欧美另类人妖-欧美乱xxxxxxxxx-欧美乱大交xxxxx潮喷-欧美乱大交xxxxx疯狂俱乐部-欧美乱妇15p-欧美乱妇高清无乱码

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: 亚洲玖玖| 国产福利午夜| 欧美中文字幕在线视频| 午夜视频在线观看免费观看在线观看| 国产狂喷冒白浆免费视频| 日日摸日日碰| 中国女人特级毛片| 日本 欧美 在线| 亚洲一区二区三区影院 | 午夜神马嘿嘿| 久久精品大全| 我要看黄色一级毛片| 国产一区二区三区欧美精品 | 色宅男午夜电影在线观看| 5252色欧美在线激情| 日韩成人影片| 在线亚洲自拍| 日本一区二区三区免费在线观看| 一级一级 a爱片免费视频| 69日本xxxxxxxxx内谢| 日本亚洲精品成人| 2019天天爱天天做| 日韩一区二区三区四区不卡| 51精品国产| 色老头久久久久| 国产aa| 天天操91| 丁香六月欧美| 日本午夜色| 中文字幕日本一区波多野不卡| 日本欧美一区二区三区| 中文字幕不卡在线播放| 日韩欧美网| 成人午夜大片免费7777| 特级淫片欧美高清视频蜜桃| 97色在线视频| 日本无卡码一区二区三区| 在线污污视污免费| 日日噜噜爽爽狠狠视频| 国产精品美女www爽爽爽视频| 婷婷激情五月|