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Silicone O-Rings | AS568-438 | Dash 438 | FDA Compliant | 70 Durometer | Red (12 / Pkg.)

Silicone O-Rings | AS568-438 | Dash 438 | FDA Compliant | 70 Durometer | Red - Main image
$38.79 $51.72 In stock

Silicone o-rings in AS568-438. Service range -80°F to +450°F (-62°C to +232°C). Also known as VMQ, Silastic.

Specifications

  • Product type: O-Ring
  • Material: Silicone
  • AS568 dash size: 438
  • Durometer: 70 Shore A
  • Color: Red
  • Temperature range: -80°F to +450°F (-62°C to +232°C)
  • Measurement type: Imperial
  • Compliance: FDA 21 CFR 177.2600
  • Pack quantity: 12 per package
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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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Delivery costs

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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Returning an item

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.8 / 5 · 5 reviews)

Sophia T. ★★★★★

Needed a reliable seal for a home brewing setup that sees constant heat cycling, and these 70-durometer silicone rings haven't softened or cracked after months of use. The red color makes them easy to spot during cleaning, which is a nice bonus.

Joseph K. ★★★★★

I run these o-rings in a high-vacuum chamber that cycles between -60°F and 400°F, and they’ve held their seal perfectly for three months now. The red color makes them easy to spot during maintenance, and the 70 durometer feels just right—not too stiff, not too soft. For the price of a pack, they’re

Jason D. ★★★★★

I’ve been using these red silicone o-rings in a high-heat application that regularly hits around 400°F, and they’ve held their shape perfectly without any hardening or cracking. The -80°F to +450°F range is spot on for what I needed, and the 70 durometer gives them a nice, firm seal without being br