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: [email protected]
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: 玖玖玖精品视频免费播放 | 一级毛片免费观看不卡的 | 成年性网站 | 高清在线一区二区三区亚洲综合 | 亚洲黄色片一级 | 免费人成又黄又爽的视频强 | 亚洲精品一级一区二区三区 | 国产一二视频 | 首页国产 | 免费人成视网站在线不卡 | 久久久久免费视频 | a一级一色一情 | 国产大战女模特在线视频 | 国产啪精品视频网免费 | 黄色一及毛片 | 国产免费一区二区三区 | 日本v片免费一区二区三区 日本wwwwwxxxxx | 亚洲免费影视 | 经典香港a毛片免费观看 | 在线观看一区二区精品视频 | 免费观看性欧美一级 | 国产亚洲视频在线观看 | 高清成年美女xx免费网站黄 | 免费看黄网址 | 久久精品无码一区二区三区 | 午夜性刺激在线观看视频 | 国产视频福利 | 久久18| 国产手机在线国内精品 | www.av在线免费观看 | xxxporn日本护士24 | 久久久久久久久免费视频 | 午夜一级毛片 | 91香蕉在线视频 | 午夜精品同性女女 | 国产黄网在线 | a级免费观看 | 久996视频精品免费观看 | 国产伦一区二区三区四区久久 | 精品国产91久久久久 | 日本黄色一区 |