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Abbreviations of some common membranes and methods of expressing membrane thickness.
Abbreviations for some common membranes:
Consists of a few prescribed characters that have been widely used to replace complex names of various membrane types:
PE = Polyethylene
LDPE = Low Density Polyethylene
MDPE = Medium Density Polyethylene
HDPE = High Density Polyethylene
PET = Polyethylene Terephthalate (Polyester)
PP = Polypropylene
OPP = Oriented Polypropylene
PS = Polystyrene
OPS = Oriented Polystyrene
EPS = Expanded Polystyrene or Foamed Polystyrene
SAN = Styrene Acrylo Nitrile copolymer
ABS = Acrylonitrile Butadiene Styrene copolymer
PA = Polyamide (nylon)
PVC = Polyvinyl Chloride
PVDC = Polyvinylidene Chloride (Saran)
PVA = Polyvinyl Acetate (PVAC)
PVAL = Polyvinyl Alcohol
CMC = Carboxymethyl Cellulose
CA = Cellulose Acetate
EVA = Ethylene Vinyl AcetateT
PX = Polymethyl Pentene
CAB = Cellulose Asetate – Butyrate
EC = Ethyl Cellulose
Method for expressing film thickness:
| Mmm | inches | mil | microns | |
| 0.075 | 0.0029 | 2.95 | 75 | |
| 0.1 | 0.0039 | 3.93 | 100 | |
| 0.15 | 0.0059 | 5.90 | 150 | |
Note: 1mm = 0.039 in; 1 mil = 0.001 in
- Quantity: plastic film can also be specified by the same quantity as paper: g/m2. Density: weight per unit volume g/cm3 or g/cc.
- Yield: the film area obtained per unit weight when the film thickness is 1 mil (in2/lb/0.001 in) or m2/kg/0.0254mm
Depending on specific packaging requirements, we can combine composite films with different thicknesses from single films to maximize those requirements.
