天天干夜夜撸-天天干夜夜怕-天天干夜夜骑-天天干夜夜爽-天天干夜夜爽天天操夜夜爽视频-天天干夜夜添

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 Sn55Pb45

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: 亚洲国产日韩在线人高清 | 男人边吃奶摸下边免费视频 | 久久99热精品免费观看无卡顿 | a级精品九九九大片免费看 a级毛毛片看久久 | 日韩 欧美 亚洲 国产 | 久久―日本道色综合久久 | av香港经典三级级 在线 | 狠狠干人人干 | 日韩亚洲精品不卡在线 | 高清日本在线成人免费视频 | 亚洲三级一区 | 国产精品久久久久久久久久直 | 日本视频不卡 | 国产女人视频免费观看 | 日本亚洲黄色片 | 久草免费在线色站 | 国产亚洲精品久久久久久久久激情 | 亚洲国产在| 日韩在线视频精品 | 热99在线 | 国产2021成人精品 | 日本高清视频在线www色 | 欧美在线一区二区三区不卡 | 日韩视频免费一区二区三区 | 综合在线视频精品专区 | 天天干人人干 | 亚洲综合中文网 | 97精品国产自在现线免费观看 | 蜜桃97爱成人 | 欧美成人在线视频 | 欧美性第一页 | 人人揉揉香蕉大青草 | 国产高清在线观看视频 | 久久成人性色生活片 | www.97色| 久久久久久福利 | 久久综合综合 | 大片在线播放日本一级毛片 | 精品人人做人人爽久久久 | 四虎影院永久网址 | 五月天六月丁香 |