1+1 Cork Stoppers
- 3 - 8 mm granulated cork
- Granule density: 65-70 Kg/m3
- Peroxide washing
- Silicon 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) |
280 ± 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 Force |
90 ± 30 daN |
ISO 9727 / NP 2803-3 / IM 20 |
| Cutting Tension |
≥ 7 daN/cm2 |
ISO 9727 / NP 2803-5 / IM 19 |
| Torsion Angle |
≥ 2 mm |
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 desagregation |
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 |
| TCA Quantification |
≤ 3 ng/L |
ISO / CD 20752 / IM 25 |
Food Conformity
We can assure that all raw materials used in the production of 1+1 cork stoppers are in agreement with Nacional and Europian Union Legislation of Products to Food contact, following the next requisits:
- 2002/72/CE, concerning the adaptation of products for contact with food,
- 2004/02/CE, concerning the concentration levels of heavy metals.
