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Saturday 14 April 2018 at 01:43
Quoted from TractorDoc:I tested compressed air/freezing on another area of the practice playfield (strangely enough it had mylar in front of the slingshots but the "good" playfield did not) and it seemed to work ok, so I took a deep breath and went that route.
Yes, over 35 years, the Mylar may have ...
Source: http://pinside.com/pinball/forum/topic/vids-guide-to-ultimate-playfield-restoration/page/114#post-4337684