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ALKYD INTERMEDIATE – RANA 723 I

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EN.TDS

 

Product information 

1-Excellent spray ability.

2-Resists corrosion.

3-Recommended for use on steel where a conventional

topcoat system is required.

Physical data    

Colour:                                                       customer request  

Finish:                                                        flat

Flash point:                                               28°c

Volume solids:                                          48 ±2%

D.f.t:                                                            50 – 60  microns  

Specific gravity:                                        1.35 ±  0.05gr/cm3  

Theoretical coverage:                             9.6  m2 /lit (at 50 µ d.f.t)

Drying time at 25°c:                                

        Touch dry:                                        2 hrs          

  Dry to handle:                                        5 hrs

          Full cure:                                        4 days

Component:                                             1

Application methods:                              conventional spray or brush or

                                                              Airless spray or roller

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

(mild condition) :   Min:                          30  hrs            12  hrs          6  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 70

Recommended cleaner:                         RANA CLEAN 70

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 chemical reaction

                                                                     With  o2

Substrate:                                                Steel ,primed steel

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

                                                  

Typical uses

 

As a universal  intermediate on interior and

exterior  steel in mildly to  moderately corrosive

environment.

 

Application information

This RANA CHEM’s product is a universal alkyd intermediate

or primer for above water service.

To obtain the maximum performance for which this product

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is formulated, strict adherence to all application, instructions,

precautions, conditions and limitations is necessary.

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 0.33 to 0.381 mm

orifice.

2-Conventional spray:industrial equipment with suitable

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

3- Mixer

4-Brush

Caution

1-Handle with care.

2-HARMFUL or fatal if swallowed;immediately seek

medical assistance.

3-Avoid inhalation of possible solvent vapours

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

4-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.

5-Use fresh air masks and explosion proof equipment. 

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6-Take precautionary measures against static discharges.

 

 Application procedure

1-Flush equipment with recommended cleaner before use.

2-Stir paint  for 5 minutes.

3-For spray,thin only as needed for workability

4-Apply a wet coat in even, parallel passes.overlap

each pass 50% to avoid bare areas,pinholes or holidays.

5-Small damaged or bare areas and random pinholes or

holidays can be touched up by brush.

6-Clean all equipment with recommended 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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