JTY Posted November 14, 2021 Report Share Posted November 14, 2021 (edited) Dear all During the body off restoration I have fitted these polyurethane rear spring insulator rings during chassis build up. The car has never been driven, just rolled a few meters back and forth by hand in the workshop. The body has just been reunited with the chassis. The rings now seem to deteriorate spontaniously. The material has turned very hard and it breaks up with the slightest touch of my hand! What are your thoughts on this? Yes, they were ordered (maybe two years ago or so) at one of the well known UK suppliers, but I can’t remember the manufacturer/brand. Most importantly, which ones do I re-order now that are better and safe? Many thanks Jeroen Belgium Edited November 14, 2021 by JTY typos Quote Link to post Share on other sites
stuart Posted November 14, 2021 Report Share Posted November 14, 2021 I use these from Super flex https://www.superflex.co.uk/proddetail.php?prod=SF378-2327K Stuart. Quote Link to post Share on other sites
RogerH Posted November 14, 2021 Report Share Posted November 14, 2021 6 minutes ago, stuart said: I use these from Super flex https://www.superflex.co.uk/proddetail.php?prod=SF378-2327K Stuart. +1 I've had the above fitted for more than 10 years with no issues.I think they have a life time guarantee. Roger Quote Link to post Share on other sites
JTY Posted November 14, 2021 Author Report Share Posted November 14, 2021 Many thanks, Stuart and Roger. Rebuilds confidence Quote Link to post Share on other sites
astontr6 Posted November 14, 2021 Report Share Posted November 14, 2021 4 hours ago, JTY said: Dear all During the body off restoration I have fitted these polyurethane rear spring insulator rings during chassis build up. The car has never been driven, just rolled a few meters back and forth by hand in the workshop. The body has just been reunited with the chassis. The rings now seem to deteriorate spontaniously. The material has turned very hard and it breaks up with the slightest touch of my hand! What are your thoughts on this? Yes, they were ordered (maybe two years ago or so) at one of the well known UK suppliers, but I can’t remember the manufacturer/brand. Most importantly, which ones do I re-order now that are better and safe? Many thanks Jeroen Belgium A poor quality polymer has been used? Have these spring insulators being stored by electric motors or strong sunlight? Bruce. Quote Link to post Share on other sites
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