Tikkurila Temafloor 220W Primer is a two component solvent-free varnish used for priming of new and old concrete floors, especially where solventless and odourless products are needed.

Temafloor 220W Primer is mostly used for damp concrete with relative humidity of the concrete over 97%, when curing process is still in progress. Thus, it makes construction works ready faster.

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• Features & Benefits
• Technical Data
• Surface Preparation
• Recommended Topcoats
• Application Conditions
• Mixing Components
• Application
• VOC
• Health And Safety

Features & Benefits

• For priming of new and old concrete floors prior to laying Temafloor coatings and screeds.
• Good resistance against oil and grease.
• Suitable for priming of damp concrete (relative humidity of the concrete over 97%) surfaces.

Technical Data

• Volume Solids: Approx. 100%
• Specific Gravity: 1.1 kg / litre (mixture).
• Pot Life (23℃): Approx. 30 minutes after mixing, on substrate.

Practical Coverage:

Coverage on concrete floors is on the average 6–10 m²/l.

Practical coverage depends on the porosity and evenness of the substrate and on the application method.

Mixing Ratio:

• Base: 2 parts by volume Temafloor 220W Primer
• Hardener: 1 part by volume 008 4370

Drying Time (23℃)

• Dust dry after 6 hours
• Recoatable after 9 hours - 3 days
• Fully cured after 7 days

At lower temperature the drying will last longer.

Surface Preparation

New Concrete

• Remove laitance by power grinding or hydrochloric acid etching.
• Choose the method best suited for the premises.
• After grinding remove dust carefully with a vacuum cleaner.
• Hydrochloric acid etching is carried out with diluted hydrochloric acid (1 part concentrated hydrochloric acid, 4 parts water).
• Rinse with plenty of water.
• Dry the surface.

Old Concrete

• Remove all grease, oil, chemicals and other impurities by Maalipesu detergent.
• Remove old peeling paint layer by grinding.
• Choose the method best suited for the premises.
• Clean out pot-holes removing all loose friable material.
• Open cracks with e.g. an abrasive tool.
• Remove loose material and dust.

If cementitious screed is used, check compatibility with the levelling screed manufacturer.

Application Conditions

• The temperature of the ambient air, surface or coating should not fall below +15ºC during application or drying.
• Relative humidity of air should not exceed 80%.

Note! There is a natural tendency of this coating to chalk, discolor or yellow unevenly. It is recommended to use polyurethane topcoat when there are high aesthetical requirements on colour appearance.

Mixing Components

• First stir base and hardener separately.
• Mix the correct proportions of base and hardener thoroughly (approx. 2 minutes to get homogenous mixture) by using a low speed industrial hand drill with a paddle.
• Use power mixer for mixing.
• Insufficient mixing or incorrect mixing ratio will result in uneven drying of the surface, weaken the properties of the coating and risk the success of the application.

Application

Priming:

• Prime using 30–50% thinned Temafloor 220W Primer epoxy varnish.
• Pour the varnish mixture onto the floor and apply as much as is needed to impregnate the concrete surface.
• If necessary, repeat priming after about 9 hours to get a non-porous surface.
• A porous priming coat will result in holes and air bubbles in the finished coating.
• Subsequent treatment can be carried out after 2 hours using "wet-on-wet" technique.

Patching:

• Patch pot-holes and cracks with a mixture of unthinned Temafloor 220W Primer epoxy varnish and dry, clean sand.
• Mixing ratio e.g. 1 part by volume of varnish mixture and 1– 2 parts by volume of sand of grain size 0.1–0.6 mm
• Sand the patched areas beforeovercoating, if necessary.
• Note! Concrete surface should always be primed before patching.

Thinner/Cleaning

Thinner:

Thinner 1029, Thinner 1031

Cleaning Of Equipment:

Thinner 006 1029 (or Thinner 006 1031)

VOC

VOC 2004/42/EC (cat A/j) 500 g/l (2010)

Temafloor 220W Primer: max. VOC < 500 g/l

Health And Safety

Containers are provided with safety labels, which should be observed. Further information about hazardous influences and protection are detailed in individual health and safety data sheets.

For industrial and professional use only.

Please contact Rawlins Paints' Technical Support Team on 0113 2455450 (option 2) or send a message to [email protected] for more information.

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