O-Rings / Compound approvals
Approved compounds for water, gas, food & pharma.
Cross-reference of elastomer base compounds carrying formal approvals for potable water, gas distribution, food contact and pharmaceutical use. Hardness (Shore A) is shown next to each base polymer — request the specific approval certificate with your enquiry.
| Approval | Country | NBR | EPDM (peroxide) | EPDM | HNBR | FKM | VMQ |
|---|---|---|---|---|---|---|---|
| 3-A Sanitary | USA | — |
| — | — | — | — |
| BfR XXI Cat. 4 | Germany | — |
| — | — | — | — |
| BS 6920 — WRAS | England |
|
| — | — |
| — |
| CLP (ACS) | France |
| — | — | — | — | — |
| ACS cold / warm / hot water | France | — |
| — | — | — | — |
| DM 174 (migration test) | Italy |
|
| — | — | — | — |
| EN 549 — DVGW | Europe |
| — | — |
| — |
|
| EN 681 — DVGW | Germany | — |
| — | — | — | — |
| EN 682 GBL | Europe |
| — | — | — | — | — |
| Hydrocheck Belgaqua | Belgium | — |
| — | — | — | — |
| FDA 21 CFR 177.2600 | USA |
|
|
|
|
|
|
| KIWA BRL-K17504 | Netherlands | — |
| — | — | — | — |
| ÖNORM B 5014-1 | Austria | — |
| — | — | — | — |
| SVGW | Switzerland | — |
| — | — | — | — |
| AS/NZS 4020:2018 | Australia / New Zealand | — |
| — | — | — | — |
| NSF/ANSI/CAN 61 | USA / Canada | — |
| — | — | — | — |
| UBA BWGL (KTW) | Germany | — |
| — | — | — | — |
| UL 778 | USA |
|
| — | — | — | — |
| UL 157 | USA |
| — | — | — | — | — |
| USP <87> | USA | — |
| — | — | — | — |
| USP <88> | USA | — |
| — | — | — | — |
| EN 16421 (W270) | Germany | — |
| — | — | — | — |
| W534 — DVGW | Germany | — |
| — | — | — | — |
| ZP 5101 | Germany |
| — | — |
| — | — |
| CE 1935/2004 | Europe |
|
| — | — | — |
|
| CE 2023/2006 | Europe |
|
| — | — | — |
|
| GS-Mark | Germany | — | — | — | — |
|
|
Potable water
- ACS — Attestation de Conformité Sanitaire (ACS-CLP)
- KIWA — Netherlands
- KTW / BWGL / UBA — Kunststoffe und Trinkwasser
- NSF — National Sanitation Foundation
- WRAS — Water Regulations Approval Scheme
- SVGW — Swiss gas & water association
- AWQC — AS/NZS 4020:2018
- Hydrocheck Belgaqua — Belgium
Gas
- DVGW — Deutsche Vereinigung des Gas- und Wasserfaches
- EN 549 — elastomeric seals for gas appliances
- EN 682 — seals for gas supply pipes and fittings
Food / Pharma
- USP <87> / <88> — United States Pharmacopeia
- FDA 21 CFR 177.2600 — Food and Drug Administration
- BfR — Bundesinstitut für Risikobewertung
- 3-A Sanitary Standard
- CE 1935/2004 & CE 2023/2006 — EU food contact
- ADI — Animal Derived Ingredient Free
Approval certificates are issued against the specific base compound and hardness combination. Contact us with the target standard, media, temperature and size to receive the matching certificate and material data sheet.