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PERMABOND A113

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Permabond A113 — anaerobic adhesive, viscosity 500 mPa·s.

Medium-strength universal threadlocker — the standard all-rounder for industrial screw connections.

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  • Viscosity mPa·s
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  • Maximum gap width (mm)
  • Handling strength (M10 steel)@23°C
  • Functional strength (M10 steel) @ 23°C
  • Final strength (M10 steel) @ 23°C
  • Shear strength (steel ISO10123)
  • coefficient of thermal expansion
  • Dielectric strength
  • Thermal conductivity
  • Storage temperature (°C)
  • Operating temperature (°C)
  • UFI (Unique Formula Identifier)

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Screw locking, thread locking, acrylic, single-component , anaerobic adhesives PERMABOND, suitable for drinking water, WRAS-certified PERMABOND A113

 
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: 49-209.FL

HS code: 3506.9190000

Internal reference: 49-209.FL
HS code: 3506.9190000

PERMABOND A113
PERMABOND A113
Permabond · Permabond Engineering Adhesives Ltd · SKU 49-209.FL

Permabond A113 is the universal medium-strength anaerobic threadlocker — for industrial screw connections that need to be tight and vibration-resistant, but should remain removable for maintenance using normal tools.

With a viscosity of 500 mPa·s, A113 is low-viscosity and fills thread flanks with gaps up to 0.12 mm wide. Curing occurs in the absence of air between the threads—handling strength after 15 minutes, final strength after 24 hours.

The breakaway torque of 12 N·m is in the classic medium-strength range — strong enough to resist vibration, but removable with standard tools without heating. The WRAS approval additionally qualifies A113 for direct contact with drinking water — relevant for sanitary and water installations.

APPLICATION PROFILE

The standard all-rounder among anaerobic threadlockers — medium strength, vibration-resistant, and removable with standard tools. The universal choice for most industrial bolted connections that need to be secure but remain serviceable.

Permabond A113 in figures
12 N·m
Breakaway torque
M20
max. thread
15 min
Handling firm
WRAS
drinking water

What distinguishes Permabond A113

Medium strength threadlocker
12 N·m breakaway torque — the industrial standard for vibration-resistant, detachable screw connections.
Can be solved with standard tools
No heating required — maintenance and disassembly easily possible.
WRAS approved for drinking water
Qualified for direct contact with drinking water.
Vibration resistant
Secures screw connections against dynamic loads and loosening.
Corrosion protection
Seals the thread gaps against moisture.
UV fluorescence
Curing can be checked using UV light.

What is Permabond A113 used for?

Industrial screw connections
Standard application in mechanical and plant engineering — screws, studs, threaded studs.
Sanitary and water technology
WRAS-approved — Pumps, fittings, distributors in the drinking water sector.
Mechanical engineering and drive technology
Threads that are firmly attached but should remain removable for maintenance.
Vehicle and plant construction
Vibration-resistant screw locking for dynamically loaded components.
Repair and maintenance
Medium-strength universal fuse for service operations.

processing

1
Clean surfaces
Bonding surfaces must be clean, dry, and free of grease. Degrease with Permabond Cleaner A or a solvent (acetone, isopropanol). Rough surfaces (~25 µm) result in higher bond strength than polished surfaces.
2
Apply adhesive
Apply Permabond A113 directly from the bottle — for through holes, apply a stripe along the thread length; for blind holes, apply a few drops to the bottom. Do not touch the tip to metal surfaces (this will cause premature hardening in the bottle).
3
assembling components
Insert the screws and tighten them to the required torque. For shaft-hub fits, assemble the components before the adhesive begins to cure.
4
Allow to harden
Anaerobic curing begins in the absence of air and in contact with metal. Handling strength is typically achieved after 15 minutes, functional strength after 1 hour, and full strength after 24 hours at 23 °C.
5
Accelerate curing (optional)
Permabond A905 activator can be used on inactive surfaces (stainless steel, zinc, aluminum) or at low temperatures — applied to one adhesive surface, allowed to evaporate, then adhesive applied to the other side.
Data sheets & safety data sheet
Full TDS and SDS in DE, EN, FR — view or download directly.
To the documents →

Recommended accessories

Permabond A905 Activator
Accelerates anaerobic curing on inactive surfaces such as stainless steel, zinc or aluminum and improves gap curing.
View product →
Permabond A 905 Spray
Aerosol version of the A905 activator — convenient application in inaccessible places or large areas.
View product →
Permabond Cleaner A Aerosol
Spray cleaner for quick degreasing and preparation of the bonding surfaces before applying the anaerobic adhesive.
View product →
Permabond A118 High Strength Universal
High-strength all-round bonding — the universal choice for demanding screw, bearing and shaft-hub connections.
View product →

Important instructions

Not suitable for / Important notes
Not for use in applications involving contact with vapor or pure oxygen. Avoid prolonged contact with strong acids or polar solvents. May attack some thermoplastics.
storage
Store at 5 to 25 °C. Anaerobic adhesives lose their reactivity upon contact with metal — do not touch the tip of the bottle to metal surfaces, do not pour the adhesive back into the bottle.

Which Permabond anaerobic adhesive is suitable for which application?

Permabond A113 in direct comparison with related products of the A series.

Permabond A113
Current product		Permabond A011 →Permabond A130 →Permabond A134 →
Application / StrengthMedium-strength threadlockerLow strength — easily removableHigher viscosity, KTW + WRASHigh strength, gap 0.5 mm
viscosity500 mPa·s500 mPa·s1,800 mPa·sPaste consistency
Maximum gap filling.0.12 mm0.12 mm0.12 mm0.5 mm
Breakaway torque12 N·m4 N·m12 N·m30 N·m
Further torque7 N·m5 N·m7 N·m50 N·m
Topics & Application Areas
Key terms related to this product. Also useful for our search and filters.
Screw locking, thread locking, acrylic, single-component , anaerobic adhesives PERMABOND, suitable for drinking water, WRAS-certified PERMABOND A113

Technical data for PERMABOND A113

All 21 product information 5 Performance at final strength 3 Physical properties 6 Curing values ​​4 Thermal properties 3
Product information
Manufacturer Permabond Engineering Adhesives Ltd
brand Permabond
Container 10 ml, 50 ml, 200 ml
Country of origin Italy
UFI (Unique Formula Identifier) R2Y0-301U-X00M-6F4H
Performance at final strength
Shear strength (steel ISO10123) 12 MPa
Dielectric strength 11 kV/mm
Thermal conductivity 0.19 W/(mK)
Physical properties
Chemical group Acrylic Unicomponent
Color blue
Viscosity (adhesives) Low viscosity <500 MPas
Viscosity mPa·s 500
Specific gravity 1.1
fluorescence Yes
Curing values
Maximum gap width (mm) 0.12
Handling strength (M10 steel)@23°C 15 minutes
Functional strength (M10 steel) @ 23°C 1 hour
Final strength (M10 steel) @ 23°C 24 hours
Thermal properties
coefficient of thermal expansion 90 x 10-6 mm/mm/°C
Storage temperature (°C) 5-25
Operating temperature (°C) -55 to 150

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) 3
Permabond A113 - Technical Data Sheet DE.pdf
349 KB
Permabond A113 - Technical Data Sheet EN.pdf
353 KB
Permabond A113 - Fiche Technique FR.pdf
299 KB
Safety Data Sheets (SDS) 3
Permabond A113 - Safety Data Sheet DE.pdf
325 KB
Permabond A113 - Safety Data Sheet EN.pdf
303 KB
Permabond A113 - Fiche de Sécurité FR.pdf
324 KB

Frequently asked questions about Permabond A113

Practical application and design questions — answered by SILITECH.

Permabond A113 is a single-component, anaerobic acrylic adhesive with a viscosity of 500 mPa·s and a gap-filling capacity of up to 0.12 mm. It is a medium-strength threadlocker that is vibration-resistant and removable with tools. Anaerobic adhesives cure in the absence of air and in contact with metal—ideal for tight-tolerance metallic joints.

Anaerobic adhesives like Permabond A113 remain liquid in the bottle (due to contact with air and oxygen) and only begin to harden after bonding under anaerobic conditions and metal-to-metal contact. Curing starts at the metal surface and progresses into the bond gap. The product cures quickly on steel and copper; on stainless steel and zinc, the Permabond A905 activator may be beneficial.

Yes, with tools — Permabond A113 is medium-strength (12 N·m breakaway torque) and can be loosened with standard tools. If necessary, the bond can be gently heated to facilitate disassembly.

Permabond A113 is approved according to WRAS drinking water regulations . These certifications qualify the product for the specified applications — such as direct contact with drinking water in the case of WRAS and KTW approvals.

Permabond A113 typically reaches handling strength after 15 minutes and functional strength after 1 hour at 23 °C on M10 steel. Final strength is reached after 24 hours. On inactive surfaces (stainless steel, zinc) or at low temperatures, the curing time is extended—Permabond A905 activator accelerates the process.

Permabond A113 is a medium-strength threadlocker (500 mPa·s viscosity, 0.12 mm gap filling, 12 N·m breakaway torque). Permabond A011 is a low-strength threadlocker (500 mPa·s, 0.12 mm gap filling, 4 N·m breakaway torque) — low strength — easily removable. Both belong to the anaerobic Permabond A series.

The choice depends on the application: Permabond A113 (medium-strength threadlocker); Permabond A011 (low-strength); Permabond A130 (medium-strength WRAS); Permabond A134 (high-strength). For inactive surfaces (stainless steel, zinc, aluminum), Permabond A905 activator be used to accelerate curing.

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Product specifications

Product information
Container 10 ml or 50 ml or 200 ml
Manufacturer Permabond Engineering Adhesives Ltd
brand Permabond
Country of origin Italy
UFI (Unique Formula Identifier) R2Y0-301U-X00M-6F4H
Performance at final strength
Shear strength (steel ISO10123) 12 MPa
Dielectric strength 11 kV/mm
Thermal conductivity 0.19 W/(mK)
Physical properties
Chemical group Acrylic Unicomponent
Color blue
Viscosity (adhesives) Low viscosity <500 MPas
Viscosity mPa·s 500
Specific gravity 1.1
fluorescence Yes
Curing values
Maximum gap width (mm) 0.12
Handling strength (M10 steel)@23°C 15 minutes
Functional strength (M10 steel) @ 23°C 1 hour
Final strength (M10 steel) @ 23°C 24 hours
Thermal properties
coefficient of thermal expansion 90 x 10-6 mm/mm/°C
Storage temperature (°C) 5-25
Operating temperature (°C) -55 to 150
Keywords
Keywords
Screw locking, thread locking, acrylic, single-component , anaerobic adhesives PERMABOND, suitable for drinking water, WRAS-certified PERMABOND A113

Documents and datasheets

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