Agglomerated Cork Stoppers
- 2 - 5 granulated cork
- Granule density: 65 - 70 Kg/m3
- Polyurethane based glue
- Peroxide washing
- Silicone Elastomer coating
Technical Specification
| Test |
Specification |
Method |
| Length |
NV ± 0.5 mm |
ISO 9727 / NP 2803-1 / IM 21 |
| Diameter |
NV ± 0.3 mm |
ISO 9727 / NP 2803-1 / IM 21 |
| Apparent Density (Kg/m3) |
320 ± 40 Kg/m3 |
ISO 9727 / NP 2803-1 / IM 21 |
| Moisture Content (%) |
4 - 8 % |
ISO 9727 / NP 2803-2 / IM 13 |
| Extraction Strength (daN) |
25 ± 10 daN |
ISO 9727 / NP 2803-4 / IM 18 |
| Compression Strength |
80 ± 30 daN |
ISO 9727 / NP 2803-3 / IM 20 |
| Cutting Tension |
≥ 7 daN/cm2 |
ISO 9727 / NP 2803-5 / IM 19 |
| Torsion Angle |
≥ 35o |
ISO 9727 / NP 2803-5 / IM 19 |
| Sealing behavior |
Absence of leakage at 1.5 bar |
ISO 9727 / NP 2803-5 / IM 01 |
| Resistance to boiling water |
Absence of desegregation |
ISO 9727 / NP 2803-7 / IM 02 |
| Capillarity |
< 2 mm |
IM 03 |
| Microbiology Test |
< 4 colonies/stopper |
ISO 10718 / NP 3725 / IM 24 |
| Peroxide Residue |
≤ 0,2 mg/stopper |
IM 22 |
| Solid Residue |
<1 mg/stopper |
NP 3383 / IM 15 |
| Sensory Analysis |
Absence of strange odours |
ISO / DIS 22308 / IM 05 |
Food Conformity
We can assure that all raw materials used in the production of agglomerated cork stoppers are in agreement with Nacional and Europian Union Legislation of Products to Food contact, following the next requisites:
- 2002/72/CE, concerning the adaptation of products for contact with food,
- 2004/02/CE, concerning the concentration levels of heavy metals.
