CARA APLIKASI CAT EPOXY

 

Product Description

two a components polyamide Cured Zinc Rich Epoxy primer 1 x 60 microns

epoxy mastic high solids polyimide, two pack epoxy coating 1 x 140 microns

two pack high solid, aliphatic polyurethane topcoat and gloss finish coat 1 x 60 microns

                                                                                           

Application methods

Spray                      : Use airless spray

Brush                     : May be used but care must be taken to achieve the specified dry film thickness

Roller                     : May be used, however when using roller application care must be taken to apply sufficient material in order to achieve the specified dry film thickness <only for hardtop xp>

 

SURFACE PREPARATION

1.            All oil/grease, dust and other contaminant to surface shall be remove/wish by fresh water with 250 bar pressure nozzles <add detergent if necessary, to remove oil/grease

2.            All surfaces prepared for coating shall be abrasive blast clean in accordance with the Swedish SIS 05 5900 or the following:

Comparative standard	Swedish standard	Japanese Standard	SSPC Standard
	Sa 2 1/2	JH SH2	SSPC-SP 10

3.            The profile roughness achieved shall be between Sa 2 ½ 30 – 85 microns as measured using keane tator surface profile comparator or O – testex film and profile gauge

4.            Abrasive used for blast cleaning should be dry and free from dirt, oil and grease and suitable for procuring the standard of cleanliness and profile specified.

5.            After blast cleaning removed loose adhering dust, debris and abrasive material from surface by use of high-pressure air blow <should be free of oil and moisture>

 

APLICATION REQUIREMENT

1.      The temperature of the substate should be minimum 10⁰C and at least 3⁰C above the dew point of the air, temperature and relative humidity measured in the vicinity of the substate maximum 85%, good ventilation is usually required in confined areas to ensure proper drying. The coating should not be exposed to oil, chemicals or mechanical stress until cured.

2.      All paint should be applied by airless spray except for stripe coats where brush or roller should in general be used.

3.      Efficient mechanical stirrers or power mixer for the correct mixing of paint should be used wooden stick or something like that the strongly forbidden to use.

4.      Available air pressure and capacity for spray equipment should be at least 5,5 kg/cm2 and 1,4 m3 <90 – 100 psi and 50 cfm>

5.      Airless spray equipment must be in good working order and be capable of performing to be out put requirement

6.      It is recommended that pump rations for 45:1 or greater

7.      Tips should be the size stipulated on the product data sheet or as agreed

8.      Only thinner and additives supplied by recommended and acceptable, only solvents acceptable are to be used for cleaning equipment

9.      Re-Coating time must be follow to TDS, in case recoating time exceeding than TDS, more treatment prior to apply next coat a hall be done

 

TECHNICAL INSPECTION

·         Dry film thickness: each coat must be checked when the paint is dry, if the dry film thickness is lower than owner s specification, build up thickness must be done to achieve minimum DFT requirement

·         After exposure and contaminated with the environment surface shall be fresh water washed and prepare clean before any coating application.

·         If the maximum re coating interval exceed, roughening of the surface by sand paper and or light abrasive sweeping is mandatory.

·         Note batch number of paint <comp A and B> on the log book

 

 

PAINT APLICATION PROSEDURE

Primer

Polyamide cured zinc Rich Epoxy Primer

1.    Flush equipment with  make 904 thinner

2.    Stir part with an explosive proof power mixer to an even consistency

3.    Pour the zinc powder slowly into the liquid during mechanical mixing. The Comp-A must be well shaken before use, Stir until lump free and pass through a 60-mesh sieve

4.    In order to avoid setting of heavy zinc, continuous mechanical during application is recommended.

5.    Pot life paint 24 hours at 25⁰C <Reduced at higher temp>

6.    Apply a wet coat in even parallel passes. Overlap each pass 50% to avoid areas pinholes or holidays

7.    Thinning normally not required thin only for workability with not more than 15% by volume of thinner make 904

8.    Apply a wet film thickness of 75 microns to provide 60 microns dry film thickness.

9.    Check thickness of dry coating with a nondestructive dry film thickness gauge

10. Uncured paint should not be exposed to water, chemicals or mechanical stress before the paint is fully cured

11. It recoat able provided that the existing surface is cleaned from oil or other foreign contamination.

12. Minimum and maximum re coating interval must be follow to TDS

 

Intermediate

Epoxy mastic high solid polyimide cured epoxy coating, two pack epoxy coating

1.    Flush equipment with make 906 Thinner

2.    Mix complete <part A and Part B> units only by powered mechanical equipment, do not part mixing of this product.

3.    Pot life 2 hours at 25⁰C

4.    Apply a wet coat in even parallel passes. Overlap each pass 50% to avoid bare areas pinholes or holidays

5.    Thinning normally not required Thin only for workability with not more than 15% by volume of make 906 thinner

6.    Apply a wet film thickness of 175 microns to provide 140 microns dry film thickness gauge

7.    Check thickness of dry coating with a non destructive dry film thickness gauge

8.    Uncured paint should not be exposed to water, chemical or mechanical stress before the paint is fully cured.

9.    It is recoat and maximum re coating interval must be follow to TDS

Top Coat

two high solid, aliphatic polyurethane topcoat gloss finish coat

1.    Flush equipment with Make 907 Thinner

2.    Mix complete <part A and Part B> units only by powered mechanical equipment, do not part mixing of this product.

3.    Pot life 18 hours at 25⁰C

4.    Apply a wet coat in even parallel passes. Overlap each pass 50% to avoid bare areas pinholes or holidays

5.    Thinning normally not required Thin only for workability with not more than 15% by volume of thinner no.10

6.    Apply a wet film thickness of 75 microns to provide 60 microns dry film thickness gauge

7.    Check thickness of dry coating with a non destructive dry film thickness gauge

8.    Uncured paint should not be exposed to water, chemical or mechanical stress before the paint is fully cured.

9.    It is recoat and maximum re coating interval must be follow to TDS