SBR Rubber Gaskets
SBR (styrene-butadiene rubber) is the synthetic analog of natural rubber and the most economical solid elastomer in our gasket inventory. Cannon Gasket die-cuts custom SBR gaskets for applications where moderate performance is acceptable and unit cost is the driving specification.
- Durometer
- 20A to 90A
- Highlight
- Cost-effective elastomer
Request a quote for SBR gaskets.
Properties of SBR gaskets
Cannon Gasket cuts SBR gaskets to your specifications in durometers ranging from 20A to 90A Shore hardness. Good resistance to water, air, dilute acids and bases, and abrasion.
SBR tolerances and customization
Standard dimensional tolerances on SBR gaskets land around ±0.010" to ±0.015" on OD and ID, depending on material durometer and thickness. Tighter tolerances are available on selected grades. Cannon Gasket cuts SBR to custom profiles in-house and matches lead times to your production volume. PSA backing, pad printing, custom packaging, and kitting are all on the menu when you need them.
How SBR Performs
- Good abrasion resistance, tear strength, and tensile strength. - Moderate resistance to water and dilute acids. - Poor resistance to oils, fuels, ozone, and weather.
Where SBR Gaskets Are Specified
Sealing dry mechanical assemblies, dust covers, vibration pads, and applications where the gasket is not exposed to oil, fuel, ozone, or sunlight. Commonly used in tires, conveyor belt cover stock, and industrial pads, but also a viable budget specification for sealed indoor industrial assemblies.
When to Choose Another Material
For any application with oil, ozone, weather, or sustained temperature, specify Buna-N, EPDM, or Viton. SBR is the right choice only when those exposures are absent and unit cost matters.
Manufacturing Methods
Die-cut and steel-rule-cut. Cost-effective on large or simple gaskets where premium materials are not required.
Standard sizes, tolerances & manufacturing
Precision & tooling: Capable of holding tolerances as tight as ±.001" on critical dimensions when required, beyond the ±0.010" to ±0.015" standard. Short- and long-run capabilities. All parts available with pressure-sensitive adhesive (PSA) on one or two sides.
Clean room: Cannon Gasket offers clean-environment stamping for medical, FDA, electronic, and scientific applications where a controlled level of particulate is required, with capabilities to meet ISO Class 10,000.
Stocking agreements: Blanket orders, VMI (vendor-managed inventory), JIT (just-in-time), and Kanban replenishment programs.
Pad printing: Pad print your part number, identification marking, or company name in a range of ink colors. Marking per customer specifications or MIL-STD-130.
Packaging: Parts are bagged and tagged in specified quantities and labeled with P/N or any required information. Capability to meet specific packaging and labeling requirements.
Standard RMA Thicknesses and Tolerances for Elastomers
| Nominal Thickness | Tolerance |
|---|---|
| 0.015" | ±0.010" |
| 0.031" | ±0.012" |
| 0.062" | ±0.016" |
| 0.093" | ±0.016" |
| 0.125" | ±0.020" |
| 0.187" | ±0.031" |
| 0.250" | ±0.031" |
| 0.375" | ±0.047" |
| 0.500" | ±0.047" |
Standard references shown. Cannon Gasket also cuts custom outside diameters, inside diameters, and thicknesses to your drawing. Send your specifications for a quote.