Declaratie de mediu NedZink NedZink
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ENVIRONMENTAL PRODUCT DECLARATION
as per ISO 14025 and EN 15804
Owner of the Declaration
NedZink B.V.
Programme holder
Institut Bauen und Umwelt e.V. (IBU)
Publisher
Institut Bauen und Umwelt e.V. (IBU)
Declaration number
EPD-NED-20140082-IBA2-EN
ECO EPD Ref. No.
ECO-00000088
Issue date
23.10.2015
Valid to
22.10.2020
NedZink NATUREL
NedZink B.V.
www.bau-umwelt.com / https://epd-online.com
Umwelt Produktdeklaration Name des Herstellers – Name des Produkts
1. General Information
NedZink B.V.
NedZink NATUREL
Programme holder
IBU - Institut Bauen und Umwelt e.V.
Panoramastr. 1
10178 Berlin
Germany
Owner of the Declaration
NedZink B.V.
Hoofdstraat 1
6024 AA, Budel-Dorplein
Netherlands
Declaration number
EPD-NED-20140082-IBA2-EN
Declared product / Declared unit
1kg NedZink® NATUREL, bright-rolled titanium zinc
This Declaration is based on the Product
Category Rules:
Building metals, 07.2014
(PCR tested and approved by the SVR)
Scope:
The Life Cycle Assessment (L
CA) was carried out
according to ISO 14040, ISO 14044 and EN 15804.
The LCA is performed for NedZink® NATUREL
manufactured by NedZink B.V. in Budel-Dorplein,
Netherlands. NedZink B.V. has provided the sitespecific data, background processes are taken from
the Ecoinvent (version 2) database.
The LCA was carried out for the manufacturing phase
of the declared product, containing information on raw
and secondary material production, transport and
packaging (cradle to gate). Possible credits after the
end of life phase (module D) are also included.
The owner of the declaration shall be liable for the
underlying information and evidence; the IBU shall not
be liable with respect to manufacturer information, life
cycle assessment data and evidences.
Issue date
23.10.2015
Valid to
22.10.2020
Verification
The CEN Norm /EN 15804/ serves as the core PCR
Independent verification of the declaration
according to /ISO 14025/
internally
x externally
Prof. Dr.-Ing. Horst J. Bossenmayer
(President
of Institut Bauen und Umwelt e.V.)
Mr Carl-Otto Neven
(Independent verifier appointed by SVR)
Dr. Burkhart Lehmann
(Managing Director IBU)
2. Product
2.1
Product description
NedZink® NATUREL is titanium zinc produced by
NedZink according to EN 988. Small quantities, as
specified in EN 988, of the alloy elements copper,
titanium and aluminium are added to electrolytically
refined zinc (with a purity of min. 99,995% Zn, Z1
according to EN 1179). The chemical composition,
mechanical and physical properties and measurement
tolerances are determined in the KOMO product
certificate and the product certificate from Lloyd’s
Register, LRIQS (Approval QIS122). The defined
material properties are checked by an independent
and neutral research institute. This product certification
and the ISO 9001 certificate for the quality
management system at NedZink assure a constant
and uniform high quality standard.
2.2
Application
NedZink® NATUREL titanium zinc coils, sheets, strips
and profiles are
used for roof and façade cladding,
interior use and rainwater drainage systems (gutters,
downpipes and accessories).
use. However, the product is safe for indoor use and
can be used as such. There are no harmful emissions
to indoor air. The product does not contain VOC’s.
2.3
Technical Data
Constructional data
Name
Coefficient of thermal expansion
Tensile strength
Yield strength elasticity
Elongation
Vickers Hardness
Compressive strength
Modulus of elasticity
Melting point
Thermal conductivity
Electrical conductivity at 20°C
Density
Value
Unit
22
≥ 150
≥ 110
≥ 40
≥ 40
Not
relevant
≥ 80000
420
110
17
7200
10-6K-1
N/mm2
N/mm^2
%
HV3
N/mm2
N/mm2
°C
W/(mK)
Ω-1m-1
kg/m3
Required testing standards are described in EN 988.
NedZink® NATUREL is intended mainly for outdoor
2
Environmental Product Declaration NedZink B.V. – NedZink Naturel
2.4
Placing on the market / Application rules
EN 988: 1996, Zinc and zinc alloys – Specifications for
rolled flat products fo
r building
EN 612: 2005, Eaves gutters with bead stiffened fronts
and rainwater pipes with seamed joints made of metal
sheet
BRL2034, KOMO K7054/03 zinc sheets
BRL2035, KOMO K7057/03 zinc gutters
BRL2044, KOMO K7063/03 zinc downpipes
2.5
Delivery status
NedZink material is delivered in thicknesses from 0.5
to 1.5 mm. The maximum width of sheets, coils and
strips is 1,000 mm. The standard sheets are delivered
in 1x2 m, 1x2.25 m and 1x3 m. Finished products are
delivered to customer specification.
2.6
Quality control:
During the entire process extensive quality checks are
conducted by the manufacturer and Lloyd’s Register.
Quality management control according to ISO 9001.
2.8
Environment and health during
manufacturing
The manufacturing process is carried out according to
the rules as laid down in the environmental permit.
NedZink’s policy follows the Total Quality Management
(TQM). The directives of the Environmental
Management System ISO14001 are an integral part of
the Quality M
anagement System ISO9001.
2.9
Product processing/Installation
NedZink material must be transported under dry and
ventilated conditions. All contact between zinc and
moisture during handling and transportation must be
avoided. Mechanical deformation of zinc should be
avoided in case the zinc temperature is not minimum
7°C.
Base materials / Ancillary materials
2.10 Packaging
Titanium zinc coils and sheets are transported on
wooden pallets. Packaging materials are polyethylene
(PE foils) and paper/cardboard. All packaging
materials are reusable and/or recyclable. Return in
Germany is organized by Interseroh.
Components of NedZink alloy
·
Special-High-Grade zinc 99.995% (Z1 according
to EN 1179): ≤ 99.835%
·
Copper: 0.08 - 0.17%
·
Titanium: 0.07 - 0.12%
·
Aluminium: ≤ 0.015%
Auxiliary substances
Lubricant emulsion: 0.18 kg/t zinc
Lubricant oil: 0.63 kg/t zinc
2.7
Manufacture
Pre-alloy:
In order to improve the properties of zinc, and for
energy saving reasons, a pre-alloy with t
itanium,
copper and aluminium is prepared in an induction
furnace. This pre-alloy is poured into ingots.
Melting:
In the melting furnace the Special High Grade (SHG)
zinc and the ingots are mixed homogeneously. Zinc
with the right composition is pumped to the casting
furnace.
Casting:
Casting takes place from the casting furnace into a
vertical casting installation. The zinc is cast into blocks,
cooled down and stored for further processing.
Rolling and coiling:
Blocks coming from the casting installation are
homogeneous pre-heated for the “hot rolling” process.
This takes place in a gas-fired continuous oven.
During the hot rolling on a reversible rolling machine
the blocks are processed to a pre-defined thickness. At
the end of the rolling installation the zinc is coiled and
stored to cool off.
On the reversible cold-rolling mill the coils are rolled to
the desired final thickness. For cooling and lubrication
of the process a special emulsion is used
Stretching and cutting:
Tensi
ons in the coils are released by a stretching-and
straightening process. The zinc is uniquely marked and
slitted and cut to the desired width and length.
3
2.11 Condition of use
NedZink material develops a protective patina layer,
which darkens the material slightly over time due to a
reaction with oxygen and carbon dioxide (air and
water). This layer is responsible for the high resistance
of titanium zinc against corrosion.
Zinc in contact with air creates a zinc-oxide. Due to the
influence of water a zinc-hydroxide is developed. In the
final step a reaction with carbon dioxide creates a nonwater-soluble coating of basic zinc carbonate, being
the patina.
NedZink material is UV-resistant, non-flammable and
resistant to radiating heat. Direct contact with chemical
substances, especially those containing acids, has to
be avoided. A list of substances to be avoided can be
found on www.nedzink.com.
The material has a repellent effect to electro smog
(electromagnetic radiation) and the ef
fects of rain and
snow may be neglected.
2.12 Environment and health during use
Environment
The due to air and water formed patina (zinc
carbonate) is a natural protection layer. Due to this
patina the transfer of zinc ions via rain water is
Environmental Product Declaration NedZink B.V. – NedZink Naturel
constantly reduced, because this protection layer is
non-water-soluble.
Further transfer of zinc ions is mainly related to the air
pollution with SO2. (Lit: R.H.J. Korenromp, J.C.Th.
Hollander). Due to the reduction of SO2 concentration
in the air, the zinc-concentration of precipitation in the
rainwater has subsequently been reduced to one fifth
of the former values during the last thirty years. As a
result of all environmental regulations this amount will
reduce even more in the future.
Vaporization
Vaporization as zinc oxide (ZnO) occurs when heated
above 650 °C. The produced ZnO smoke may cause
zinc fever (diarrhea, dry throat, feverish) when inhaled
over some period of tim
fects of rain and
snow may be neglected.
2.12 Environment and health during use
Environment
The due to air and water formed patina (zinc
carbonate) is a natural protection layer. Due to this
patina the transfer of zinc ions via rain water is
Environmental Product Declaration NedZink B.V. – NedZink Naturel
constantly reduced, because this protection layer is
non-water-soluble.
Further transfer of zinc ions is mainly related to the air
pollution with SO2. (Lit: R.H.J. Korenromp, J.C.Th.
Hollander). Due to the reduction of SO2 concentration
in the air, the zinc-concentration of precipitation in the
rainwater has subsequently been reduced to one fifth
of the former values during the last thirty years. As a
result of all environmental regulations this amount will
reduce even more in the future.
Vaporization
Vaporization as zinc oxide (ZnO) occurs when heated
above 650 °C. The produced ZnO smoke may cause
zinc fever (diarrhea, dry throat, feverish) when inhaled
over some period of tim
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