1e48cc3d_Laser_infobase____BloomingLabs__Cause_Consequence
[Material] PolyPropylene Foam [DANGER!] Catches fire [Cause/Consequence] 
Like PolyStyrene, it melts, catches fire, and the melted drops continue to burn and turn into rock-hard drips and pebbles.
Difference between revisions of "Laser infobase" - BloomingLabs
Cause/Consequence