免费国产在线一区二区,亚洲国产成人av国产自,国产精品久久久久久久影院,av在线播放日韩亚洲欧我不卡

Welcome to the official website of Legret Metal Company
Focus on electronic welding for 20 yearsDONGGUAN LEGRET METAL.,LTD
National consultation hotline:+86 135-2799-2739
Contact US
mobile phone: 135-2799-2739
Service hotline: 0769-38893080
Email: anson@dglzd.com
Address: Dongguan lvzhidao Metal Co., Ltd
Contact person: Manager Zeng
Lead-free Solder bar

Solder bar Sn42Bi58

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.

亚洲情A成黄在线观看动漫尤物| 欧美午夜久久| 国产干逼视频| 亚洲成色精品一二三区| 高清精品久久国产免费| 亚洲精品TV久久久久久久久J| 国产美女精品视频线免费播放| 99精品热播| 欧美日逼网站| 免费人成网站视频在线观看 | 久久亚洲AV成人电影| 国产精华7777777| 牲欲强的熟妇农村老妇女| 日韩色图区| 好男人在线社区www| 高清无码 国产一区| 在线欧美a| 久久九色综合九色99伊人| 在线欧美 日韩 人妻 高清 中文| 国内精品久久久久影院优| 男人天堂2024在线视频| 无码精品人妻一区二区湖北九色| 亚洲人成人一区二区三区| 国产伦精品一区二区三区视频h| 美女少妇毛茸茸系列| 国产成人啪精品视频免费网| 无码人妻斩一区二区三区| 99玖玖在线视频| 人妻无码av中文系列久| 免费天堂中文字幕| 免费A级一男一女牲交| 亚洲乱码日产精品一二三| 国产在线观看免费视频软件 | 色欲AⅤ精品无码一区二区pro | 无码人妻一区二区三区免费视频 | 久久久久久久极品欧美| 日韩精品人妻一区二区免费影院| 国产成人亚洲综合无码品善网| 人妻少妇无码中文字幕电影| 国产精品高潮呻吟久久八v无厂办| 欧洲性久久精品|