BOPP/CPP macro and micro perforated film
Material items :BOPP/CPP micro perforated film & BOPP/CPP macro perforated film
Thickness : 20,25,28,30,35,40,55 micron
Width :380MM,450MM,500MM,650MM,800MM,950MM
Length : 1400M, 1500M,2000M,3000M,4000M
1.
FOR micro perforated film
Normally , micro perforated 's density is :P160 , this is :160 holes per square inch.
TD (Machine Direction):2mm, MD(Transverse Direction):2 mm.
2.
FOR macro perforated film
Macro perforated, also called air hole, usually , diameter of the hole is 1cm, space between holes ( hole pitch) is : 3”(76mm)
All the hole diameter would be approx 8mm, distance between whole holes is 4cm.