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 Sn98.5Ag1Cu0.5

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: 激情视频网站在线观看| 国产美女自拍| 国产欧美一区二区三区在线看| 亚洲码在线中文在线观看| 一级做a爰视频免费观看2019| 亚洲大片在线观看| 色综合啪啪| 欧美色爱综合| 国产乱在线观看视频| 特黄十八岁大片| 91免费视| 国产精品久久久久久久久久日本 | 亚洲小younv另类| 一级做a爱 一区| 日本三级黄色片网站| 老妇毛片| 在线成人福利视频| 男女爱爱激情视频在线观看| 欧美黑人换爱交换乱理伦片| 国产精品久久久久久一区二区三区| 黄色网一级片| 91精品国产91久久久久青草| 国产麻豆精品入口在线观看| 久久国产精品视频| 欧美成人香蕉网在线观看| 三级毛片基地| 婷婷激情在线| 亚洲国产影视| 亚洲精品久久青草| 夜夜夜爽bbbb性视频| 最爽的乱淫片免费| 91福利国产在线观看| av18在线播放| www.成人影院| gay片免费网站毛片| 一级毛片免费高清视频| 一级黄色录像放| 一级午夜a毛片免费视频| 一级黄色视| xxxxx18日本hd| jizz大全日本护士喷奶水|