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Air Gun Home Forum Index » Airgun Smithing » Proper PCP O-Ring Material    View previous topic :: View next topic  Proper PCP O-Ring Material   Posted: Sat Jun 30, 2012 8:24 pm radar Silver Status Member Joined: 13 Nov 2011 Posts: 1138 Location: Des Moines, Iowa, USA Hi y'all, been off for a while as summer came, classes I'm taking got tough, and I got busy with other stuff. Anyway, I should know this, but I have an O-ring I need to replace on the rsterne Double Disco 9, and I can't rmember what the best material is? Thanks! cheers, Rob _________________ It's never too late to have a happy childhood.   Posted: Sat Jun 30, 2012 9:49 pm rsterne Moderator Joined: 15 Jan 2008 Posts: 2998 Location: Coalmont, BC I just use Buna.... either 70 or 90 durometer.... You can use better ones if you want.... Bob _________________ Dominion Marksman Silver Shield - 5890 x 6000 in 1976, and downhill ever since! Airsonal: Too many to count!   Posted: Sun Jul 01, 2012 7:37 am SMP Silver Status Member Joined: 04 Feb 2011 Posts: 1183 Location: Just south of "Out There"- Land O Lakes Ontario I echo what Bob has said. I've had good luck with Buna But.....for those inquiring minds out there. http://www.physics.harvard.edu/services/machineshop/shoplinks/epm_oring_handbook.pdf In my experience this is a well developed treatise on the subject from Haaavard (say it like a bostonian) _________________ Sean   Posted: Sun Jul 01, 2012 9:20 am Slavia Moderator Joined: 31 Mar 2008 Posts: 4382 Location: Waseca, Minnesota, USA Quote: Haaavard (say it like a bostonian) In college we had one house with a Bostonian and three midwesterners. The Bostonian asked if the others wanted to go with her to a paaa-ty (party). They all wondered what kind of sicko needed company to go potty. Anyway, back to spearing shaaacks in the haaabor. _________________ ¡Listo! ¡Apunte! ¡Fuego!   Posted: Sun Jul 01, 2012 7:01 pm radar Silver Status Member Joined: 13 Nov 2011 Posts: 1138 Location: Des Moines, Iowa, USA Thanks, guys. I'll get some buna. _________________ It's never too late to have a happy childhood. Proper PCP O-Ring Material     Air Gun Home Forum Index » Airgun Smithing You cannot post new topics in this forum You cannot reply to topics in this forum You cannot edit your posts in this forum You cannot delete your posts in this forum You cannot vote in polls in this forum All times are GMT - 5 Hours   Page 1 of 1   All Posts1 Day7 Days2 Weeks1 Month3 Months6 Months1 Year Oldest FirstNewest First  Select a forum Main Forums----------------AirGunHome Q&AGeneral Air Gun Questions and TopicsPicture GalleryTarget Shooting: Casual, Fun and CompetitionHunting, Pest Control, Varminting People/Events/Airgun Issue Discussion----------------Introduce YourselfThe BS TopicClubs/Events/Regional/Political Airgun Issues Maintenance, Modification and Reviews----------------RiflesPistolsAntique, Collector and Novelty AirgunsBB GunsPellets/AmmoOpticsAccessoriesAirgun Smithing Buy, Sell or Trade Forums----------------For SaleWant to Buy   Note: If you are seeing "Please enter your username and password to log in." Your browser cookies have been reset or you need to register to access the topic in question. Use the 'Register' button near the top left of this page. Click Here for AirGunHome.com Main Page Powered by phpBB © 2001-2004 phpBB Group Partial Styling Supplied by Vjacheslav Trushkin Themes Database.