The packaging will determine whether you can immediately use the electrode. If it is a hermetically sealed (also called vacuum sealed), you can use straight from the packaging. If it is a non-sealed package than you must bake the electrode the same as a non-R designated electrode.
The Lincoln Electric Company (Asia Pacific) Pte. Ltd.
M +65 9641-2821
Sent from my BlackBerry wireless device
----- Original Message -----
From: Srinivas Engr [srinivas.gmsrini@gmail.com]
Sent: 04/06/2010 07:02 PM MST
To: "Materials & Welding" <materials-welding@googlegroups.com>
Subject: [MW:4726] Oven backing on E7018R
Dear All, May I know oven backing is need for E7018R(Moisture
resistant electrode)????, I am well with 7018 Backing, But whats with
E7018R????
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