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SYNTHESO HT 680, 1000, 1500

Benefits for your application
– Synthetic long-term and high-temperature oils
– Very good viscosity/ temperature properties
– Reduce friction
– High scuffing load capacity
– Good anti-wear properties
Description
SYNTHESO HT are long-term and high-temperature oils on a
polyglycol basis. They have a high scuffing load capacity and
protect well against wear. In the FZG test, DIN 51 354, A/8, 3/90,
their scuffing load stage is >12 and their work-related change in
weight is ≤ ۰٫۲ mg/kWh. SYNTHESO HT oils have excellent
ageing and oxidation stability and very good
viscosity/temperature properties and are ideal for high
temperatures.
Application
SYNTHESO HT oil are used for the lubrication of spur and bevel
gears and rolling bearings such as spherical roller bearings in
bowl mill crushers, plain bearings and gear couplings subject to
high temperatures and high surface pressure. Substantially less
friction and powerful protection against wear are major benefits of
these products.
Application notes
SYNTHESO HT oils are often used for immersion lubrication.
Immersion circulation and injection lubrication are supported as
well provided that you do not exceed the viscosity limits of the
pumps or the entire system.
SYNTHESO HT oils are not miscible with mineral oils and
synthetic hydrocarbons. Therefore, you are advised to clean the
lubrication points before SYNTHESO HT oils are introduced.
Because of their high viscosity, be careful about rinsing with
SYNTHESO HT. Experience shows that contamination of up to
about 5% with mineral oils and hydrocarbons will not be critical.
Beyond that level, you should drain the oil once more when it is at
operating temperature and completely refill the system with fresh
oil.
SYNTHESO HT oils are neutral towards ferrous materials and
virtually all non-ferrous metals. There may be increased wear
when the contact surfaces of design elements made of aluminium
or aluminium alloys are exposed to dynamic stress (sliding speed
and high loads). It may be necessary to carry out wear tests.
Depending on temperature and time of exposure, synthetic
lubricants based on polyglycol may affect the functionality of
rubber-elastic sealing materials. Seals made of NBR materials
(acrylonitrile butadiene rubber) can be used at permanent
temperatures up to 100 °C. For higher temperatures, it is
advisable to use seals based on FPM (fluoropolymers) as those
elastomers are resistant to SYNTHESO HT oils. Be aware that
different elastomer qualities from the same or different
manufacturers will behave differently.
Coats of paints may be attacked by synthetic lubricants. When
applying SYNTHESO HT oils we recommend the use of twocomponent
(reactive) paints for interior coating. Oil inspection
glasses should preferably be made of natural glass or polyamide
materials. Other transparent plastics such as plexiglass tend to
crack under stress. It is advisable to test the suitability of
design materials, especially those intended for series
application.
Material safety data sheets
Material safety data sheets can be requested via our website
www.klueber.com. You may also obtain them through your
contact person at Klüber Lubrication