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EPOXY INTERMEDIATE COAT – RANA 823 I

  |   EPOXY AMIDE RANA   |   No comment
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EN.TDS

Product information 

1-Excellent chemical resistance against weak acids and alkalies.

2-Corrosion resistance in moderately to severely environment.

3-Excellent oil resistance

4Can be applied over suitably prepared concrete .

Physical data    

Colour:                                                       customer request

Finish:                                                        Flat – semi flat

Flash point:

           Resin:                                            34°c

           Cure:                                             36°c

           Solvent:                                         28°c

Volume solids:                                          57±2%

D.F.T:                                                         50-60  microns

Specific gravity(mixed):                          1.70±  0.05gr/cm3   

Theoretical coverage:                             11.4 m2 /lit (at 50 µ D.F.T)

Drying time at 25°c:

                Touch dry:                               3 hrs

          Dry to handle:                               6-8 hrs

                  Full cure:                               7 days

Component:                                             2

Pot life:                                                      6-8 hrs at 25 °c:

Mixing ratio(by volume):

                                    Resin:                refer to can label

                                    Cure:                  refer to can label

Application methods:                              conventional spray or brush or

                                                              Airless spray or roller

Recoat intervals* :                                10°c                 25°c               40°c

(mild condition) :   Min:                         25  hrs            12  hrs           5  hrs

                             **Max:                      NONE             NONE         NONE

**Maximum Recoat: Unlimited. Must have a clean, dry surface for top coating.”Loose” chalk or salts must be removed in              .        accordance with good painting practice. Drying time is temperature, humidity, and fi lm thickness dependent

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Recommended thinner:                          RANA THINN 80

Recommended cleaner:                         RANA CLEAN 80

Shelf life:                                                   12 months when stored indoors in unopened

Original containers at 5 to 40°c (cool and dry

                                                   Place).

Curing mechanism:                                by solvent release and reaction by

                                                                    Curing  agent and resin

Substrate:                                                 primed steel,  concreted

*: For recoating the surface should be free of dust ,grease  and contamination .

 
 
Typical uses

1-As a maintenance and repair intermediate coat in moderate

to severely corrosive environment.

2-As a high performance coating for marine and industrial

facilities,ballast and potable water tanks, bilges,

and draining pipes,above and bellow water hulls.

Application information

This RANA CHEM’s product is a polyamide epoxy intermediate

Coat in  industrial and marine use.

To obtain the maximum performance for which this product

is formulated,strict adherence to all application,instructions,

precautions,conditions and limitations is necessary.

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Application equipment

The following equipment is listed as a guide and suitable

equipment from other manufactures may be used.

adjustments of pressure and change of tip size may be

needed to obtain the proper spray characteristics.

1-Airless spray:standard airless spray equipment having

a 28:1 or higher pump ratio and a  fluid tip with a 0.381 to 0.457 mm

orifice.

2-Conventional spray:industrial equipment with suitable

aircap having  a fluid tip with a 1.6-1.8mm orifice .

3 -Mixer:mixer must be powered by an air motor or an explosion

proof electric motor.

4-Brush or roller.

Caution

1-Handle with care.

2-Avoid inhalation of possible solvent vapours or

paint mist,as well as paint contact with skin and eyes.

3-Apply only in well ventilated areas and ensure that

adequate forced ventilation exists when paint applies is

in confined spaces or when the air is stagnant.

 

4-Always take precautions against the risks of fire

and explosions.

6-Harmful or fatal if swallowed, immediately seek medical

assistance.

7-Use fresh air masks and explosion proof equipment.

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Application procedures    

1-Flush  equipment with cleaner before use.

2-Stir resin to an even consistency with a power mixer.

3-Add cure to resin and continue stirring for 5 minutes.

Note:since the pot life is limited and shortened by high

temperatures ,do not mix more material than will be used

in 8 hours at 25 °c.

4- Thinning  with RANA THINN 80 for necessary

5-Stir during application to maintain uniformity of material

and apply a wet coat in even parallel passes after 20 minutes.

6-Clean all equipment with cleaner immediately after use.

Environmental condition

      Environmental temperature must be 10-40°c.

      Surface temperature must be at least 3°c above dew point

      to prevent condensation. At freezing temperature surface

      must be free of ice and relative humidity below 80 %.

Surface preparation

The surface must be clean and dry .All dirt grease and other

foreign materials should be removed .old primed surface

must be smoothly wire brushed.

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