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ZINC CHROMATE ALKYD PRIMER – RANA 718 P

  |   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.

4-Good flexibility

Physical data    

Colour:                                                       Yellow -GREEN

Finish:                                                        FLat

Flash point:                                               38°c

Volume solids:                                         53 ±2%

D.f.t:                                                            50-60  microns

Specific gravity:                                        1.5 ±  0.05gr/cm3    

Theoretical coverage:                             10. 6  m2 /lit (at 50 µ d.f.t)

Drying time at 25°c:

                Touch dry:                               1 hr

          Dry to handle:                               4 hrs

                  Full cure:                               4days

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 film 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

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

 

 
 
 
Typical uses

As a primer in interior and exterior on steel in

mildly to moderately corrosive environment.

Application information

This RANA CHEM’s product is a zinc chromate alkyd 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 0.330 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 procedures    

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 ,

millscale and any other foreign material should be

removed.sand blasting or wire brushing to a standard

of St2 ,Sa 2.5 – Sa3 , sis 05 5900 , iso 8501-1.