| |
COST
MARGINS ARE TIGHT
AND
ECONOMY IS STILL RECOVERING
MATERIAL
CHARACTERISTICS
-
BACTERIAL BARRIER
-
STRENGTH
-
FLEXIBILITY
-
SEALING CAPABILITY
-
POROUS OR BARRIER
-
CLEAN
-
AESTHETICALLY PLEASING
MATERIAL
CHARACTERISTICS
-
PURE
-
ENVIRONMENTALLY SAFE
-
STERILIZATION STABLE
-
PRINTABLE
-
PROCESSIBLE
-
SHELF STABLE
MATERIALS
POROSITY
|
MATERIAL |
OXYGEN |
WATER |
|
LDPE |
300-400 |
1.0-1.5 |
| HDPE |
100-200 |
0.3-0.5 |
| POLYPROPYLENE |
150-200 |
0.2-0.5 |
| POLYSTERENE |
300-400 |
5-10 |
| POLYCARBONATE |
200-300 |
3-8 |
MATERIALS
POROSITY
|
MATERIAL |
OXYGEN |
WATER |
|
NITRILE |
0.8 |
3-5 |
| PVC |
5-10 |
0.9-2 |
| POLYESTER |
10 |
0.9 |
| PETG
(COPOLYESTER) |
25 |
1.2 |
| NYLON |
1-3 |
6-22 |
| POLYVINYLIDENE
CHL. |
0.1 |
0.01 |
|
|
