bulleproof UD fabrics are made of UHMWPE fiber, The UHMWPE fibers are consisted of four unidirectional arranged fiber webs which overlapped by 90°each other and laminated with special matrix materials.
The UHMWPE bulletproof UD fabric is can be used for bulletproof jackets and helmets and boards in the military fields ,There are 4 fiber layers and 2 films faces(double longitude and latitude ).
Please see the details about 185gsm as following:
Area density (gsm)
UHMWPE UD Bulletproof Fabric
4 layers overlapped by 90° each other and laminated
Length:110m continue in roll
NIJ IIIA 9mm
They are used for military fields often which
requests are high
NIJ IIIA .44
Note: width: 1.2m(max.1.25m, effective width 1.2m) length: continuous in roll(around 110m per roll)