在线观看中文字幕av_欧美天堂在线_91久久精品国产91久久_毛片韩国_欧美成人精品一级高清片_亚洲永久在线

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 Sn50Pb50

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: 欧美成人一品道免费视频 | 国产AV亚洲精品久久久久 | 精品欧美成人高清视频在线观看 | 四虎4hutv永久在线影院 | 女人被狂躁视频免费网站 | 国产成人综合在线观看 | 国产精品每日更新 | 一级毛片在线免费观看 | 欧美日韩一区二区三区免费视频 | 亚洲自拍另类 | 欧美日韩在线免费 | 91视频精选 | 国产全肉乱妇杂乱视频 | 久久久国产一区二区三区 | 玖玖成人| 亚洲最大黄色网址 | 99视频在线观看视频一区 | 亚洲亚色| 天天夜夜操 | 午夜精品视频在线 | 九九在线精品视频播放 | 欧美精品一区二区三区免费播放 | 综合久久久久综合 | 久碰人澡人澡人澡人澡91 | 自拍偷拍中文字幕 | 久久人人爽人人爽人人片av不 | 奇米影视亚洲精品一区 | 国产精品第1页 | www.国产精| 日韩三区 | 免费男女视频 | 色九九 | 精品久久洲久久久久护士 | xxxx亚洲 | 亚洲午夜精品久久久久久app | 96精品免费视频大全 | 成年人在线观看 | 欧美精品成人一区二区三区四区 | 欧美国产高清欧美 | 爱爱视频网 | 精品久久中文字幕 |