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Painting Methods

at Boiler StructurePaiton Expansion Project

(815MW Coal Fired Power

Plant

Prepared by,

A. Aris HidayatCoating Advisor_Protective Segment

PT. Jotun Indonesia

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!" Sur#ace Preparation

!"1" $a%aged !rea& 'ust !rea )*ncoated !rea

Fresh ater ashing

I! oi" # grease on the ob$ect, !resh aterashing add ith detergent and then c"eanith !resh ater ashing

Poer too" c"eaning to min SSPC%SP&

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!"+" Coated !rea

Fresh ater ashing

I! oi" # grease on the ob$ect, !resh aterashing add ith detergent and then c"ean

ith !resh ater ashing 'a(e roughness ith sand paper

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B" Paint Mixing'i) the paint in the container *comp A #

comp + by mechanica" stirring rod

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-se the proper thinner *re!er to Jotunstechnica" data sheets

+e aare !or term /pot "i!e0 o! paints +arrier 11 2 34 hrs *3& deg C

Penguard 'idcoat 'I5 2 3 hrs *3& deg C Hard Top 6P 2 7.8 hrs *3& deg C

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C" Paint !pplication9o not use ro""er !or the primer coat

app"ication

The temperature o! the substrate shou"dbe min & deg C above de point o! the air

:e"ative humidity ma) ;8 m

Cross Cut Test *IS5 34>@, c"assi=cation o!resu"t min />0

isua" Chec( !rom sagging, dry spray, orangepee" and other !ai"ure coating.

Fabricator must issue painting report, itnessby Jotun