国产激情一区二区三区-国产激情一区二区三区成人91-国产极品福利视频在线观看-国产极品久久-国产精久久一区二区三区

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
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.

主站蜘蛛池模板: 在线播放国产麻豆| 欧美一区二区在线观看免费网站| 日本亚洲欧美在线| 成人欧美视频在线看免费| 国产日产精品_国产精品毛片| 黄色片xxx| 99国内精品| 国产亚洲欧美日韩在线看片| 日本爽妇网| 亚洲精品午夜在线观看| 一区二区三区免费在线观看| 日韩性生活片| 亚洲国产精品区| 吊操视频| 欧美zzzz| 麻豆国产精品入口免费观看| 伊人蕉久影院| 一级毛片黄| 华人在线视频| 欧美黄色一级| 国产私拍视频| 怡红院免费va男人的天堂| 久久国产精品国产自线拍免费| 91亚洲精品视频| 一国产一级淫片a免费播放口| 日韩精品一区二区三区中文3d | 欧美一区二区在线免费观看| 亚洲女人网| 91社区在线视频| 一区二区三区免费视频观看| 尤物网站在线| 日韩精品一区二区三区 在线观看 日韩精品一区二区三区中文3d | 久久一级| 久久免费视频7| 在线观看黄色网| 国产大陆亚洲精品国产| 国产精品区网红主播在线观看| 特黄色一级毛片| 特黄一级片| 秘书高跟黑色丝袜国产91在线| 黄视频在线免费看|