Glass, yes what happened to that coating for Glass that was on Tomorrows
World in the 70s that was supposed to stop all muck sticking and you just
hosed it down.
I blame lime trees in streets though. If you have those nothing but nothing
seems to have been made efficient at cleaning it off any surface without a
lot of elbow Grease.
This newsgroup posting comes to you directly from...
Agree for vehicle windscreens, the beading of water worked fine till wipers
had to be used and found the smearing was worse than without it.
On my parents house windows which took a right battering from rain as they
had nothing between them and Dartmoor 16 miles away it did make a
considerable improvement to the outlook in wet weather,which down there was
Used it for years, never had a problem. You do have to clean the screen
_thoroughly_ before using it and apply as per the instructions. Wiper
blades should be in good condition. Water beads well and less wiping is
needed in rain.
As for carwashes, one I use every now and then uses a wax that doesn't
cause smearing at all. The one my dealer uses after a service is a
nightmare as fas as the windscreen is concerned. Driving home in the
dark and the rain was terrible.
On Tue, 10 Jul 2018 16:06:14 +0100, Ramsman wrote:
Yep, take heed of the clean screen before applying and the applying
is more than just a quick wipe over as well. Takes several hours to
do well and is quite hard work with the apllication and buffing etc.
The only slight niggle are the micro beads left by the wipers,
particularly when the coating is new. Very much like smearing but
unlike smearing they disappear in a second or two. Once it's aged a
bit ISTR that this no longer happens, but you still get the beading
and water blowing off the screen at > 40 mph or so.
I've got some Porsche concentrated screenwash which says on the label
that it shouldn't be mixed with other window cleaners.
Any idea why? The contents are anionic surfactants, polycarboxylates,
perfumes, Limonene, Laurylamine aand Dipropylenediamine.
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