Science: No More Flats

Last week science promised motorists another postwar boon: synthetic inner tubes that will hold air ten times as long as natural rubber, will need to be inflated only three or four times a year, and will run on nicely for miles after a puncture.

The material that makes this possible is butyl rubber, a synthetic which has been in commercial production for only two years. Standard Oil Development Co.. which developed it, said that butyl has now had a thorough tryout by the Army. has proved its value. Butyl's great virtue is that its carbon molecules have far fewer loose (saturated) ends...

Want the full story?

Subscribe Now


Get TIME the way you want it

  • One Week Digital Pass — $4.99
  • Monthly Pay-As-You-Go DIGITAL ACCESS$2.99
  • One Year ALL ACCESSJust $30!   Best Deal!
    Print Magazine + Digital Edition + Subscriber-only Content on

Learn more about the benefits of being a TIME subscriber

If you are already a subscriber sign up — registration is free!