Pick the Thickness.
We Resolve the Part Number.
MR21 cavity resonance absorbers are elastomeric sheets that damp resonant modes inside enclosed cavities. Each thickness covers a specific frequency band — thicker material targets lower frequencies. Select the thickness whose band matches your cavity’s resonance, choose your adhesive backing, and the selector resolves the exact part number and price.
Two Choices. One Exact Part Number.
On MR21 the frequency band is set by thickness — so the band is displayed, never chosen. Pick the thickness (matched to the band you need), choose adhesive, and the panel on the right resolves to the single matching part with its price.
Each thickness targets a frequency band — thicker material = lower frequency. Pick the one covering your cavity’s resonance; its band is shown on the chip and confirmed below.
Pressure-sensitive adhesive for peel-and-place mounting, or plain sheet for bonded installs.
Order any quantity at the listed price. Need volume pricing? Request a quote.
Twenty-One MR21 Configurations.
Pick Thickness. Pick Adhesive.
Every MR21 part number at a glance — thickness, frequency band, price, and adhesive option. Click any row to load that part into the selector above.
| Part Number | Description | Frequency Band | Thickness | Price | Adhesive |
|---|
Pricing shown is preliminary for design review. Thicker material corresponds to lower frequency bands; some bands overlap and differ in absorption depth. Volume pricing available by quote. Refer to individual Technical Data Sheets for configuration-specific electrical performance. Custom frequency tuning available on request.
Not Sure Which Band? Start With the Cavity.
Cavity resonance problems are defined by the geometry of the enclosure, not just the operating frequency of the electronics inside it. If you’re between bands — or working a custom cavity — MAST Technologies’ engineering team will characterize the resonant modes and identify the right MR21 configuration, or a custom tune, for your application.
