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17:52:48, 30/08/2008
Launching New Web Site
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19:41:02, 31/08/2008
Testing corrosion resistance to the limit
Ascott CCT chamber
approved by Renault
The Renault cyclic corrosion test, officially D17 2028, is universally known as
the ECC-1 test throughout the automotive industry. This test comprises of a
multi-function cycle, during which test samples are exposed to a complex
sequence of precisely controlled climatic conditions. This sequence is then
repeated a number of times. The ECC-1 test is one of the most demanding
automotive corrosion tests in use today.
Ascott, working in collaboration with our French distributor Labomat Essor,
are pleased to announce a specially equipped version of our popular
CC1000** chamber, that has been verified and formally approved by Renault
as compliant with the requirements of ECC-1.
The verification process required the internal chamber volume be defined, in
terms of vertical and horizontal dimensions, for both the salt spray fall-out
and the temperature/humidity control requirements of ECC-1.
Compared to traditional salt spray fall-out rates of 1.5ml per hour per 80cm2,
with a control accuracy of ±33% tolerance, the ECC-1 salt spray fall-out rate
is much higher at 5ml per hour per 80cm2, with a tighter than usual control
accuracy of ±20%.
The test temperature required is a continuous +35°C with a control accuracy
of ±2.5°C during humidity transitions and ±1.0°C during constant humidity
control. The test humidity required varies between 20, 55 & 90%RH, with a
control accuracy of ±5% at 20%RH, and ±3% at 55 & 90%RH.
These conditions must be verified using independent, calibrated
instrumentation, measured over a wide range of horizontal and vertical points
inside the chamber loaded with 100 test panels. In addition to these
demanding control requirements, the ECC-1 test also requires automatic
purging and rinsing of the chamber interior, after the salt spray phase.
The special accessory kit developed by Ascott to ensure compliance with
ECC-1 requirements, has the product code; ACC01. So to order an Ascott
chamber for compliance with ECC-1, it is necessary to specify 1 x CC1000**
chamber and 1 x ACC01 accessory kit.
For more details please contact:
Nazir & Sons International
Pakistan (Authorized Rep of Ascott)
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