亚洲成人久久一区_中文字幕日韩欧美_欧美视频裸体精品_国产成人亚洲综合色影视

Tungsten Electrode>>

Barium Tungsten Electrode Attention

barium tungsten electrode barium tungsten electrode wolfram electrode

Barium Tungsten Electrode Attention:

1. It can not be wet or long-term exposure to the atmosphere, it is better to deposited in a vacuum state.
2. Electrode should not be direct contacted with the skin surface.
3. Electrode is light and fragile, it should be handled gently.
4. If there is oxidation of electrode surface because improper storage, operators can burn hydrogen treatment to remove surface dark spots, and then continue to use.
5. If theend of the emission electrode appear cracks, stop using it.

Barium Tungsten Electrode Attention for Storage:

In order to ensure the effectiveness of barium tungsten electrode would not be destroyed, it cannot be exposed to the atmosphere exceed 48h before using. It needs to be prevented from contacting with the water, dust and other contaminants. In order to ensure excellent performance, it can can be stored ≤0.1Pa, or stored in a dry inert gas (dry nitrogen or argon). If the electrode absorp too much moisture, during follow up heating process, the surface of the product would have spots, this situation would reduce the heating rate.
All operations for the electrodes should be very clean, dry environment, oil or other contaminants of fingers can affect the performance of electrode.

If there is any interest in tungsten electrode, please feel free to contact us through the following methods.
Email: sales@chinatungsten.com
Tel.: +86 592 512 9696/+86 592 512 9595

More info>>

1.How to Order Tungsten Electrode

主站蜘蛛池模板: 91久久久精品| 久久久久五月天| 欧美精品自拍视频| 日本婷婷久久久久久久久一区二区| 不卡av电影在线观看| 青春草国产视频| 91精品视频免费观看| 久久9精品区-无套内射无码| 亚洲二区自拍| 久久久成人的性感天堂| 亚洲国产精品久久久久婷婷老年| 激情五月综合色婷婷一区二区| 亚洲国产精品综合| 国产福利久久精品| 精品国产一区二区三区久久久狼| 日韩亚洲在线视频| 国产成一区二区| 国产欧美中文字幕| 久久国产精品亚洲| 欧洲视频一区二区三区| 不卡av电影在线观看| 国产一级片91| 欧美区高清在线| 日韩中文视频免费在线观看| 国产日韩欧美影视| 欧美日韩999| 日日噜噜噜夜夜爽亚洲精品| 国产成人免费av| 国产精品丝袜一区二区三区| 久久亚洲成人精品| 欧日韩一区二区三区| 亚洲a中文字幕| www.久久草| www.久久草| 超碰国产精品久久国产精品99| 久久99亚洲热视| 久久久久久美女| 欧美精品在线一区| 欧美专区中文字幕| 午夜精品在线视频| 中文精品无码中文字幕无码专区|