Usually Teflon coated bulbs are called rough service or shatter resistant bulbs. SOME even have a warning label saying they have a PTFE coating. I've noticed that PTFE label on incandescent bulbs but I don't use the red ones so I'm not really sure about those...
Nikki
Sorry for your loss :( When I saw the title of this thread, my first thought was Teflon coating on the bulb but you've already figured that out. I agree its very irresponsible to sell them for use in brooders with no warning lables or directions for how long you should run the bulb to let the...