Plan a trial for your application
Oil-resistant seals
Immerse in the intended oil at service temperature. Record changes in volume, hardness and strength.
Hoses and extruded parts
Evaluate the finished part at target pressure, temperature and low-temperature bend conditions.
Purchase specifications and incoming inspection
Use these properties to compare grades within the product family. Example figures refer to the cited grade or source. Confirm the offered specification, packaging and lead time in the quotation. ARLANXEO · Nitrile rubber family and applications ↗
| Property | Unit | Published or agreed specification | Test conditions and checks |
|---|---|---|---|
| Bound acrylonitrile | % by mass | Confirm against the offered grade and purchase specification | Report on a polymer basis and state the method. |
| Mooney viscosity | MU | Confirm against the offered grade and purchase specification | Report test temperature, rotor and duration. |
| Volume change after fluid exposure | % | Confirm against the offered grade and purchase specification | Keep the medium, immersion time and state of cure constant. |
When approving a sample, record the grade, methods, limits and specification revision. On receipt, match the packing lot number to the lot-specific COA and record the measured values and release decision.
From samples to commercial delivery
Packaging and receiving
Check NBR grade, lot and wrapping film. Powdered NBR has separate packaging requirements.
Storage and handling
Retain both uncured raw rubber and cured parts for separate processing and service-performance checks.
Sample and order lead times
State processing equipment, trial batch size and monthly demand. Confirm same-grade samples, first-order MOQ, staged deliveries and arrival date.
Questions from the plant
Does “oil-resistant” cover every type of oil?
Run immersion tests with the additives, temperature and contact duration of the actual oil.
Will higher acrylonitrile content improve low-temperature performance too?
Select against a specified cold test and the oil-resistance target together. One structural parameter cannot establish both.
Report a delivery or batch issue
Include the order number, lot number from the package, label photos and inspection records for the affected lot. When retesting, check Bound acrylonitrile, Mooney viscosity, Volume change after fluid exposure.
Request documents for your application
TDS · Technical data sheet
For grade selection and sample approval, specify the grade and revision required.
SDS · Safety data sheet
Specify the country or region of use and the required language.
COA · Certificate of analysis
Request a sample COA during supplier review. For incoming inspection, provide the actual lot number.