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PERMABOND MH052

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Anaerobic thread sealant gel, medium strength, removable

Permabond MH052 — Premium screw locking and thread sealant — BAM Oxygen + DVGW Gas + KTW + WRAS + NSF.

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  • brand
  • Manufacturer
  • Country of origin
  • Torsional strength (M10 steel ISO10964) Breakaway strength
  • Torsional strength (M10 steel ISO10964) Further
  • Chemical group
  • Specific gravity
  • Viscosity (adhesives)
  • fluorescence
  • Maximum gap width (mm)
  • WRAS Drinking Water Approval
  • DVGW gas approval
  • KTW-BWGL Drinking Water
  • BAM Oxygen Service Approval
  • Color
  • Container
  • UFI (Unique Formula Identifier)
  • Storage temperature (°C)

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PERMABOND

 
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: 49-2033.FL

Internal reference: 49-2033.FL

PERMABOND MH052
PERMABOND MH052
Permabond · Permabond Engineering Adhesives Ltd · SKU 49-2033.FL

Permabond MH052 is a premium multi-approval anaerobic solvent — unique BAM oxygen approval combined with DVGW gas, KTW + WRAS drinking water approval, all in one product for the most demanding industrial and utility engineering applications with threads up to M56.

In the Permabond Anaerobic portfolio, MH052 is the product with the most parallel approvals — the rare BAM (Federal Institute for Materials Research and Testing) approval for oxygen service is unique in the Anaerobic range and qualifies MH052 for high-pressure oxygen systems, welding technology and breathing air supply.

The approval list also includes DVGW (natural gas supply), KTW-BWGL (German Drinking Water Ordinance), and WRAS (British Drinking Water Approval). The thixotropic yellow paste consistency is non-drip and fills gaps up to 0.5 mm. With a breakaway torque of 20 N·m, MH052 falls into the medium-strength range—resistant to vibration and removable with standard tools. Its range up to M56 covers even large industrial threads.

PREMIUM MULTI-AUTH

Unique BAM oxygen approval + DVGW gas + KTW/WRAS drinking water approval — Permabond MH052 is the only anaerobic adhesive in the Permabond family with BAM certification for oxygen service. It also holds gas, drinking water, and multi-supply approvals for the most demanding industrial and utility applications.

Permabond MH052 in figures
BAM O₂
Oxygen-certified
DVGW
Gas approval
KTW+WRAS
drinking water
M56
max. thread

What distinguishes Permabond MH052

BAM oxygen approval
Unique in the anaerobic range — qualified for high-pressure O₂ service.
DVGW gas approval
Natural gas supply lines with German safety standards.
KTW + WRAS drinking water
Dual approval under German and British drinking water regulations.
Screw locking + thread sealant
Dual function — secures and seals at the same time.
Threads up to M56
Also large industrial and supply threads.
Thixotropic / 0.5 mm
Does not drip from vertical threads, fills rough tolerances.

What is Permabond MH052 used for?

Oxygen systems
BAM-certified — welding gas supply, breathing air, hospital oxygen.
Natural gas supply lines
DVGW-approved — house connections, distribution networks.
Drinking water systems
KTW + WRAS — Sanitary, water treatment, pharmaceutical sector.
Multi-media industrial plants
When gas, water and oxygen fittings are to be covered with an adhesive.
Sanitary wholesaler
Premium choice for screw connections with the highest approval requirements.

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 MH052 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 nozzle to metal surfaces (this will cause premature hardening in the bottle).
3
Joining 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 with oxygen or pure steam. For inactive surfaces, use A905 activator. Disassemble with tools; if necessary, apply gentle heating.
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 MH052 in direct comparison with related products of the A series.

Permabond MH052
Current product		Permabond A130 →Permabond HH131 →Permabond A129 →
Application / StrengthPremium screw locking compound & thread sealant — BAM Oxygen + DVGW Gas + KTW + WRAS + NSFLow viscosity, KTW + WRASDVGW Gas + KTW Drinking Water, M56Pure thread sealing
viscosity65,000 mPa s @ 2 rpm / 7,000 mPa s @ 20 rpm (thixotropic)1,800 mPa·spastegel
Maximum gap filling.0.5 mm0.12 mm0.3 mm0.5 mm
Breakaway torque20 N·m12 N·m27 N·m12 N·m
Further torque11 N·m7 N·m54 N·m7 N·m
Topics & Application Areas
Key terms related to this product. Also useful for our search and filters.
PERMABOND

Technical data for PERMABOND MH052

All 18 product information 5 Performance at final strength 2 Physical properties 4 Curing values ​​1 Product approvals 4 Thermal properties 1 General 1
Product information
brand Permabond
Manufacturer Permabond Engineering Adhesives Ltd
Country of origin Italy
Container 75 ml, 200 ml
UFI (Unique Formula Identifier) P911-8005-W00G-DA96
Performance at final strength
Torsional strength (M10 steel ISO10964) Breakaway strength 20 N·m
Torsional strength (M10 steel ISO10964) Further 11 N·m
Physical properties
Chemical group Acrylic
Specific gravity 1,1
Viscosity (adhesives) High viscosity / paste
fluorescence Yes
Curing values
Maximum gap width (mm) 0,5
Product approvals
WRAS Drinking Water Approval warm + cold (up to 85 °C)
DVGW gas approval Yes
KTW-BWGL Drinking Water Yes
BAM Oxygen Service Approval Yes
Thermal properties
Storage temperature (°C) 5-25
Generally
Color yellow

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 MH052 - Technical Data Sheet DE.pdf
326 KB
Permabond MH052 - Technical Data Sheet EN.pdf
329 KB
Permabond MH052 - Fiche Technique FR.pdf
293 KB
Safety Data Sheets (SDS) 3
Permabond MH052 - Safety Data Sheet DE.pdf
228 KB
Permabond MH052 - Safety Data Sheet EN.pdf
226 KB
Permabond MH052 - Fiche de Sécurité FR.pdf
228 KB

Frequently asked questions about Permabond MH052

Practical application and design questions — answered by SILITECH.

Permabond MH052 is an anaerobic acrylic adhesive with a viscosity of 65,000 mPa·s @ 2 rpm / 7,000 mPa·s @ 20 rpm (thixotropic) and gap filling capability up to 0.5 mm. Premium universal anaerobic adhesive — BAM oxygen + DVGW gas + KTW + WRAS drinking water, threads up to M56. Anaerobic adhesives cure in the absence of air and in contact with metal — ideal for tight tolerance metallic bonds.

Anaerobic adhesives like Permabond MH052 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 — Permabond MH052 is a thread sealant with moderate torque (20 N·m) and can be removed with standard tools. Designed for maintenance of pipe connections.

Permabond MH052 is approved according to BAM Oxygen Service Approval (unique in the anaerobic series), DVGW Gas Approval, KTW-BWGL Drinking Water Approval, and WRAS Drinking Water Approval . These certifications qualify the product for the respective specified applications—such as direct contact with drinking water in the case of WRAS and KTW approvals.

Permabond MH052 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 MH052 is a premium threadlocker and thread sealant — BAM Oxygen + DVGW Gas + KTW + WRAS + NSF (65,000 mPa·s @ 2 rpm / 7,000 mPa·s @ 20 rpm (thixotropic) viscosity, 0.5 mm gap filling, 20 N·m breakaway torque). Permabond A130 is a Threadlocker WRAS (1,800 mPa·s, 0.12 mm, 12 N·m breakaway torque) — low viscosity, KTW + WRAS. Both belong to the anaerobic Permabond A series.

The choice depends on the application: Permabond MH052 (Premium threadlocker & thread sealant — BAM Oxygen + DVGW Gas + KTW + WRAS + NSF); Permabond A130 (Threadlocker WRAS); Permabond HH131 (High strength, high temperature); Permabond A129 (Pipe Sealant Gel). For inactive surfaces (stainless steel, zinc, aluminum), Permabond A905 activator be used to accelerate curing.

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Product specifications

Product information
Container 75 ml or 200 ml
brand Permabond
Manufacturer Permabond Engineering Adhesives Ltd
Country of origin Italy
UFI (Unique Formula Identifier) P911-8005-W00G-DA96
Performance at final strength
Torsional strength (M10 steel ISO10964) Breakaway strength 20 N·m
Torsional strength (M10 steel ISO10964) Further 11 N·m
Physical properties
Chemical group Acrylic
Specific gravity 1,1
Viscosity (adhesives) High viscosity / paste
fluorescence Yes
Curing values
Maximum gap width (mm) 0,5
Product approvals
WRAS Drinking Water Approval warm + cold (up to 85 °C)
DVGW gas approval Yes
KTW-BWGL Drinking Water Yes
BAM Oxygen Service Approval Yes
Thermal properties
Storage temperature (°C) 5-25
Uncategorized
Color yellow
Keywords
Keywords
PERMABOND

Documents and datasheets

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