termonology
center folded = this film is folded over in the center.
it will work on any brand or model of semi-automatic or automatic "l"
bar sealer and single bar sealers with hand held heat guns.
single wound = this film lays flat. it has the same
application and properties as center folded film. this film is
only used on high production, high speed automatic shrink wrap systems.
machine direction = the direction the film is wound on
the roll.
transverse direction = across the width of the roll.
film sizing formula:
TO DETERMINE THE FILM WIDTH OF CENTERFOLDED (CF) FILM REQUIRED TO
PACKAGE A PRODUCT IS:
L PLUS H PLUS 2" (FOR 0 - 2-1/2" HEIGHT)
L PLUS H PLUS 2-1/2" (FOR 2-1/2 - 4-1/2" HEIGHT)
L PLUS H PLUS 3" (FOR 4-1/2" & UP HEIGHT)
uvi
= ultraviolet inhibitor
eva = ethyl vinyl acetate