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OT Primer Std

From: £118.80
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OT Primer is a professional twin pack epoxy resin with a highly advanced oil tolerant formulation.  The unique water-reactive and oil binding properties of OT Primer™, allows the resin to tenaciously adhere to substrates suffering from both oil and water contamination.  It is widely regarded within the trade as the UK’s No.1 Oil Resistant Prime. Applied prior to the installation of all epoxy, polyurethane and cementitious screeds as well as all epoxy and polyurethane paints and coatings.

Its unique solvent-free, low viscosity, formulation can bind up to 15% oil into the resin without any emulsion or bubble formation. Enabling application to oil soaked concrete floors immediately after cleaning the surface. Any oil impregnation becomes locked into the substrate, reacting with the OT Primer™ to draw it down into the capillary pores. Furthermore, OT Primer is manufactured using Polycote’s unique and ultra low viscosity resins. It ensures excellent penetration into porous surfaces to not only achieve the best seal but also to harden the concrete itself.

  • Highly resistant to rear side soaking with oil or water
  • 100% solids, twin pack epoxy resin
  • Suitable for dry or damp conditions, old or new concrete
  • Moisture tolerant
  • Moisture suppressant
  • Tenacious adhesion
  • Forms an oil and waterproof barrier
  • Seals and hardens the substrate
  • Extremely tough and long lasting
  • Withstands heavy vehicular and foot traffic

Special Formulations:

Our range of epoxy floor primers also answer bespoke needs such as Extra Fast Hardening (OT Primer XFH), extra chemical resistance and low temperature curing requirements. Please contact Polycote technical helpline for further advice.

Typical Uses:

As a primer to seal oil and chemical contaminated substrates, prior to application of self-levelling cementitious screeds, epoxy floor paints and epoxy screeds.

Being solvent-free and with very low odour, OT Primer is the ideal concrete floor primer for use in engineering and mechanical workshops and production areas, warehouses and showrooms, as well as more sensitive areas such as food processing plants, kitchens, hospitals, schools and animal environments.

Please note: OT Primer should not be applied where the relative humidity is greater than 75%.

 

Typical Substrates:

OT Primer may be applied direct to most substrates, including old and new concrete, wood, stone, terrazzo, brick and block.

 

Special Formulations:

Our range of epoxy floor primers also answer bespoke needs such as Extra Fast Hardening (OT Primer XFH), extra chemical resistance and low temperature curing requirements. Please contact Polycote technical helpline for further advice.

 

Professional Help and Advice:

No matter if you have a large or small requirement, if you have any questions or simply not sure if this is the right product for your needs, are not sure which product to use, please feel free to contact our technical experts who will establish exactly what your issues are, even including the maximum amount of downtime you can allow to complete any work. Only then will we advise the best preparation and the best primer (if necessary) to meet YOUR specific needs.

It is far more important to us to offer the right solution and have a happy customer, than a quick sale ending in disappointment!

 

Product Use

Since 1991, Polycote have laid millions of square metres of epoxy floor paints and coatings in almost every environment throughout the UK.

 

OT Primer is applied to seal oil and chemical contaminated substrates, prior to application of self-levelling cementitious screeds, epoxy floor paints and epoxy screeds.

Being solvent-free and with very low odour, OT Primer is the ideal concrete floor primer for use in sensitive areas such as food processing plants, kitchens, hospitals, schools and animal environments.  However, please note that OT Primer should not be applied where the residual moisture content is greater than 75% RH.

Whilst OT Primer is extremely strong and will withstand extremely heavy traffic it is recommended to be over-coated with an appropriate top-coat. The reason for this is to protect the OT Primer from surface impact or abrasion, as such damage could cause a break in the oil/damp barrier.

Typical Areas of Use:

  • Engineering & Mechanical Workshops
  • Garages
  • Animal Environments
  • Fuel and Oil Storage Areas
  • Kitchens and Food Preparation Areas
  • Hospitals and Medical Centres
  • Production Areas
  • Ramps & Steps
  • Showrooms
  • Warehouse and Storage Areas

 

Typical substrates:

DPM Primer may be applied direct to most substrates, including old and new concrete, wood, stone, terrazzo, brick and block.

 

Professional Help and Advice:

No matter if you have a large or small requirement, if you are not sure which product to use, please feel free to contact our technical experts who will establish exactly what your issues are, along with the maximum amount of downtime you can allow to complete any work. Only then will we advise the best preparation and the best primer (if necessary) to meet YOUR specific needs.

 

Storage:

OT Primer has a minimum of twelve months shelf life when stored in the original, unopened containers. Store in dry conditions at temperatures between 10°C and 25°C.

Do not store or expose product to freezing conditions.

Professional Help and Advice:

No matter if you have a large or small requirement, should you have any question as to the product or the application, please do not hesitate to contact our technical experts, who have all had years of on-site experience and more than happy to help.

Application temperature:        10°C – 30°C

Residual moisture content      < 75% RH

Coverage (Depending upon surface texture and porosity):

Per 4kg unit:                     12 – 16 sq.m

Per 8kg unit:                     24 – 32 sq.m

Cure time @ 20°C:

Pedestrian traffic                12 hours

Heavy traffic                       24 – 48 hours

Re-coat (if required)           12 – 36 hours
Full chemical resistance    7 days

Number of parts supplied:      2 (Part A / Part B)

Pot life (once mixed):              30 mins @ 20°C

Storage:

OT Primer has a minimum of twelve months shelf life when stored in the original, unopened containers. Store in dry conditions at temperatures between 10°C and 25°C.

Do not store or expose product to freezing conditions.

 

Professional Help and Advice:

No matter if you have a large or small requirement, should you have any question as to the product or the application, please do not hesitate to contact our technical experts, who have all had years of on-site experience and more than happy to help

Please consult the technical data sheet for full technical product data.

Preparation:Thorough substrate preparation is essential.
The surface must be free of brittle particles and laitance. Any remains of previous coatings should be removed by means of scabbling, shot-blasting and/or diamond grinding. Oil and grease build up should be removed using high pressure hot water or steam jet, to fully expose the substrate.
Important: Free pores must be exposed to ensure good adhesion to the surface.
All water must be removed from the surface, leaving it damp but not wet. OT Primer™ may then be applied to the damp surface immediately after cleaning.
Mixing:
Add the whole of part ‘A’ to the whole of part ‘B’ in a suitable container, and thoroughly mix for at least 3 minutes. For best results use a slow speed drill with a mixing paddle, making sure all material from the sides and bottom of the container are thoroughly mixed in.
Ensure thorough mixing as an unmixed product will result in a poor or non-cure situation.
Application:
Apply by brush, roller, or squeegee, in one or more continuous applications until the material is absorbed and a film has formed. Make certain that the entire surface is completely covered to prevent oil or water migration. Oil or grease impregnated surfaces are best primed with a paint brush or soft sweeping broom, in order to ensure the primer is worked well into the surface. Allow to fully cure before the application of any further coating.
Whilst this is in fact extremely rare, it is important to note that if contamination is particularly bad, the substrate may require a further coat of OT Primer.
Re. Self-Levelling Cementitous Screeds. Should the intention be to pour a cementitous screed (Polycote Easi-Screed) over the primer, then it is important to broadcast kiln dried sand over the primer to ensure an intercoat adhesion is achieved between the primer and the screed.
Ensure Aggregate should be sprinkled evenly over the OT Primer whist it is still WET, at a rate of 1kg per m². (Spiked shoes may be worn to avoid disturbing the wet coating).
Allow to cure for a further 24 hours before removing any loose / excess aggregate from the surface, which is then ready to receive the desired Easi-Screed product.
Where dampness and/or oil contamination is of particular concern, it is advisable to seal the surface completely with one first coat of OT Primer and then to lay a second coat onto which the aggregate would then be applied. The reason for this is to ensure there is no ‘bleed through’, should any particles of aggregate penetrate the primer. (Whilst any such penetration is in fact extremely unlikely, some companies with strict requirements / constraints prefer the certainty of a 100% seal, prior to any aggregate being applied).
Should time constraints be limited, it is worthy to note that we do have a faster curing version of the OT Primer – see OT Primer XFH.
Finally, please be free to consult our Technical Department, who will be more than happy to help with any specific requirement / concern.

Technical Data Sheet
.pdf 294kb
Safety Data Sheet
.pdf 168kb