CONSTRUCTION FIXINGS Anniversary ETAs In the 50th E T anniversary since it began activity in Italy, Bossong
has received new ETA accreditations for its high performance epoxy resin EPOXY 21 (ETA 11/0344 and ETA 11/0345).
POXY 21 has certified service temperatures in the ranges -40°C/+40°C (T° max long period = 24°C) and -40°C/+80°C (T° max long period = 50°C), and can be used in different base materials such as concrete, solid
masonry, hollow masonry and wood. The formula requires a mixing ratio of two parts resin to
one part hardener. According to its ETA data and features, says Bossong, the resin constitutes one of the best chemical anchors available on the market. Bossong points out that due to its strong adhesion value and
the ease with which it penetrates holes and hollow areas, EPOXY 21 permits secure fixing without expansion and so without stress
in the base material. This is important when dealing with ancient buildings and, combined with the product’s excellent resistance to ageing, explains why EPOXY 21 has already been used for important renovation works. EPOXY 21 also has long-term resistance to hydrolysis and
is suitable for electrically insulated fixing. This allows special applications, for example in high speed railways. Bossong is confident that, in a fixing market that becomes
more and more professional, EPOXY 21 is the right product for those who look for high quality and want a resin that covers a wide range of technical applications.
www.bossong.com TS-6 receives ETA
After more than 20 years in production, Toge Dübel A. Gerhard KG has announced that its TS-6 spring anchor has received ETA accreditation (ETA-11-290).
he TS-6 spring anchor was design in the 1980s to hold suspended ceilings and is now a general purpose hanger for concrete ceilings where a wire hanger is used. Toge Dübel highlights that the TS-6 is fast to use as no tools are needed for installation. The user simply presses it into the concrete hole by hand, the little washer will release the spring and the TS-6 is fixed.
“Over 50 million TS-6 spring anchors have been sold without any problems which shows the high standard and easy
going technique of the product. The ETA approval means that the TS-6 spring anchor is now officially approved for 0.7KN in a non-structural environment. A version that offers a metric thread connection is also available.”
New chemical anchoring systems
Simpson Strong-Tie, an international manufacturer of innovative fasteners for structural timber and masonry construction, is expanding its product range of chemical anchoring systems.
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reated in co-operation with the Simpson research and development centre in France, a specialist in the development of efficient and high
quality chemical anchoring systems, the product range features: SET-XP, AT-HP and POLY- GP. SET-XP is a pure epoxy resin mortar
specially developed for the anchorage of threaded rods and reinforcing bars in cracked and un-cracked concrete and has the European Technical Approval ETA option 1 (ETA-11/0360). Simpson Strong-Tie points out the SET-XP offers the perfect solution for large diameter holes and hot climates, with SET-XP also being tested for use in seismic conditions. AT-HP is a styrene-free methacrylate
resin suitable for high performance fixing applications of threaded rods and rebar into concrete. AT-HP has received European Technical Approval (ETA-11/0139) and is
specially designed for structural fixings and very technical construction sites. The final product is POLY-GP which is
a styrene-free polyester resin specially formulated for light or medium duty fixings in hollow or solid base materials. Simpson Strong-Tie highlights that the POLY-GP enables good performance when used in basic jobs such as fixing shutters, satellite dishes, boilers, shelves or gates. POLY-GP has the approval of the certification institute SOCOTEC. Both HP and AT POLY-GP are very easy to use and fast curing. “Simpson Strong-Tie offers a
comprehensive range of mechanical and chemical fastening systems for various applications and mounting tasks. This is supported by extensive technical documentation, easy to use connection selection software and expert advice on all aspects of fastening technology.”
Fastener + Fixing Magazine • Issue 73 January 2012
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