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Adheseal Primer 50A
Adheseal Primer 50A product image
Adheseal Primer 50A
Adheseal Primer 50A product image

Adheseal Primer 50A

Fast-drying 50A adhesion-promoter wipe for non-porous metals, powder coat, plastics and suitable coatings before compatible PU, MS, silicone or acrylic sealants.

Vendor: Adheseal
SKU: PRIME50A/1
Availability: In Stock
$53.03
$53.03
Prices do not include GST
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Flat-rate shipping $17.95 + GST (metro and standard zones). Excludes remote/regional/high-cost postcodes and certain items (DG, oversized, long-length, or bagged products 15 kg+). If your order includes any of these, we will contact you to arrange additional freight charges. Online purchases only.

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Description  

Adheseal Primer 50A is a clear, fast-drying adhesion-promoter wipe for non-porous surfaces before selected polyurethane, MS polymer, silicone and acrylic sealants or adhesives. It is particularly useful on powder-coated metal and other difficult-to-bond finishes where surface preparation can determine the success of the joint.

Choose 50A for sound, non-absorbing substrates such as suitable aluminium, coated metal, fibreglass, porcelain and tested plastics. For porous masonry, concrete and timber, use a suitable penetrating primer such as Everflex Supaprime instead.

Common applications

  • Powder-coated metal joints: adhesion preparation before a suitable construction sealant or adhesive.
  • Sign fabrication: treating compatible panels, coated metals and plastic components before bonding.
  • Caravan and vehicle assembly: improving adhesion on specified non-porous fabrication surfaces.
  • Glass, ceramic and fibreglass details: surface priming when the chosen adhesive system calls for it.

Application essentials

Clean and dry the surface first, including a suitable wipe with Adheseal IPA Cleaner. Light abrasion may be needed on very smooth powder coat. Apply 50A sparingly; it should dry in seconds rather than remain visibly wet. Use only in a ventilated area and follow the sealant system's preparation instructions and compatibility testing.

Do not use on porous substrates, lead or copper. Discard any primer that has turned milky through moisture contamination, and protect the primed surface from disturbance before bonding.

Common Questions  

What is Adheseal Primer 50A used for?
It promotes adhesion of compatible sealants and adhesives to difficult non-porous surfaces.

How long should it flash off?
The current physical-properties record gives about 30 seconds to 2 minutes.

Can it be used on porous concrete or timber?
No. Primer 50A is for non-porous surfaces.

Can it be used on lead or copper?
No. Lead and copper are excluded.

Uses & Benefits  
Fast-drying alcohol-based adhesion promoter for difficult non-porous surfaces. Used before compatible polyurethane, MS polymer, silicone and acrylic sealants or adhesives. Suitable for glass, painted and powder-coated metals, plastics and fibreglass. Application is wipe-on with a clean lint-free cloth or primer pad. The current physical-properties record gives a 30-second to 2-minute flash-off and coverage up to 25m² per litre.
How To Apply  
Prepare the non-porous surface so it is dry, clean and free from dust, oil, grease and contamination. Lightly abrade very smooth difficult surfaces where required, then clean. Apply Primer 50A very sparingly with a clean lint-free cloth or primer pad. Allow the film to flash off fully before applying the compatible sealant or adhesive. Proceed promptly after flash-off to avoid recontamination of the primed surface.
Limitations and Safety Info  
Do not use on porous substrates. Do not use on lead or copper. Do not use if the liquid has become milky or water-contaminated. Do not expose the primed surface to contamination or other influences before the primer has flashed off. Keep away from ignition sources and follow the current SDS for handling requirements.
Suitable Substrates  
  • Glass and porcelain.
  • Aluminium and powder-coated metal.
  • Painted non-porous surfaces.
  • Compatible plastics, acrylic and polycarbonate.
  • Fibreglass and rubber.
  • Stone and ceramic tile surfaces where non-porous.

Adheseal Primer 50A Physical Properties

Adheseal Primer 50A Physical Properties
Property Value
Product Type Clear alcohol solution
Curing System Evaporation
Consistency Thin liquid
Application Temperature +5°C to +40°C
Shelf Life 12 months in original packaging
Full Cure 15 seconds
Clean Up Agent Alcohol or solvent
Storage Temperature 10°C to 35°C
Flash Point 12°C
Specific Gravity 0.79 Kg/L
Solubility in Water Insoluble in water
Storage Conditions Cool, dry, between 10ºC and 35ºC
Coverage Rate N/A
VOC Content N/A
Clean Up Alcohol or solvent

Adheseal Primer 50A - Use Cases

Here are some common examples on where Adheseal Primer 50A used by our customers.

Caravan & Truck

Caravan, marine, automotive sealing

For enhancing sealant and adhesive performance during manufacturing and repair of caravans, marine vessels, and vehicles.

Optimises adhesion on painted metals and fibreglass, crucial for demanding applications requiring maximum bond strength and durability.

  • Enhances adhesion on painted metals
  • For fibreglass, gel coat surfaces
  • Extends sealant long-term life
  • Fast drying 15 seconds

Glazing

Window Frame Sealant Prep

Sealing around aluminium window frames, glass panels, or powder-coated surfaces for weatherproofing or structural bonding.

Ensures durable adhesion for sealants on smooth, non-porous building materials, preventing bond failure and leaks in critical fenestration.

  • Adhesion to aluminium, glass, powder coat
  • Fast 15 seconds dry time
  • Improves adhesion for MS, PU, acrylic
  • Suitable for +5°C to +40°C

Glazing

Bonding to glass and plastics

For attaching accessories or sealing joints on glass shower panels, splashbacks, or smooth plastic components in fit-out.

Improve the grip of sealants and adhesives on non-porous glass, acrylic, and polycarbonate, ensuring a stronger, lasting bond.

  • Enhances adhesion on glass
  • Suitable for acrylic, polycarbonate
  • For MS, silicone, acrylic sealants
  • Fast drying 15 seconds

Caravan & Truck

Vehicle Panel Sealing Prep

Prepping painted metal panels, fibreglass, or plastics on caravans, trucks, or boats before applying sealants or adhesives.

Provides critical bond strength for sealants on diverse non-porous vehicle components, ensuring long-term durability against movement and weather.

  • Suitable for metals, plastics, fibreglass
  • Enhances adhesion to powder coat
  • Non-corrosive primer formulation
  • Apply between +5°C and +40°C

Sheet Metal

Sealing powder-coated metals

When sealing movement joints or fenestration on powder-coated aluminium frames and structures where maximum bond longevity is required.

This wipe enhances adhesion for sealants on challenging powder coat finishes, preventing premature bond failure for long-term durability.

  • Enhances adhesion on powder coat
  • For polyurethane, MS, acrylic sealants
  • Fast drying 15 seconds
  • Non-corrosive primer

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