Spectrum vs PVDF

1. SPECTRUM vs PVDF

CEE Commercial Meeting
23-24 June 2009

2. SPECTRUM vs PVDF

2
SPECTRUM vs PVDF
Organic coated steel is generally composed of a steel substrate (cold rolled or
with a zinc-based metallic coating) with a surface treatment layer, a paint
primer coating and a topcoat. For certain applications, a colaminated
polymer film may be added, and a temporary protective film, if required.
Topcoat
Primer
Surface treatment
Zinc coating
Steel Substrate
Zinc coating
Surface treatment
Backside coating

3. SPECTRUM vs PVDF

3
SPECTRUM vs PVDF

4. SPECTRUM vs PVDF

4
SPECTRUM vs PVDF
Properties
SPECTRUM
PVDF
Application
External use in severe
environments
External use in severe
environments
Description
• Very good UV resistance
• Excellent corrosion
resistance
• Very good formability
• Thick and solid system
without PVC
• Excellent colour and
appearance stability
• Good corrosion resistance
• Excellent chemical resistance
60 μm
25÷35 μm
Composition on front
20 μm primer + 40 μm
top coat +
5 to 15 μm of primer
+ 20 μm s of topcoat
Composition on back
12 μm (2 layers) backing
coat
5 to 12 μm
Gloss (Gardner 60°)
30 GU
20 to 30 GU
Slightly grained
Smooth
no need
self adhesive film
Thickness
Description
Appearance
Temporary protection

5. SPECTRUM vs PVDF

5
SPECTRUM vs PVDF
Properties
SPECTRUM
PVDF
≤1T
≤1T
≤ 1.5 T
≤3T
Surface “pencil”
hardness
F to H
F to H
Clemen scratch
resistance
4÷6 kg
≤ 3,5 kg
Salt spray test
1000 hours (RC5)
500 to 700 hours (RC4)
Condensation
resistance
1500 hours
1000 hours
Resistance to
accelerated
weathering
Gloss retention ≥ 80%
ΔE ≤ 1.2
Gloss retention ≥ 80%
ΔE ≤ 1.2
Very good
Very good (Excellent)
Automatic 10 Years
5-10 years depending on
environment
Adhesion of the
coating (T-bend)
Resistance to
cracking on bending
Robustness (T-bend)
Durability
Resistance to various
substances
Guarantee

6. SPECTRUM vs PVDF

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SPECTRUM vs PVDF
• Is a 60 µm organic coating specially developed for building
applications in aggressive atmospheres
• Is processing friendly thanks to its very good flexibility and its high
resistance to mechanical damages,
• Spectrum has a very robust surface withstanding severe
mechanical aggressions
• Outstanding durability in high humidity environments,
• Spectrum is Chlorine, phthalates and plasticizers free.
It is 100% recyclable.
• Automatic guarantee of 10 years, with life expectancy of 30 years

7. SPECTRUM vs PVDF – „specification tree”

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SPECTRUM vs PVDF – „specification tree”