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: 视频三区精品中文字幕 | 男人与女人真正曰批视频 | 成人性爽大片免费看 | 欧美日韩国产高清 | 久久青草国产手机看片福利盒子 | 久久99精品国产免费观看 | 台湾佬自偷自拍情侣在线 | 久久毛片免费看一区二区三区 | 天天干夜夜怕 | 欧美日韩aa一级视频 | 青青观看视频免费视频 | 婷婷丁香在线 | 亚洲黄页网站 | 国内9l视频自拍 | 欧美日韩在线播放 | 久久久久免费精品国产小说 | 夜夜艹图 | 91精品国产欧美一区二区 | 美国人妖欧美性xxxxk妖 | 曰本三级香港三级人妇99视频 | 韩国三级毛片 | 国产浮力影院在线地址 | 手机看片国产福利 | 成人国产网站 | 蜜桃福利视频在线视频观看 | 视频二区国产 | 色琪琪久久草在线视频 | 人人骚| 亚洲欧美综合人成野草 | 久久综合综合久久 | 亚洲二区视频 | 最近最新手机中文字幕在线看 | 99热久久这里只有精品9 | 一级毛片免费不卡在线 | 亚洲久久视频 | 亚洲全网成人资源在线观看 | 欧美一区二区不卡视频 | 免费逼片| 舌头伸进去添的我好爽视频 | 日日摸天天摸狠狠摸视频 | 四虎影院永久网址 |