DeltaMax™
A steel substrate for severe marine environments
Available across the DeltaTrim™, DeltaTrimTrim™, DeltaTrimCorro™, DeltaOrb™ and DeltaCorroCorro™ product ranges, DeltaMax™ is a steel substrate that provides greater corrosion resistance and a longer working life in demanding environmental conditions.
DeltaMax™ is suited to corrosive marine environments affected by salt e.g. Surf Clubs, patios at the seaside or near a canal, swimming pools.
MATERIAL BREAKDOWN
Substrate
Hot-dipped Zinc / Aluminium / Magnesium alloy coated steel coil.
Alloy coating weight; Minimum 210g/m².
Pre-treatment
Corrosion resistant conversion coating.
Primer coat
A flexible corrosion resistant primer on both sides. Nominal thickness is 7μms ± 1μms on top side and 5μms ± 1μms on the reverse.
Finish coat
Super Advanced Durable Polyester coating (SADP).
Nominal film thickness 18μms ± 2μms. Available in standard 25% Gloss.
Backing coat
Grey polyester wash coat. Nominal thickness is 5μms ± 1μms.
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PRODUCT ATTRIBUTES
Adhesion
Property
Reverse Impact
Test Method
AS/NZ 2728:2013 (App. E)
Results
≥ 10 Joules
Property
T-bend
Test Method
AS/NZ 2728:2013 (App. F)
Results
Maximum 6T
Specular Gloss
Property
60˚ meter
Test Method
AS/NZS 1580.602.2
ASTM D523-14
Results
Nominal 25 ± 10 units
Matt Finish ± 3 units
Painted Film Hardness
Property
Pencil Hardness
Test Method
AS/NZS 1580.405.1
Results
HB or harder
Property
Solvent Resistance
Test Method
ASTM D5402-15
Results
Exceeds 50 Double rubs
Property
Scratch Resistance
Test Method
AS 2331.4.7
Results
Needle carrying 1500g
No marking evident
Resistance to Corrosion
Property
Salt spray
(1000 hours)
Test Method
AS/NZS 2728:2013
AS/NZS 1580.481.1.9 (Blisters)
AS 1580.408.4 (Adhesion)
Results
Blister density: ≤ 2
Blister size: ≤ 2
Undercut from score: ≤ 2mm
No loss of adhesion
No corrosion to base metal
Property
Cyclic Corrosion Test
(2000 hours)
Test Method
AS/NZS 2728:2013
AS/NZS 1580.481.1.9 (Blisters)
AS 1580.408.4 (Adhesion)
Results
Blister density: ≤ 2
Blister size: ≤ 2
Undercut from score: ≤ 1mm
No loss of adhesion
No corrosion to base metal
Resistance to Humidity
Property
Cleveland
(500 hours)
Test Method
ASTM D4545
AS/NZS 1580.408.4 (Adhesion)
AS/NZS 1580.481.1.9 (Blisters)
Results
Blister density: ≤ 2
Blister size: ≤ 3
No loss of adhesion
No corrosion to base metal
Resistance to Colour Change
Property
QUV
(2000hrs)
Test Method
ASTM G154
ASTM D2244 (Colour)
Results
ΔE CIEDE2000
Intermediate colour ≤ 5 units
Resistance to Chalking
Property
QUV
(2000hrs)
Test Method
ASTM G154-16 &
AS/NZS 1580.481.1.11:1998 (R2013)
(Chalk Method B)
Results
Chalk Rating ≤ 4 units
Resistance to Fire
Property
Exposure
Test Method
AS/NZS 1530.3
ISO 5660:2002
Results
Deemed non-combustible
Ignitability Index: 0
Smoke Developed Index: 0-2
Group 1-S. Complies with the
NZBC paragraph A1.3