2-031 AS568 Oring Cad 2-031 AS568 Oring
2-031 AS568
AS568-031 Silicone 70 Duro Red FDA O-Ring for 1-3/4 ID X 1/16 CS

Silicone O-Rings 70 Duro Red FDA S700301-031

$ 0.26 per Each
Minimum Order Quantity (MOQ): 116
Ships within 7 days
Qty Price
116 - 134 $0.2600
135 - 288 $0.1950
289 - 576 $0.1560
577 - 1153 $0.1170
1154 - 2307 $0.0910
2308+ $0.0780

Ordering in large quantities? Ask for a lead time quote — we'll get back to you with pricing and lead time.

Product Details
Material Silicone
Temperature Range -75°F to 450°F
Cross Sectional Shape Round
Hardness 70
Dash 031
Fractional
  • ID: 1-3/4
  • CS: 1/16
  • OD: 1-7/8
Actual (Inch)
  • ID: 1.739 ± 0.015
  • CS: 0.070 ± 0.003
  • OD: 1.879
Actual (Metric)
  • ID: 44.17 ± 0.38
  • CS: 1.78 ± 0.08
  • OD: 47.730

Silicone O-rings are made from a synthetic elastomer composed of silicon, oxygen, hydrogen, and carbon. They are widely used for their excellent flexibility, high-temperature resistance, and exceptional aging properties. Silicone O-rings offer great thermal stability, low toxicity, and resistance to weathering, ozone, and UV exposure, making them ideal for medical, automotive, and food-grade applications. Many silicone compounds are **FDA-compliant**, making them suitable for food and pharmaceutical uses.

Silicone Recommended Uses

Medical and pharmaceutical applications, food and beverage processing, automotive components, aerospace industries, high-temperature sealing applications, and electrical insulation.

Silicone Not Recommended

Petroleum-based oils, fuels, concentrated acids, alkalis, ketones, and steam under high pressure.

Silicone Limitations

  • Not resistant to petroleum-based fluids and fuels.
  • Lower mechanical strength compared to other elastomers.
  • Not ideal for applications requiring high tear and abrasion resistance.
  • Can swell or degrade when exposed to certain chemicals and oils.
Silicone Usable Temperature Range

-85 to 450°F (-65 to 232°C)

Silicone Also Known As

Silicone Rubber, VMQ (Vinyl Methyl Silicone), Polysiloxane.