--===============5623379555124577075==
boundary="----=_Part_3772222_2122491858.1696107889265"
------=_Part_3772222_2122491858.1696107889265
Content-Transfer-Encoding: quoted-printable
Props of elemental=C2=A0zinc are likely very different from the compound=C2=
=A0zinc oxide.=C2=A0KeithChemist
Sent from the all new AOL app for iOS
On Saturday, September 30, 2023, 4:45 PM, Bob Spidell <bspidell@comcast.net=
> wrote:
Same with any grinding compound: The components are selected for their sha=
pe, hence 'cutting' ability, hardness, purpose, cost, etc.=C2=A0 A compound=
with large particles with sharp edges will cut deeper and faster than one =
with particles of a softer and/or more rounded shape. The kit I bought came=
with a paste consisting of rhyolite and whatever semi-liquid was used to m=
ake it a paste; it appears aluminum oxide is also used.=20
=20
A coarser compound will remove deeper scratches, but leave its own scratch=
es. You can start with a coarser compound to remove larger scratches, then =
switch to a finer compound to remove smaller scratches, and so on; just lik=
e you might start rubbing paint--or filler--with 320grit sandpaper, then 40=
0, then 600, 1200, etc. Some polishing compounds do that 'automatically,' t=
hey start with larger particles which themselves break down to smaller part=
icles and successively smooth the surface. McGuiars (sp?) has several compo=
unds, all graded on a thermometer-like scale for their cutting (deep) or po=
lishing (fine) characteristics.
=20
I appears the lapidary (mineral-polishing) crowd has lots of discussion re=
: best compounds. Cerium oxide is mentioned a lot, rhyolite some, but I did=
n't see any mention of zinc oxide. Zinc is a soft metal and may not lend it=
self to being a good polishing compound, for glass anyway. Cost will (alway=
s) be an issue, rhyolite may be a better compound than cerium oxide but may=
cost more, or vice versa.
=20
bs
=20
=20
On 9/30/2023 9:46 AM, llennep@verizon.net wrote:
=20
=20
What is special about cerium oxide? =C2=A0Why not use zinc oxide?=20
On Saturday, September 30, 2023, 04:20:50 AM EDT, Mark Donaldson <ard=
morebusiness@xtra.co.nz> wrote: =20
=20
=20
Ira,
=20
=C2=A0
=20
I have a spare windscreen with wiper blade =E2=80=98rainbow=E2=80=99 scratc=
hes on both sides.=C2=A0 To remove them I have purchased some CERIUM OXIDE =
to make a paste and hand-polish them out.=C2=A0=20
=20
The people at the glass company told me the process will be slow (a lot of =
elbow grease) but applying it to a soft rotary pad will speed up the proced=
ure.
=20
My cost equates to about US $15 for 4 ounces.=C2=A0 That amount should do t=
he whole windscreen.
=20
=C2=A0
=20
Here is a useful YouTube link:=C2=A0=C2=A0 https://youtu.be/4ZJPPC1ak50
=20
=C2=A0
=20
=20
=20
=C2=A0
=20
=C2=A0
=20
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0
=20
=C2=A0
=20
=C2=A0
=20
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0
=20
=C2=A0
=20
I hope this will help.
=20
=C2=A0
=20
Mark
=20
Ardmore
=20
NZ
=20
=C2=A0
=20
=C2=A0
=20
From: i erbs <eyera3000@gmail.com>=20
Sent: Saturday, 30 September 2023 5:08 AM
To: Bob Spidell <bspidell@comcast.net>
Cc: Ahealey help <healeys@autox.team.net>
Subject: Re: [Healeys] Windscreen scratches
=20
=C2=A0
=20
I got nothing to loose. Might as well give it a try. BTW, this is on my 67B=
. Those windscreens are spendy to replace=C2=A0
=20
Ira Erbs
Milwaukie, OR
1959 Austin Healey 100-6
1967 MGB Roadster
=20
=C2=A0
=20
On Fri, Sep 29, 2023, 9:06 AM Bob Spidell <bspidell@comcast.net> wrote:
=20
=20
I used a kit with some sandpaper, a mild abrasive and an attachment for a d=
rill to polish my BN2's windshield. IIRC, I got it from Eastwood:
=20
https://www.eastwood.com/glass-polishing-kit-for-deep-scratches.html
=20
The 'rule-of-thumb' is if the scratch can be felt with a fingernail it can=
't be removed, but my car had mostly mild wiper wear and the kit did the jo=
b well enough I can live with it.
=20
Bob
=20
=20
=20
On 9/29/2023 3:41 AM, Robert Markovich via Healeys wrote:
=20
=20
There are some some places=C2=A0that polish windshields. But ultimately it =
may be more cost-effective to=C2=A0simply replace. Triplex is the brand to =
use; an OEM manufacturer that supplied them back=C2=A0then. The rest often =
don=E2=80=99t fit right and eventually crack from stress points, as I=E2=80=
=99ve found.=C2=A0
=20
=20
=20
Sent from the all new AOL app for iOS
=20
=C2=A0
=20
On Friday, September 29, 2023, 2:01 AM, i erbs <eyera3000@gmail.com> wrote:
=20
=20
Howdy all=C2=A0=20
=20
Is there any proven way to remove wiper blade scratches from a windscreen?
=20
Thanks all=C2=A0
=20
Ira Erbs
Milwaukie, OR
1959 Austin Healey 100-6
1967 MGB Roadster
=20
=20
=20
=20
=20
=20
------=_Part_3772222_2122491858.1696107889265
Content-Transfer-Encoding: quoted-printable
<html xmlns=3D"http://www.w3.org/1999/xhtml"; xmlns:v=3D"urn:schemas-microso=
ft-com:vml" xmlns:o=3D"urn:schemas-microsoft-com:office:office"><head><!--[=
if gte mso 9]><xml><o:OfficeDocumentSettings><o:AllowPNG/><o:PixelsPerInch>=
96</o:PixelsPerInch></o:OfficeDocumentSettings></xml><![endif]--></head><bo=
dy>
Props of elemental zinc are likely very different from the compound&nb=
sp;zinc oxide. <div>Keith</div><div>Chemist<br><br><br><div class=3D"y=
ahoo-signature"><a href=3D"https://apps.apple.com/us/app/aol-news-email-wea=
ther-video/id646100661">Sent from the all new AOL app for iOS</a><br></div>=
<br><p class=3D"yahoo-quoted-begin" style=3D"font-size: 15px; color: #715FF=
A; padding-top: 15px; margin-top: 0">On Saturday, September 30, 2023, 4:45 =
PM, Bob Spidell <bspidell@comcast.net> wrote:</p><blockquote class=3D=
"iosymail"><div id=3D"yiv5251287396"><div>
Same with any grinding compound: The components are selected for
their shape, hence 'cutting' ability, hardness, purpose, cost, etc.&nbs=
p;
A compound with large particles with sharp edges will cut deeper and
faster than one with particles of a softer and/or more rounded
shape. The kit I bought came with a paste consisting of rhyolite and
whatever semi-liquid was used to make it a paste; it appears
aluminum oxide is also used. <br clear=3D"none">
<br clear=3D"none">
A coarser compound will remove deeper scratches, but leave its own
scratches. You can start with a coarser compound to remove larger
scratches, then switch to a finer compound to remove smaller
scratches, and so on; just like you might start rubbing paint--or
filler--with 320grit sandpaper, then 400, then 600, 1200, etc. Some
polishing compounds do that 'automatically,' they start with larger
particles which themselves break down to smaller particles and
successively smooth the surface. McGuiars (sp?) has several
compounds, all graded on a thermometer-like scale for their cutting
(deep) or polishing (fine) characteristics.<br clear=3D"none">
<br clear=3D"none">
I appears the lapidary (mineral-polishing) crowd has lots of
discussion re: best compounds. Cerium oxide is mentioned a lot,
rhyolite some, but I didn't see any mention of zinc oxide. Zinc is a
soft metal and may not lend itself to being a good polishing
compound, for glass anyway. Cost will (always) be an issue, rhyolite
may be a better compound than cerium oxide but may cost more, or
vice versa.<br clear=3D"none">
<br clear=3D"none">
bs<br clear=3D"none">
<br clear=3D"none">
<br clear=3D"none">
<div id=3D"yiv5251287396yqtfd83629" class=3D"yiv5251287396yqt1317478113=
"><div class=3D"yiv5251287396moz-cite-prefix">On 9/30/2023 9:46 AM,
<a rel=3D"nofollow noopener noreferrer" shape=3D"rect" ymailto=3D"mai=
lto:llennep@verizon.net" target=3D"_blank" href=3D"mailto:llennep@verizon.n=
et" class=3D"yiv5251287396moz-txt-link-abbreviated">llennep@verizon.net</a>=
wrote:<br clear=3D"none">
</div>
<blockquote type=3D"cite">
</blockquote></div></div><div id=3D"yiv5251287396yqtfd64874" class=3D=
"yiv5251287396yqt1317478113"><div><div style=3D"font-family:Arial, Helvetic=
a, sans-serif;font-size:16px;" class=3D"yiv5251287396ydpc19107b0yahoo-style=
-wrap">
<div dir=3D"ltr">What is special about cerium
oxide? Why not use zinc oxide?</div>
<div><br clear=3D"none">
</div>
</div>
<div id=3D"yiv5251287396ydp975197d1yahoo_quoted_6475527098" class=3D"=
yiv5251287396ydp975197d1yahoo_quoted">
<div style=3D"font-family:'Helvetica Neue', Helvetica, Arial, sans-=
serif;font-size:13px;color:#26282a;">
<div> On Saturday, September 30, 2023, 04:20:50 AM EDT, Mark
Donaldson <a rel=3D"nofollow noopener noreferrer" shape=3D"rect=
" ymailto=3D"mailto:ardmorebusiness@xtra.co.nz"; target=3D"_blank" href=3D"m=
ailto:ardmorebusiness@xtra.co.nz" class=3D"yiv5251287396moz-txt-link-rfc239=
6E"><ardmorebusiness@xtra.co.nz></a> wrote: </div>
<div><br clear=3D"none">
</div>
<div><br clear=3D"none">
</div>
<div>
<div id=3D"yiv5251287396ydp975197d1yiv6310450809">
<div>
<div class=3D"yiv5251287396ydp975197d1yiv6310450809WordSect=
ion1">
<p class=3D"yiv5251287396ydp975197d1yiv6310450809MsoNorma=
l"><span style=3D"font-family:sans-serif;color:#1F497D;">Ira,</span></p>
<p class=3D"yiv5251287396ydp975197d1yiv6310450809MsoNorma=
l"><span style=3D"font-family:sans-serif;color:#1F497D;"> </span></p>
<p class=3D"yiv5251287396ydp975197d1yiv6310450809MsoNorma=
l"><span style=3D"font-family:sans-serif;color:#1F497D;">I
have a spare windscreen with wiper blade =E2=80=98rai=
nbow=E2=80=99
scratches on both sides. To remove them I have
purchased some CERIUM OXIDE to make a paste and
hand-polish them out. </span></p>
<p class=3D"yiv5251287396ydp975197d1yiv6310450809MsoNorma=
l"><span style=3D"font-family:sans-serif;color:#1F497D;">The
people at the glass company told me the process
will be slow (a lot of elbow grease) but applying
it to a soft rotary pad will speed up the
procedure.</span></p>
<p class=3D"yiv5251287396ydp975197d1yiv6310450809MsoNorma=
l"><span style=3D"font-family:sans-serif;color:#1F497D;">My
cost equates to about US $15 for 4 ounces. That
amount should do the whole windscreen.</span></p>
<p class=3D"yiv5251287396ydp975197d1yiv6310450809MsoNorma=
l"><span style=3D"font-family:sans-serif;color:#1F497D;"> </span></p>
<p class=3D"yiv5251287396ydp975197d1yiv6310450809MsoNorma=
l"><span style=3D"font-family:sans-serif;color:#1F497D;">Here
is a useful YouTube link: </span><span st=
yle=3D"font-family:sans-serif;"><a rel=3D"nofollow noopener noreferrer" sha=
pe=3D"rect" target=3D"_blank" href=3D"https://youtu.be/4ZJPPC1ak50";><span s=
tyle=3D"color:#0563C1;">https://youtu.be/4ZJPPC1ak50</span></a></span></p>
<p class=3D"yiv5251287396ydp975197d1yiv6310450809MsoNorma=
l"><span style=3D"font-family:sans-serif;"> </span></p>
<p class=3D"yiv5251287396ydp975197d1yiv6310450809MsoNorma=
l"><span style=3D"font-family:sans-serif;color:#1F497D;"><br clear=3D"none"=
>
</span><span style=3D"font-family:sans-serif;"></span><=
/p>
<p class=3D"yiv5251287396ydp975197d1yiv6310450809MsoNorma=
l"><span style=3D"font-family:sans-serif;"> </span></p>
<p class=3D"yiv5251287396ydp975197d1yiv6310450809MsoNorma=
l"><span style=3D"font-family:sans-serif;"> </span></p>
<p class=3D"yiv5251287396ydp975197d1yiv6310450809MsoNorma=
l"><br clear=3D"none">
<span style=3D"font-family:sans-serif;color:#1F497D;">&=
nbsp; </span></p>
<p class=3D"yiv5251287396ydp975197d1yiv6310450809MsoNorma=
l"><span style=3D"font-family:sans-serif;color:#1F497D;"> </span></p>
<p class=3D"yiv5251287396ydp975197d1yiv6310450809MsoNorma=
l"><span style=3D"font-family:sans-serif;color:#1F497D;"> </span></p>
<p class=3D"yiv5251287396ydp975197d1yiv6310450809MsoNorma=
l"><span style=3D"font-family:sans-serif;color:#1F497D;">
 =
; </span><span style=3D"font-family:sans-serif=
;color:#1F497D;"></span></p>
<p class=3D"yiv5251287396ydp975197d1yiv6310450809MsoNorma=
l"><span style=3D"font-family:sans-serif;color:#003399;"> </span></p>
<p class=3D"yiv5251287396ydp975197d1yiv6310450809MsoNorma=
l"><span style=3D"font-family:sans-serif;color:#003399;">I
hope this will help.</span></p>
<p class=3D"yiv5251287396ydp975197d1yiv6310450809MsoNorma=
l"><span style=3D"font-family:sans-serif;color:#003399;"> </span></p>
<p class=3D"yiv5251287396ydp975197d1yiv6310450809MsoNorma=
l"><span style=3D"font-family:sans-serif;color:#003399;">Mark</span></p>
<p class=3D"yiv5251287396ydp975197d1yiv6310450809MsoNorma=
l"><span style=3D"font-family:sans-serif;color:#003399;">Ardmore</span></p>
<p class=3D"yiv5251287396ydp975197d1yiv6310450809MsoNorma=
l"><span style=3D"font-family:sans-serif;color:#003399;">NZ</span></p>
<p class=3D"yiv5251287396ydp975197d1yiv6310450809MsoNorma=
l"><span style=3D"font-family:sans-serif;color:#1F497D;"> </span></p>
<p class=3D"yiv5251287396ydp975197d1yiv6310450809MsoNorma=
l"><span style=3D"font-family:sans-serif;color:#1F497D;"> </span></p>
<div id=3D"yiv5251287396ydp975197d1yiv6310450809yqt18608"=
class=3D"yiv5251287396ydp975197d1yiv6310450809yqt2016400307">
<div style=3D"border:none;border-top:solid #E1E1E1 1.0p=
t;padding:3.0pt 0cm 0cm 0cm;">
<p class=3D"yiv5251287396ydp975197d1yiv6310450809MsoN=
ormal"><b><span lang=3D"EN-US">From:</span></b><span lang=3D"EN-US"> i erbs
<a rel=3D"nofollow noopener noreferrer" shape=3D"=
rect" ymailto=3D"mailto:eyera3000@gmail.com"; target=3D"_blank" href=3D"mail=
to:eyera3000@gmail.com" class=3D"yiv5251287396moz-txt-link-rfc2396E"><ey=
era3000@gmail.com></a> <br clear=3D"none">
<b>Sent:</b> Saturday, 30 September 2023 5:08
AM<br clear=3D"none">
<b>To:</b> Bob Spidell
<a rel=3D"nofollow noopener noreferrer" shape=3D"=
rect" ymailto=3D"mailto:bspidell@comcast.net"; target=3D"_blank" href=3D"mai=
lto:bspidell@comcast.net" class=3D"yiv5251287396moz-txt-link-rfc2396E"><=
bspidell@comcast.net></a><br clear=3D"none">
<b>Cc:</b> Ahealey help
<a rel=3D"nofollow noopener noreferrer" shape=3D"=
rect" ymailto=3D"mailto:healeys@autox.team.net"; target=3D"_blank" href=3D"m=
ailto:healeys@autox.team.net" class=3D"yiv5251287396moz-txt-link-rfc2396E">=
<healeys@autox.team.net></a><br clear=3D"none">
<b>Subject:</b> Re: [Healeys] Windscreen
scratches</span></p>
</div>
<p class=3D"yiv5251287396ydp975197d1yiv6310450809MsoNor=
mal"> </p>
<div>
<p style=3D"margin-bottom:12.0pt;" class=3D"yiv525128=
7396ydp975197d1yiv6310450809MsoNormal">I got
nothing to loose. Might as well give it a try.
BTW, this is on my 67B. Those windscreens are
spendy to replace </p>
<div>
<p class=3D"yiv5251287396ydp975197d1yiv6310450809Ms=
oNormal">Ira
Erbs<br clear=3D"none">
Milwaukie, OR<br clear=3D"none">
1959 Austin Healey 100-6<br clear=3D"none">
1967 MGB Roadster</p>
</div>
</div>
<p class=3D"yiv5251287396ydp975197d1yiv6310450809MsoNor=
mal"> </p>
<div>
<div>
<p class=3D"yiv5251287396ydp975197d1yiv6310450809Ms=
oNormal">On
Fri, Sep 29, 2023, 9:06 AM Bob Spidell <<a rel=
=3D"nofollow noopener noreferrer" shape=3D"rect" ymailto=3D"mailto:bspidell=
@comcast.net" target=3D"_blank" href=3D"mailto:bspidell@comcast.net"; class=
=3D"yiv5251287396moz-txt-link-freetext">bspidell@comcast.net</a>>
wrote:</p>
</div>
<blockquote style=3D"border:none;border-left:solid #C=
CCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-right:0cm;">
<div>
<p style=3D"margin-bottom:12.0pt;" class=3D"yiv52=
51287396ydp975197d1yiv6310450809MsoNormal">I
used a kit with some sandpaper, a mild
abrasive and an attachment for a drill to
polish my BN2's windshield. IIRC, I got it
from Eastwood:<br clear=3D"none">
<br clear=3D"none">
<a rel=3D"nofollow noopener noreferrer" shape=
=3D"rect" target=3D"_blank" href=3D"https://www.eastwood.com/glass-polishin=
g-kit-for-deep-scratches.html" class=3D"yiv5251287396moz-txt-link-freetext"=
>https://www.eastwood.com/glass-polishing-kit-for-deep-scratches.html</a><b=
r clear=3D"none">
<br clear=3D"none">
The 'rule-of-thumb' is if the scratch can be
felt with a fingernail it can't be removed,
but my car had mostly mild wiper wear and
the kit did the job well enough I can live
with it.<br clear=3D"none">
<br clear=3D"none">
Bob<br clear=3D"none">
<br clear=3D"none">
</p>
<div>
<p class=3D"yiv5251287396ydp975197d1yiv63104508=
09MsoNormal">On
9/29/2023 3:41 AM, Robert Markovich via
Healeys wrote:</p>
</div>
<blockquote style=3D"margin-top:5.0pt;margin-bott=
om:5.0pt;">
<p style=3D"margin-bottom:12.0pt;" class=3D"yiv=
5251287396ydp975197d1yiv6310450809MsoNormal">There
are some some places that polish
windshields. But ultimately it may be more
cost-effective to simply replace. Triple=
x
is the brand to use; an OEM manufacturer
that supplied them back then. The rest
often don=E2=80=99t fit right and eventually =
crack
from stress points, as I=E2=80=99ve found.&nb=
sp;<br clear=3D"none">
<br clear=3D"none">
</p>
<div>
<p class=3D"yiv5251287396ydp975197d1yiv631045=
0809MsoNormal"><a rel=3D"nofollow noopener noreferrer" shape=3D"rect" targe=
t=3D"_blank" href=3D"https://apps.apple.com/us/app/aol-news-email-weather-v=
ideo/id646100661">Sent from the
all new AOL app for iOS</a></p>
</div>
<p class=3D"yiv5251287396ydp975197d1yiv63104508=
09MsoNormal">
</p>
<p style=3D"margin-top:0cm;"><span style=3D"fon=
t-size:11.5pt;color:#715FFA;">On
Friday, September 29, 2023, 2:01 AM, i
erbs <a rel=3D"nofollow noopener noreferrer=
" shape=3D"rect" ymailto=3D"mailto:eyera3000@gmail.com"; target=3D"_blank" h=
ref=3D"mailto:eyera3000@gmail.com";><eyera3000@gmail.com></a>
wrote:</span></p>
<blockquote style=3D"margin-top:5.0pt;margin-bo=
ttom:5.0pt;">
<div id=3D"yiv5251287396ydp975197d1yiv6310450=
809m_3319096111410648268yiv1571707645">
<div>
<p class=3D"yiv5251287396ydp975197d1yiv63=
10450809MsoNormal">Howdy
all </p>
<div>
<p class=3D"yiv5251287396ydp975197d1yiv=
6310450809MsoNormal">Is
there any proven way to remove
wiper blade scratches from a
windscreen?</p>
</div>
<div>
<p style=3D"margin-bottom:12.0pt;" clas=
s=3D"yiv5251287396ydp975197d1yiv6310450809MsoNormal">Thanks
all </p>
<div>
<p class=3D"yiv5251287396ydp975197d1y=
iv6310450809MsoNormal">Ira
Erbs<br clear=3D"none">
Milwaukie, OR<br clear=3D"none">
1959 Austin Healey 100-6<br clear=
=3D"none">
1967 MGB Roadster</p>
</div>
</div>
</div>
</div>
<br clear=3D"none">
</blockquote>
</blockquote>
</div>
</blockquote>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
=20
<br clear=3D"none">
</div></div></div><blockquote></blockquote></blockquote></div>
</body></html>
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--===============5623379555124577075==
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_______________________________________________
Archive: http://www.team.net/pipermail/healeys
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Healeys@autox.team.net
http://autox.team.net/mailman/listinfo/healeys
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