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| DMAX VS MR. BOND |
DMAX SOLID ALUMINIUM MR BOND COMPOSITE PANEL HOW TO MAKE THE CHOICE
IN DEPTH ANALYSIS
- fire reaction
- international compliance
- mechanical workings
- recycling - purchase cost
- PVDF guarantee
- impact resistance
- puncture penetration test
- colour range
- aluminium magnesium alloy
1) FIRE REACTION
solid aluminium is absolutely incombustible, it doesn't generate toxic fumes
The best characteristic of solid aluminium is that there is no fire risk. Dmax is certified with European Class A1 fire reaction, in accordance with EN 13501-1 standards, that means it is a non-combustible material. Solid aluminium is absolutely incombustible, it doesn't generate toxic fumes.
The plastic core of composite panels is usually in polyethylene.
As a comparison, 1 Kg of polyethylene has the same fire load as 1 Kg of diesel fuel, or approximately 11,000 Kcal.
Therefore, once ignited, just one square metre of composite facade contributes to the fire as if it were 2.76 Kg of diesel fuel oil. In other terms, 1,000 m² of facade clad with a 4 mm thick composite sheet has a fire load comparable with 3,800 litres of fuel oil or petrol, albeit with different combustion speeds.
2) INTERNATIONAL COMPLIANCE
However, while it would be difficult to list all the situations in which composite materials cannot be used, it can be said that they may not be used wherever incombustible materials are required.
According to European standards (which may vary slightly from state to state as a result of incorporation into national legislation, but which will be harmonised in the foreseeable future), incombustible materials must be used in all buildings taller than 20 metres (or less, depending on whether fire escape staircases are installed) and in all public buildings, such as schools, hotels, hospitals etc., irrespective of height.
For example, for a school or hotel in Italy, which must be equipped with fire escape routes leading, in the majority of cases, to a fire escape staircase, the Ministerial Decree of August 19th 1996, concerning places of public entertainment (which, in the absence of specific legislation is also applicable to other public buildings, such as schools) states that "the outer wall of the building against which the staircase
and relative fixtures are installed must meet fire resistance requisites of at least REI 60 for a width equal to the projection of the staircase plus 2.5 metres one each side". Clearly, any such wall built using inflammable external panels could never attain a rating of REI 60. Moreover, it is becoming increasingly difficult to obtain fire insurance for private buildings clad with inflammable materials.
3) MECHANICAL WORKINGS
DMAX doesn't need to be scored
To form panels to project specifications using composite sheets, the back of the material must be scored along the bend lines. Rivets must also be applied in the corners to maintain the required shape.
These operations increase working costs, loss of time, the weight of the panel, which becomes less stabile and rigid, because milling weakens the corners and requires making panels that are smaller than those that can be made from solid aluminium.
Forming panels from solid aluminium is much easier. Curvatures with radii of just a few millimeters can be achieved simply with a bending press, rendering the scoring usually needed for sharp bends unnecessary.
4) RECYCLING - PURCHASE COST
DMAX totally recyclable ...eco-compatible
Solid aluminium is totally recyclable, which means it can be remelted and all the waste can be used again. This means that besides being eco-compatible, there is no cost in disposing of solid aluminium rather its value can be completely recovered.
This makes Dmax a long-lasting choice, like a bank, which gives you a return on your investment over time.
With an expected life of more than 30 years, any waste will still continue to be an important financial asset.
Therefore on the basis of this if we compare the cost of the two materials, we can state that in a longterm estimate solid aluminium, is not only the safer choice it is also the most economic.
5) PVDF COATING GUARANTEE
PVDF coating: 30 years guarantee
DMAX panels are feature an exclusive PVDF, high thickness coating, guaranteed for up to thirty years.
All the paints used contain at least 70% fluorinated polymer resin. These materials, when applied to appropriate substrates, result in coatings offering a number of significant advantages, including:
- outstanding colour stability
- durability and strong weather resistance
- proven resistance to chalking, abrasion and chemicals.
6) IMPACT RESISTANCE
no cracking at a maximum of 10Nm
The impact test measures impact resistance of an aluminium panel. Impact resistance is higher in solid aluminium than in composite aluminium, because the impacting part knocks against a 2/3 mm metal sheet, which exercises a higher resistance to the movement than a composite panel, where the aluminium sheet is only 0.48 mm. In this case, the impact reverberates more sensitively on the surface, leaving clear signs of denting and damage. Therefore imagine the amplified effect of a hailstorm on a façade coated with composite aluminium panels!
7) PUNCTURE PENETRATION TEST
...solid aluminium is much more resistant to drilling that composite aluminium
Once again it is simple to show how solid aluminium is much more resistant to drilling that composite aluminium: try to drill a 3 mm sheet of aluminium plate and then drill a panel containing plastic material, the plastic is penetrated much faster than the metal.
8) COLOUR RANGE
more than 2000 different colours…
DMAX is available in a practically unlimited range of colours, offering more than 2000 different finishes whose include iridescent, metallic, Ral colours and endless possibilities for personalisation.
The R&D laboratory is now perfecting new products, with new technology and finishes that will soon be marketed.
9) ALUMINIUM ALLOY
...aluminium magnesium alloy, mechanical strength 30% greater
The type of alloy used in the manufacture of a panel is fundamental for its quality and performance.
The panel's resistance to wind pressure and stress is proportional to the strength of the aluminium alloy used in its manufacture.
A number of different alloys may be used in the manufacture of a composite such as Mr. Bond. DMAX, however, is made using exclusively series 5000 aluminium magnesium alloy, that guarantees a mechanical strength 30% greater than the other commonly used alloy series 1000 and 3000.
Download pdf DMAX VS MR. BOND
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