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ALKYD INTERMEDIATE – RANA 723 I

  |   alkyd paint rana
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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

 

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

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. 

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.