Adhesives for sensitive areas
Table of contents
Chemical threadlockers by Weicon
With 20 types from the WEICONLOCK range, Weicon offers a variety of special anaerobic adhesives and sealants that comply with strict guidelines. Which means they can be used in many sensitive areas, such as in the production of food or medicines, and also serve to increase workplace safety.
Threadlockers
In industrial applications, a variety of methods is used to secure screw connections.
These locking mechanisms are used to
prevent a reduction of clamping force and
preload, so the connections do not loosen
unintentionally. Traditionally, mechanical
methods such as securing with toothed
lock washers or self-locking nuts are used
for this. However, these methods have proven
to be disadvantageous over time, as they cannot permanently prevent loosening under influence
of loads or because they damage the surfaces.
Anaerobic adhesives provide an alternative to these
methods that can be used to secure connections.
Anaerobic adhesives
These one-component adhesives are
liquid as long as they are in contact with
the oxygen in the air. Only when no oxygen reaches the adhesive, for example
when the nut and bolt have been joined
and there is metal contact, these adhesives
start to cure. Anaerobic adhesives are material-neutral and gentle on the material. They are
used increasingly in industrial production, as they
ensure the consistent quality of the products.
The adhesives permanently secure screw joints
and eliminate the risk of unintentional loosening due to vibrations or other forces.
High requirements
However, many of the anaerobic adhesives used so far are classified as hazardous and must be labelled with several H
and P hazard statements. They irritate the skin, eyes and respiratory organs of the users. In
addition, they cause odour pollution, which
makes daily work with these substances
very unpleasant, especially in
closed rooms.
Occupational health and safety is becoming increasingly important in all industries.
The products and equipment used must
comply with strict guidelines and meet
the requirements of company doctors. The
employees who are in contact with these substances should be protected and be able to carry
out their work without restrictions.
We offer a range of special products that meet both
the high health standards and the qualities the
respective applications require.
Use in sensitive areas
WEICONLOCK adhesives have received
approvals from the National Sanitation
Foundation (NSF) and the German Technical and Scientific Association for Gas
and Water (DVGW) and are suitable for use
in drinking water applications. These adhesives
also have a so-called “white” safety data
sheet, which means they are classified as
non-hazardous.
This means that these products do not have to
be labelled with hazard symbols or H-phrases according to the strict EC regulations
No. 1907/2006 - ISO 11014-1.
These qualities make the adhesives particularly suitable for the food, cosmetics
and pharmaceutical industries, but they
can also be used for securing or sealing in
all other areas.
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