This film in any form may act as a fire enclosure and other enclosure can act as mechanical enclosure… it is not asked to do all the enclosure function by a single enclosure… even though that’s how it is practiced …
Sent from my iPhone > On Oct 8, 2021, at 1:11 PM, Dan Roman > <[email protected]> wrote: > > > I agree with Ted, you’ll need to try this out first. Just because it is > flame retardant does not mean it will be mechanically suitable for the > pressures involved during a lithium battery catastrophic failure. If the > enclosure is breached because it cannot physically contain the failure it > won’t matter what its flame rating is. > > Have a good weekend everyone, > > Dan > > > From: Ted Eckert <[email protected]> > Sent: Friday, October 8, 2021 6:40 AM > To: [email protected] > Subject: Re: [PSES] UL 510 Flame retardant tape > > Hello Charlie, > > I apologize for not answering your question directly, but I would like to > respond based on the general intent. Kapton tape is flame resistant, but I > recommend that you take samples and apply a flame to see how it reacts. My > personal opinion is that Kapton tape won’t contribute fuel to a fire, but it > isn’t likely to contain it either. Thin film material might not be suitable > if the intent is to slow the progression of a fire to keep it from reaching > other flammable material. > > Consider fabricating the proposed tape enclosure on a few sample batteries > and intentionally fault them to induce an exothermic reaction. The results > may give an indication whether you want to pursue this path further. > > Best regards, > Ted Eckert > > The opinions expressed are my own and do not necessarily reflect those of my > employer or TC 108. > > From: Charlie Blackham <[email protected]> > Sent: Friday, October 8, 2021 6:25 AM > To: [email protected] > Subject: [EXTERNAL] [PSES] UL 510 Flame retardant tape > > All > > Various Kapton tapes are sold as Flame Retardant, some seem to reference UL > 94 and others UL 510. > > The scenario is a product falling under EN 62368-1 and the secondary lithium > battery needs a fire enclosure and rather than using the product enclosure, > one could be made for the battery using a suitable plastic or manual > application of retardant tape. > > Is there any correlation between UL 510 and UL94 when considering creating a > Fire Enclosure for a battery as per Clause M.4.3 ? > > > > Best regards > Charlie > > Charlie Blackham > Sulis Consultants Ltd > Mead House > Longwater Road > Eversley > RG27 0NW > UK > Tel: +44 (0)7946 624317 > Email: [email protected] > Web: https://sulisconsultants.com/ > Registered in England and Wales, number 05466247 > > - > ---------------------------------------------------------------- > This message is from the IEEE Product Safety Engineering Society emc-pstc > discussion list. To post a message to the list, send your e-mail to > <[email protected]> > > All emc-pstc postings are archived and searchable on the web at: > http://www.ieee-pses.org/emc-pstc.html > > Attachments are not permitted but the IEEE PSES Online Communities site at > http://product-compliance.oc.ieee.org/ can be used for graphics (in well-used > formats), large files, etc. > > Website: http://www.ieee-pses.org/ > Instructions: http://www.ieee-pses.org/list.html (including how to > unsubscribe) > List rules: http://www.ieee-pses.org/listrules.html > > For help, send mail to the list administrators: > Scott Douglas <[email protected]> > Mike Cantwell <[email protected]> > > For policy questions, send mail to: > Jim Bacher <[email protected]> > David Heald <[email protected]> > > - > ---------------------------------------------------------------- > This message is from the IEEE Product Safety Engineering Society emc-pstc > discussion list. To post a message to the list, send your e-mail to > <[email protected]> > > All emc-pstc postings are archived and searchable on the web at: > http://www.ieee-pses.org/emc-pstc.html > > Attachments are not permitted but the IEEE PSES Online Communities site at > http://product-compliance.oc.ieee.org/ can be used for graphics (in well-used > formats), large files, etc. > > Website: http://www.ieee-pses.org/ > Instructions: http://www.ieee-pses.org/list.html (including how to > unsubscribe) > List rules: http://www.ieee-pses.org/listrules.html > > For help, send mail to the list administrators: > Scott Douglas <[email protected]> > Mike Cantwell <[email protected]> > > For policy questions, send mail to: > Jim Bacher <[email protected]> > David Heald <[email protected]> > > - > ---------------------------------------------------------------- > This message is from the IEEE Product Safety Engineering Society emc-pstc > discussion list. To post a message to the list, send your e-mail to > <[email protected]> > > All emc-pstc postings are archived and searchable on the web at: > http://www.ieee-pses.org/emc-pstc.html > > Attachments are not permitted but the IEEE PSES Online Communities site at > http://product-compliance.oc.ieee.org/ can be used for graphics (in well-used > formats), large files, etc. > > Website: http://www.ieee-pses.org/ > Instructions: http://www.ieee-pses.org/list.html (including how to > unsubscribe) > List rules: http://www.ieee-pses.org/listrules.html > > For help, send mail to the list administrators: > Scott Douglas <[email protected]> > Mike Cantwell <[email protected]> > > For policy questions, send mail to: > Jim Bacher <[email protected]> > David Heald <[email protected]> > > - > ---------------------------------------------------------------- > This message is from the IEEE Product Safety Engineering Society emc-pstc > discussion list. To post a message to the list, send your e-mail to > <[email protected]> > > All emc-pstc postings are archived and searchable on the web at: > http://www.ieee-pses.org/emc-pstc.html > > Attachments are not permitted but the IEEE PSES Online Communities site at > http://product-compliance.oc.ieee.org/ can be used for graphics (in well-used > formats), large files, etc. > > Website: http://www.ieee-pses.org/ > Instructions: http://www.ieee-pses.org/list.html (including how to > unsubscribe) > List rules: http://www.ieee-pses.org/listrules.html > > For help, send mail to the list administrators: > Scott Douglas <[email protected]> > Mike Cantwell <[email protected]> > > For policy questions, send mail to: > Jim Bacher <[email protected]> > David Heald <[email protected]> - ---------------------------------------------------------------- This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. To post a message to the list, send your e-mail to <[email protected]> All emc-pstc postings are archived and searchable on the web at: http://www.ieee-pses.org/emc-pstc.html Attachments are not permitted but the IEEE PSES Online Communities site at http://product-compliance.oc.ieee.org/ can be used for graphics (in well-used formats), large files, etc. Website: http://www.ieee-pses.org/ Instructions: http://www.ieee-pses.org/list.html (including how to unsubscribe) List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas <[email protected]> Mike Cantwell <[email protected]> For policy questions, send mail to: Jim Bacher: <[email protected]> David Heald: <[email protected]>
