日韩中文字幕av_伊人影视_亚洲一级毛片_福利电影在线_国产精品免费观看_色视频在线观看

Welcome to the official website of Legret Metal Company
Focus on electronic welding for 20 yearsDONGGUAN LEGRET METAL.,LTD
National consultation hotline:135-2799-2739
Contact US
mobile phone: 135-2799-2739
Service hotline: 0769-38893080
Email: lzd@dglzd.com
Address: Dongguan lvzhidao Metal Co., Ltd
Contact person: Manager Zeng
Solder bar

Solder bar Sn40Pb60

Product parameters

☆ good fluidity and wettability< br> ☆ excellent antioxidant, less tin slag< br> ☆ appropriate additives to change the crystalline junction of solder joint Structure, reduce internal stress and resist whisker growth< br> ☆ excellent welding performance, few pull points and bridging;

Scope of application

This product is applicable to the tin spraying operation system on the surface of PCB, and is widely applicable to the wave soldering operation of automatic lead-free soldering furnace.

Lvzhidao brand tin bar adopts high-purity metal raw materials, and effectively controls the content of metal oxides and non-metallic impurities under strict quality control. The produced tin bar has uniform and smooth surface, high purity, fast melting, good fluidity, excellent wetting performance, full and bright solder joints and few oxide slag. It is suitable for all kinds of wave soldering and manual soldering with high quality requirements. Our company continuously develops and can provide a variety of alloy proportions and types of lead-free tin bars for you to choose from.

主站蜘蛛池模板: 欧美特级黄色 | 午夜天堂 | 在线观看亚洲一区二区 | 久久亚洲一区二区三 | 免费三级网站 | 黄色免费网址大全 | 九九99九九精彩46 | 欧美性受xxxx白人性爽 | 色婷婷综合久久久中字幕精品久久 | 情侣酒店偷拍一区二区在线播放 | 在线播放一区二区三区 | 国产一二三视频在线观看 | 精品九九九 | 精品一区二区在线观看 | av网站免费 | 欧美国产在线一区 | 黄色片在线看 | 四虎在线视频 | 精品在线观看一区二区 | 欧美日韩在线视频一区二区 | 天天操天天摸天天爽 | 欧美久久一级特黄毛片 | 成人黄色av网址 | 国产精品成av人在线视午夜片 | 欧美成人精品激情在线观看 | 中文在线视频 | 日日夜夜操天天干 | 久久高清精品 | 狠狠操狠狠干 | 久久久久国产精品 | 91原创视频在线观看 | 久久久99国产精品免费 | 亚洲三级av| 成人亚洲一区 | 欧美久久视频 | 男人天堂av网站 | 久久久91| 久久久久久久一区二区 | xx性欧美肥妇精品久久久久久 | 日本成人二区 | 精品伊人 |