Packaging for the food industry can be divided into several groups. The productgroups are characterized by the material of the packaging, namely: A-PET, PP (Homo-Polymer), PP freezer safe (Co-Polymer)and PS freezer safe.
APET |
PP (Copolymer)
|
PP (Homo-Polymer) |
PS |
PS
|
|
| Applications suitable for the packaging | dry, watery, sourly and oily food | dry, watery, sourly and oily food | dry, watery, sourly and oily food | dry, watery, and sourly food | dry, watery, sourly and oily food |
| Brightness | transparent |
basic color milky-white, can be mixed with color concentrate |
basic color transparent, can be mixed with color concentrate | transparent(Styrolux) or with color concentrate (PS) | not transparent |
| Max.temperature | + 66 ˚C | + 121 ˚C | + 121 ˚C | + 85 ˚C | + 85 ˚C |
| Min. temperature | - 40 ˚C | - 40 ˚C | 0 ˚C | - 18 ˚C | - 40 ˚C |
| Stiffness | good | reasonable | sufficient | very good | reasonable |
| Impact resistance | good | good | reasonable | not good | good |
| Tear strengt | good | good | good | reasonable | good |
| Gloss | very good | reasonable | reasonable | good | bad |
| Gas permeability Oxygen 02 Water vapor H20 Carbonic C20 |
low average low |
average low average |
average low average |
high high high |
high high high |
| Grease proof | excellent | excellent | excellent | bad | reasonable |
| Freezer-proof | yes | yes | no | no | yes |
| Microwave proofe | no | yes | yes | no | no |
| Oven proofe | no | no | no | no | no |
| Taste influence | very little | very little | very little | reasonable alternative. ico styrolux apply PET-G layer | very little |
| Known figurative usage | chemical storage | chemical storage | chemical storage | chemical storage | chemical storage |
| Used raw material |
Regenerated APET | Regenerated freezer-proof PP-COPO | Regenerated PP-Homo | Regenerated styrolux (transparent) or regenerated HIPS/GPPS | Regenerated freezer-proof HIPS |
| Packaging suitable for food | yes, see the food symbol on the packaging | yes, see the food symbol on the packaging | yes, see the food symbol on the packaging | yes, see the food symbol on the packaging | yes, see the food symbol on the packaging |