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VM ZINC® BASICS
PREMIUMZINC labels and ISO certification



Umicore Building Products has a firm commitment to a strong quality policy.
The first step was ISO 9002 certification in 1997, followed by ISO 9001-1994 certification, then ISO 9001:2000 certification in 2003.

All VM ZINC® rolled zinc products are certified according to the EN 988 standard.
Beyond that, VM ZINC® has its own more stringent quality label, PREMIUM ZINC.

PREMIUMZINC Label

All our rolled zinc product range is guaranteed by conforming to the EN 988 standard (specifications for flat rolled zinc products for the building industry) which is an indispensable reference for quality. VM ZINC®, wishing to ensure that the quality of its rolled zinc would surpass the existing standard, has put in place the PREMIUMZINC quality label. This label has stricter requirements than the EN 988 for chemical composition, dimensions and mechanical resistance. Furthermore, tests have been introduced for PREMIUMZINC, which guarantee that our transformer customers will find the zinc easier to transform.

Thus, when you see PREMIUMZINC marked on our coils, you will know you have the highest quality zinc currently available on the market.

European EN 988 and PREMIUMZINC quality requirements are met as shown in the following table:

PREMIUMZINC, the quality label for VM ZINC®
Controlled characteristics PREMIUMZINC standard EN 988 Standard
Chemical composition
Zinc Z1 with limited Pb and Cd Z1
Copper 0.08 - 0.2% 0.08 - 1.0%
Titanium 0.07 - 0.12% 0.06 - 0.2%
Aluminium 0.015% ≤ 0.015%
Dimensions
Thickness of sheets / coils ± 0.02 mm ± 0.03 mm
Width of sheets / coils + 2 / 0 mm + 2 / 0 mm
Length of sheets + 5 / 0 mm + 10 / 0 mm
Straightness ≤ 1.5 mm/m ≤ 1.5 mm/m
Flatness ≤ 2 mm and
omega 0.6
≤ 2 mm
Mechanical properties (in the direction of rolling)
0.2% proof strength 110-150 N/mm 100 N/mm
Tensile strength ≥ 152-190 N/mm ≥ 150 N/mm
Elongation at fracture ≥ 40% ≥ 35%
Bend test No cracks on fold  No cracks on fold 
Straightening after bending No fracture -
Creep resistance (for one hour under a load of 50 N/sq. m.) ≤ 0.08% ≤ 0.1%
Bend test at 4°C No fracture -
Stamping (Erichsen test 7.5 mm depth without cracking -
Vickers hardness ≥ 45 -

ISO certification

ISO 9001 vs 94 certification, obtained in 1997, and ISO 9001 vs 2000, obtained in November 2003, demonstrate the commitment to continuous improvement which is the guarantee of the competitiveness of VM ZINC®.

Its mission: customer satisfaction. The main aim of obtaining ISO certification is to satisfy its customers, the building industry professionals.
Therefore, the products and services quality objectives of all the employees are oriented towards fulfilling this mission.

One of its values: listening to the customer. Listen in order to know their exact needs, Act to ensure the provision of the product and service expected, Measure to make sure the customers are satisfied.

A natural and long lasting material
A top performing alloy
The protective patina of zinc
Physical and mechanical characteristics
PREMIUMZINC labels and ISO certification












International certification ISO 9001
VM ZINC Certification ISO 9001






Certification ISO 9001 : 2000
VM ZINC Certification ISO 9001


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