002-4HD3
Curing speed (oven)
130°C 75 minutes
150°C 60 minutes
170°C 25 minutes
Performance at final strength
Thermal conductivity 1.0 W/(mK)
Dielectric strength 40-45 kV/mm
Physical properties
Color black
Chemical group epoxy resin
Viscosity (adhesives) High viscosity >5000 mPas
Viscosity mPa·s 600000-800000
Specific gravity 1,6
Curing values
Maximum gap width (mm) 5
Mechanical properties
Hardness (Shore D) 80-85
Shear strength ISO 4587 in N/mm²
Steel 27-41
aluminum 17-31
zinc 14-27
Thermal properties
Operating temperature (°C) -40 to +180
Storage temperature (°C) 2-7
coefficient of thermal expansion 45 x 10-6 mm/mm/°C (
Uncategorized
TG value 105°C
Keywords
Keywords
Aluminium UL94 V-0 fire protection heat distribution

Documents and datasheets

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