*TB 31- Polycarbonate Windows

Question 1

Lexan (polycarbonate windows) will soften at ___°F

Answer 1

350°F

Question 2

Lexan windows can be cut out easily with the rotary saw by using the ______ blade.

Answer 2

Carbide-tipped cutting blade

Question 3

When cutting lexan, _____ (vertical / horizontal?) cuts should be made first

Answer 3

Horizontal

Question 4

Can chainsaws be used to cut lexan?

Answer 4

Chain saws are not effective and they SHALL NOT be used on this material. Test have shown that sawing on Lexan will break the teeth of the chain saw blade, also intense vibration of the saw creates an
extremely unsafe condition to the operator.

Question 5

In normal use, Lexan window material has a thickness from ___ inch to ___ inch.

On special installations protecting cashiers, bank tellers and toll collectors the thickness of sheets used maybe up to ___ inch.

Answer 5

• 1/8 to 1/4 inch

* 1 1/4 inch