|Kevlar was at one time (and still may be) pound for pound the strongest |tensile strength fiber known to man. It is used in bulletproof vests and |chain-saw chaps because if this quality. When I bought chain-saw chaps the salesman told me that the chaps where made of Kevlar. At home I looked at the lable said they were made out of polyester. Chaps are used to protect the user of a chainsaw from an accident. The chaps don't prevent getting cut but hopefully stop further injury by gumming up the chain and stopping the saw engine. Not that it matters if the material is Kevlar or polyester as long as it works! &Diety forbid one is unfortunate enough to have to really USE the chaps. I won't use a chainsaw without chaps.... Kevlar is STRONG. I've seen bullet resistant vests shot with 9mm, 45's and 12 gauge slugs at point blank range. The vest in question had around 30 layers. NONE of the rounds penatrated the first layer. The 12 guage came close but still did not get through. Thanks Matt for the fibergalss and Kevlar education. Its really fasicinating. Hope this helps. Dan *************************************************************************** PaddleWise Paddling Mailing List - All postings copyright the author and not to be reproduced outside PaddleWise without author's permission Submissions: paddlewise_at_lists.intelenet.net Subscriptions: paddlewise-request_at_lists.intelenet.net Website: http://www.paddlewise.net/ ***************************************************************************
dmccarty_at_us.ibm.com wrote: > &Diety Your IBMness is showing. > > Kevlar is STRONG. I've seen bullet resistant vests shot with 9mm, 45's and > 12 gauge slugs at point blank range. The vest in question had around 30 > layers. NONE of the rounds penatrated the first layer. The 12 guage came > close but still did not get through. An interesting "layup" I saw when working in the aircraft industry was for a US military fighter's access hatch. It was made with a Kevlar honeycomb core (! never seen anything like this since - must be expensive) about 1 cm thick. The outer side of the core was covered with titanium wire screen (like window screen only made with titanium) and both sides covered with layers of Kevlar and carbon fibre. It was light as a feather and capable of stopping some serious calibre fire. This stuff would be ideal for Doug's next kayak! Mike *************************************************************************** PaddleWise Paddling Mailing List - All postings copyright the author and not to be reproduced outside PaddleWise without author's permission Submissions: paddlewise_at_lists.intelenet.net Subscriptions: paddlewise-request_at_lists.intelenet.net Website: http://www.paddlewise.net/ ***************************************************************************
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