N70446 is an AS568-446 black Neoprene (Chloroprene) 70 Shore A O-Ring built to an inside diameter of 8.475 in (215.27 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 9.025 in (229.24 mm). In service, this o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.
As a material, Neoprene (Chloroprene) offers a balanced combination of oil and weather resistance, inherent flame-retarding characteristics. The compound resists refrigerants and ammonia, mild acids, and moderate petroleum oil exposure. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. Applications involving strong oxidizing acids or ketones call for a different compound.
You will find this material specified across HVAC and refrigeration, general industrial, and weather sealing and enclosures.
Reference part number N70446 when ordering; the item is sold individually. Unit weight is approximately 37.309 g and nominal inside diameter is listed as 8 1/2 inch. Check the compound against your process media, pressure and temperature before committing to a design. For a size or compound outside the standard catalog, APG can quote from a print or sample.
description -446 BLACK CHLOROPRENE 70D O-RING
uf_description2 0.275" (6.99MM) CS X 8.475" (215.26MM) ID
Actual_CS 0.275 inch (6.99 mm)
Actual_ID 8.475 inch (215.27 mm)
Actual_OD 9.025 inch (229.24 mm)
ProductCode Description O-Rings - Bulk - Commodity