INTEGRATIVE NOTE
ed. 02 / 2014 pag.1
SELAC POWDER COATINGS
APPLICATIVE COATING YIELD
CALCULATION OF
THEORETICAL
COATING YIELD
Theoretical coating yield of powder coatings depends basically from
two factors :
_ Product density ( PD in g/cc )
_ Application thickness ( µm )
PD x µm = grams of powder coating to coat 1 sqm of surface
By a simple mathematical formula is possible to calculate the surface
which can be coated with 1 kg of powder coating having known density :
1000
Product Density x film thickness
= Theoretical yield ( m² / kg )
In the draft are mentioned some theoretical yield values expressed in sqm/kg ,
according with product density and applied thickness .
Theoretical
coating yield
22
20,8
sqm / kg coatred
19,2
17,8
17
16,6
13,8
12,8
12
10,4
9,6
8,3
6,9
7
11,9
10,4
8,3
6,6
5,5
7,1
5,9
40µm
14,7
13,8
13,2
60µm
80µm
11,1
8,9
7,7
6,4
15,6
9,8
7,8
6,2
5,2
7,3
5,9
4,9
100µm
9,2
8,7
6,9
5,5
4,6
6,6
5,2
4,4
120µm
2
1,2
1,3
1,4
1,5
1,6
1,7
1,8
1,9
Density ( g/cc )
NOTE : mentioned values only represent the theoretical yield .
Actual application yield on line is influenced by factors external to product , as :
Technical performances of spraying line
Type and efficiency of recycling system
Losses due to cleaning for colour changes
Thickness disuniformity on the same coated item
Shape of the good to be painted
RECOMMENDATIONS
These informations are given on the base of our best experience as well as the
one of specialized laboratories and they are continuously updated , nevertheless
the user has the complete responsibility to apply and to experiment the products
according its own specific necessities .
This document has the intention to describe and summarize the main properties of
arsonsisi products , but in no case it can be considered as a warranty for them .
Further informations about application of metallic effects , maintenance of
goods coated with homologated polyesters or availability of special versions are
mentioned in specific technical integrative notes .
arsonsisi s.p.a.
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