Message:

<p>[QUOTE=&quot;rlm&#039;s cents, post: 615026, member: 7957&quot;]Well, their normal materials are gold and silver.&nbsp; It cannot be that horrible, could it?</p><p><br /></p><p>I have no empirical data for steam.&nbsp; However, I can give you some extrapolations;</p><p><br /></p><p>For hard materials (verdigris, etc.), pressure would be the prime driver.&nbsp; Pressure = pressure.</p><p>For grease, high temperatures would soften.&nbsp; That being said, I cannot foresee any typical coin dirt that pressure washer pressures could not easily remove.</p><p><br /></p><p>The problem I can see with steam is that reactions will be occurring 1000 to 10,000 times as fast just due to the elevated temperatures.&nbsp; Now, 10,000 times 0 is still 0, but does anyone really believe there are no reactions going on?&nbsp; How close to zero, I really cannot answer.[/QUOTE]</p><p><br /></p>

Your name or email address:

Do you already have an account?

• No, create an account now.
• Yes, my password is:
• Forgot your password?

Stay logged in