LOCTITE® SF 7471 Primer / Activator | 133g Aerosol | Pack of 3 | IDH 135337 | Business Delivery Only

Fast-Drying Anaerobic Adhesive Activator for Passive Metals, Large Bond Gaps and Low-Temperature Assembly

Supply Solutions Group supplies LOCTITE® SF 7471 Primer / Activator – 133g Aerosol – Pack of 3 (Business Delivery Only) to organisations operating across manufacturing, engineering, mining, automotive, power generation, fabrication, maintenance and industrial workplaces throughout Australia.

LOCTITE SF 7471 is a professional cure-speed activator developed by Henkel to accelerate the curing of compatible LOCTITE anaerobic adhesives and sealants.

The product is particularly useful where normal anaerobic cure speed may be slowed by the substrate, joint gap or ambient temperature.

Henkel specifically recommends LOCTITE SF 7471 for:

• Passive metals

• Inactive or inert metal surfaces

• Larger permissible bond gaps

• Low-temperature assembly

• Cure conditions below approximately 15°C

• Applications where faster fixture development is required

The product is supplied as a transparent yellow-to-amber, very low-viscosity liquid in a convenient aerosol format.

Its solvent system is based on acetone and isopropanol, allowing the applied activator to dry quickly on compatible surfaces before assembly.

Once SF 7471 has been applied and allowed to dry, the treated surface remains active for up to approximately 7 days, provided it remains clean and uncontaminated.

This allows components to be activated in advance where required by production or maintenance workflows.

LOCTITE SF 7471 is designed to be used with compatible anaerobic product categories such as:

• Threadlockers

• Thread sealants

• Retaining compounds

• Flange sealants

• Anaerobic gasketing products

The activator is particularly useful with passive metals such as stainless steel and aluminium, which can naturally cure anaerobic products more slowly than active metal surfaces.

It can also assist when compatible anaerobic adhesives are being used at the upper end of their permissible bond-gap range.

LOCTITE SF 7471 is pre-applied to the substrate.

The correct general process is to apply the activator to the mating surface, allow it to dry, then apply the compatible anaerobic adhesive or sealant and assemble the components.

The activator should not be mixed directly into the adhesive while both products are liquid.

The convenient aerosol delivery system supports rapid and even application across appropriate components.

This listing contains:

3 × 133g LOCTITE SF 7471 Primer / Activator Aerosol Cans

The manufacturer’s 4.50 oz aerosol configuration is identified by Henkel IDH 135337.

Due to aerosol and freight-handling requirements, this product is offered as Business Delivery Only.

As an Indigenous-owned industrial supplier and procurement partner, Supply Solutions Group provides LOCTITE primers, activators, threadlockers, retaining compounds, thread sealants, flange sealants, adhesives and industrial maintenance consumables backed by responsive customer service, procurement support and Australia-wide business supply capability.

Product Type

• Product Type: Anaerobic Adhesive Activator / Primer

• Brand: LOCTITE®

• Manufacturer: Henkel

• Product: LOCTITE SF 7471

• Henkel IDH: 135337

• Pack Size: 133g / 4.50 oz

• Packaging: Aerosol Can

• Pack Configuration: 3 Cans

• Appearance: Transparent Yellow to Amber

• Physical Form: Very Low-Viscosity Liquid

• Chemical Type: Amine & Thiazole Activator

• Solvent System: Acetone & Isopropanol

• Application Method: Pre-Applied

• Primary Function: Accelerates Cure of Anaerobic Products

• Passive Metal Applications: Yes

• Inactive Surface Applications: Yes

• Large Bond Gap Applications: Yes

• Low-Temperature Applications: Recommended Below 15°C

• On-Part Life: Up to 7 Days

• Business Delivery Only: Yes

Key Features

• Genuine LOCTITE® industrial product

• Manufactured by Henkel

• LOCTITE SF 7471

• IDH 135337

• 133g / 4.50 oz aerosol

• Pack of 3

• Business Delivery Only

• Cure-speed activator

• Designed for LOCTITE anaerobic products

• Helps accelerate fixture development

• Suitable for passive metals

• Suitable for inactive surfaces

• Useful on stainless steel

• Useful on aluminium

• Useful on plated metal surfaces

• Particularly useful for large permissible bond gaps

• Recommended for low-temperature assembly

• Recommended below approximately 15°C

• Transparent yellow-to-amber appearance

• Very low viscosity

• Acetone-based solvent system

• Contains isopropanol solvent

• Applied before adhesive

• Up to 7-day on-part life

• Suitable with compatible threadlockers

• Suitable with compatible thread sealants

• Suitable with compatible retaining compounds

• Suitable with compatible flange sealants

• Useful for manufacturing

• Useful for maintenance

• Suitable for industrial assembly

• Convenient aerosol application

Technical Specifications

Specification Details
Brand	LOCTITE®
Manufacturer	Henkel
Product	SF 7471
Product Type	Anaerobic Cure Activator
Henkel IDH	135337
Pack Size	133g / 4.50 oz
Packaging	Aerosol Can
Pack Quantity	3
Appearance	Transparent Yellow to Amber
Chemical Type	Amine & Thiazole
Solvent	Acetone & Isopropanol
Viscosity	Very Low
Typical Viscosity @ 20°C	Approx. 2 mPa·s
Specific Gravity @ 25°C	Approx. 0.79
Application Method	Pre-Applied
Primary Function	Cure Acceleration
Compatible Technology	LOCTITE Anaerobic Adhesives & Sealants
Passive Metal Applications	Yes
Inactive Surface Applications	Yes
Large Bond Gaps	Recommended
Low-Temperature Use	Recommended Below 15°C
On-Part Life	Up to 7 Days
Business Delivery Only	Yes

Typical Applications

• Anaerobic threadlocker activation

• Thread sealant activation

• Retaining compound activation

• Flange sealant activation

• Anaerobic gasket activation

• Stainless steel assemblies

• Aluminium assemblies

• Passive-metal components

• Plated metal components

• Large bond-gap applications

• Low-temperature assembly

• Production assembly

• Industrial maintenance

• Mechanical repair

• Workshop servicing

• Plant maintenance

• Equipment manufacturing

• Engineering assembly

• Mining maintenance

• General industrial bonding

Suitable Industries

• Manufacturing

• Engineering

• Mining and resources

• Automotive

• Power generation

• Industrial maintenance

• Metal fabrication

• Mechanical workshops

• Heavy equipment

• Equipment manufacturing

• Plant maintenance

• Utilities

• Infrastructure

• Transport

• Oil and gas support

• Maintenance and repair

• Trades and contracting

Why Choose LOCTITE® SF 7471?

Anaerobic adhesives and sealants cure when they are confined between suitable metal surfaces in the absence of oxygen.

The speed of this chemical reaction varies depending on several factors, including:

• Metal type

• Surface activity

• Temperature

• Joint gap

• Adhesive formulation

Passive metals naturally provide less activation for anaerobic curing than more reactive metals.

LOCTITE SF 7471 deposits activating chemistry onto the substrate, helping compatible anaerobic products cure more quickly and develop fixture strength sooner.

This makes it a useful supporting product when working with passive metals, colder environments or larger permissible joint gaps.

Passive & Inactive Metal Surfaces

Henkel specifically recommends SF 7471 for:

Passive and inactive surfaces

Potential examples include appropriate:

• Stainless steel

• Aluminium

• Zinc-plated steel

• Chromated surfaces

• Other passivated metal finishes

Always check the Technical Data Sheet for the specific LOCTITE adhesive or sealant being used to confirm whether an activator is recommended.

Low-Temperature Applications

Henkel particularly recommends SF 7471 where curing takes place below approximately:

15°C

Anaerobic reactions generally slow at lower temperatures.

Applying the activator can help compensate for these slower reaction conditions and improve fixture development.

This can be useful in:

• Cold workshops

• Outdoor maintenance

• Winter assembly

• Unheated facilities

• Remote industrial sites

Large Bond Gap Applications

Anaerobic products generally cure more rapidly in smaller gaps.

Where a compatible product is used across a larger permissible gap, cure may become slower.

SF 7471 helps accelerate curing in these conditions.

The activator does not increase the maximum allowable gap of the adhesive itself.

Always remain within the gap specification of the compatible LOCTITE product.

Up to 7 Days On-Part Life

Henkel specifies an on-part life of up to:

7 Days

This means activated components may be prepared before final assembly where production processes require it.

During this period, treated surfaces should be kept:

• Clean

• Dry

• Free from oil

• Free from dust

• Protected from handling contamination

Very Low Viscosity

Henkel’s Technical Data Sheet specifies a typical viscosity of approximately:

2 mPa·s at 20°C

The very low viscosity allows SF 7471 to spread easily across suitable surfaces.

The aerosol format provides additional convenience for treating larger or irregular components.

Acetone & Isopropanol Solvent System

LOCTITE SF 7471 uses a solvent system containing:

• Acetone

• Isopropanol

These fast-evaporating solvents carry the active chemistry onto the substrate and then evaporate before assembly.

Because the product contains flammable solvents and is supplied as an aerosol, it must be handled and stored according to the current Safety Data Sheet.

Application Guidance

For appropriate use:

1. Confirm that the selected LOCTITE anaerobic product is compatible with SF 7471.

2. Clean mating components as required.

3. Apply SF 7471 to the relevant bonding surface.

4. Allow the solvent to evaporate and the surface to dry.

5. Apply the compatible LOCTITE anaerobic adhesive or sealant.

6. Assemble the components.

7. Hold or fixture as required until adequate strength develops.

8. Allow complete cure according to the adhesive Technical Data Sheet.

Where joint gaps are larger, both mating surfaces may require treatment depending on the application.

Do Not Mix Directly with the Adhesive

SF 7471 is intended to be pre-applied to the surface.

Do not mix the liquid activator directly into the liquid anaerobic adhesive or sealant.

The intended sequence is:

Activator → Dry → Adhesive / Sealant → Assembly

This allows the activator chemistry to remain on the substrate where curing occurs.

Threadlocker Applications

SF 7471 may be used with compatible LOCTITE anaerobic threadlockers where faster curing is required.

Potential reasons include:

• Passive fastener materials

• Plated bolts

• Cold assembly conditions

• Large permissible thread gaps

Always follow the threadlocker’s own Technical Data Sheet.

Thread Sealant Applications

Compatible LOCTITE anaerobic thread sealants may also benefit from SF 7471 when applied to inactive or passive metal threads.

This can be relevant to:

• Stainless steel fittings

• Aluminium fittings

• Plated fittings

• Cold pipe installations

Retaining Compound Applications

SF 7471 can accelerate suitable LOCTITE retaining compounds used on cylindrical assemblies such as:

• Bearings

• Bushes

• Shafts

• Sleeves

• Hubs

This can be particularly useful when working with passive metals or larger permissible fit clearances.

Flange Sealant Applications

Compatible anaerobic flange sealants may also use activators where cure is otherwise slow.

Examples include suitable:

• Stainless steel flanges

• Aluminium housings

• Passive metal assemblies

• Cold maintenance applications

Always confirm compatibility with the individual flange-sealant data sheet.

Surface Compatibility

Because SF 7471 contains strong solvents, care should be taken around sensitive surfaces.

Acetone and other solvent components may affect some:

• Plastics

• Paint

• Coatings

• Decorative finishes

• Sensitive materials

Test compatibility before applying the product to non-metallic or coated surfaces.

Important Safety Information

LOCTITE SF 7471 is a flammable solvent-based aerosol product and must be handled according to the current Henkel Safety Data Sheet.

Users should:

• Read the current SDS before use

• Use in a well-ventilated area

• Keep away from heat

• Keep away from sparks

• Keep away from open flame

• Avoid breathing vapour and spray mist

• Avoid eye contact

• Avoid unnecessary skin contact

• Wear PPE identified by the workplace risk assessment

• Do not spray onto hot surfaces

• Protect aerosol cans from excessive heat

• Follow dangerous-goods storage procedures

• Dispose of containers appropriately

Oxygen & Strong Oxidiser Limitations

LOCTITE anaerobic systems and their activators should not automatically be used in:

• Pure oxygen systems

• Oxygen-rich systems

• Chlorine service

• Strong oxidising environments

Only products specifically approved for those services should be selected.

Business Delivery Only

This product is listed as:

Business Delivery Only

The commercial restriction reflects the aerosol format and associated freight-handling requirements.

Delivery should be made to an appropriate commercial business location capable of receiving the product in accordance with applicable carrier requirements.

Why Buy from Supply Solutions Group?

Supply Solutions Group is an Indigenous-owned Australian supplier of industrial adhesives, primers, activators, threadlockers, retaining compounds, sealants, lubricants and maintenance consumables, providing LOCTITE products backed by procurement support and Australia-wide business supply capability.

Benefits of Partnering with Supply Solutions Group

• Australia-wide business supply capability

• Indigenous-owned and operated business

• Genuine LOCTITE product supply

• Henkel industrial products

• LOCTITE primers

• LOCTITE activators

• Anaerobic adhesive systems

• Threadlockers

• Thread sealants

• Retaining compounds

• Flange sealants

• Gasketing products

• Engineering adhesives

• Manufacturing consumables

• Mining maintenance products

• Workshop supplies

• Industrial maintenance consumables

• Procurement support services

• Trade account options

• Bulk purchasing solutions

• Product sourcing assistance

• Responsive customer service

• Ongoing commercial supply arrangements

Frequently Asked Questions

What is LOCTITE SF 7471?
LOCTITE SF 7471 is a surface activator designed to increase the cure speed of compatible LOCTITE anaerobic adhesives and sealants.

Is LOCTITE 7471 a primer or an activator?
Henkel classifies SF 7471 as an adhesive activator. It is also commonly described as a primer in industrial purchasing and workshop environments.

How much product is supplied?
Each aerosol contains approximately 133g / 4.50 oz.

How many cans are supplied?
This listing contains 3 aerosol cans.

What is the Henkel IDH?
Henkel identifies the 4.50 oz aerosol as IDH 135337.

What colour is SF 7471?
Henkel describes it as transparent yellow to amber.

What is the chemical type?
The Technical Data Sheet identifies an amine and thiazole activator system.

What solvents does it contain?
The solvent system includes acetone and isopropanol.

What is the viscosity?
Henkel specifies approximately 2 mPa·s at 20°C.

What is the specific gravity?
The TDS specifies approximately 0.79 at 25°C.

What does SF 7471 do?
It accelerates curing of compatible LOCTITE anaerobic adhesives and sealants.

When is SF 7471 particularly useful?
Henkel recommends it for passive/inactive surfaces, larger bond gaps and temperatures below approximately 15°C.

Can it be used on stainless steel?
Yes. Stainless steel is a common passive metal where an activator can improve cure speed.

Can it be used on aluminium?
Yes, where the selected anaerobic adhesive permits or recommends activation.

Can it be used on plated metals?
Yes, depending on the coating and compatible anaerobic product.

Does SF 7471 increase the maximum bond gap of an adhesive?
No. It helps accelerate curing within the adhesive’s existing permitted gap range.

How long does the treated surface remain active?
Henkel specifies an on-part life of up to approximately 7 days.

Can activated parts be prepared in advance?
Yes, provided they remain clean and uncontaminated within the specified on-part life.

Should SF 7471 be mixed directly into threadlocker or sealant?
No. Apply the activator to the surface first, allow it to dry, then apply the compatible adhesive or sealant.

Can it be used with threadlockers?
Yes, with compatible LOCTITE anaerobic threadlockers.

Can it be used with thread sealants?
Yes, where the individual thread-sealant Technical Data Sheet permits or recommends it.

Can it be used with retaining compounds?
Yes, with compatible anaerobic retaining compounds.

Can it be used with flange sealants?
Yes, where the relevant flange-sealant Technical Data Sheet allows activation.

Can it be used below 15°C?
Yes. Low-temperature curing below approximately 15°C is one of Henkel’s stated reasons for using SF 7471.

Can it damage plastics or coatings?
Potentially. Its solvent system may affect certain plastics, paints and coatings. Compatibility should be tested before use.

Is SF 7471 flammable?
It is a solvent-based aerosol and should be handled according to the current SDS and applicable flammable-aerosol requirements.

Why is it Business Delivery Only?
The listing is restricted to business delivery because of the aerosol format and applicable freight-handling requirements.

Can Supply Solutions Group supply other LOCTITE activators?
Yes. Supply Solutions Group can assist with LOCTITE SF 7471, SF 7649 and other primers, activators, cleaners and anaerobic assembly products, subject to availability.

Can Supply Solutions Group provide bulk quantities?
Yes. Bulk and ongoing procurement arrangements are available for manufacturers, mine sites, engineering businesses, workshops and industrial maintenance operations.