Mutual Screw & Supply

矽膠O型環 | AS568-438 | Dash 438 | 符合FDA規範 | 70硬度 | 紅色 (12個/包)

矽膠O型環 | AS568-438 | Dash 438 | 符合FDA規範 | 70硬度 | 紅色 (12個/包) - Main image
$38.79 $51.72 In stock

AS568-438 矽膠O型環。使用溫度範圍 -80°F 至 +450°F(-62°C 至 +232°C)。也稱為 VMQ、Silastic。

規格參數

  • 產品類型: O型環
  • 材質: 矽膠
  • AS568 徑向尺寸: 438
  • 硬度: 70 Shore A
  • 顏色: 紅色
  • 溫度範圍: -80°F 至 +450°F(-62°C 至 +232°C)
  • 測量類型: 英制
  • 合規性: FDA 21 CFR 177.2600
  • 包裝數量: 每包 12 個
付款前核對

可用付款方式和最終總額會在結帳頁顯示。

何時寄出

請同時考慮訂單處理和運送所需的時間。

Standard Shipping: 訂單處理(工作天) 0–1; 運送(工作天) 7–15.

Express Shipping: 訂單處理(工作天) 0–1; 運送(工作天) 7–15.

查看詳細說明
需要退款時

詢問退款時,請向店舖提供訂單編號。

退貨前請聯絡客服確認退款處理時限。

查看詳細說明
配送費用

請核對收貨地區與所選配送方式的費用。

Standard Shipping · 美國: US$0.00

Express Shipping · 美國: US$3.99

查看詳細說明
退貨前須知

寄回商品前,請先確認適用的退貨條件。

美國 · 退貨期限(簽收後天數): 30. 退貨方式: 郵寄退貨. 退貨運費: 賣家承擔.

查看詳細說明

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