潮喷av网站在线观看-欧美韩国日本一区二区三区-视频一区二区三区不卡-触手亚洲一区二区三区

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
Solder bar

Solder bar Sn45Pb55

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.

国产无码福利一区| 冷色系的发色有哪些颜色| 女生小穴色色视频| 熟妇丰满大阴户熟妇啪啪| 国产精品人妇一区二区三区| 精品少妇一区二区三区中文字幕| 欧美日韩一级视频| 欧美大鸡巴插入骚b| 日本不卡免费一区二区视频 | 一级风流国产片a级| 波多野吉衣吹潮Av| 国产午夜久久精品一区四虎| 黑人大屌大战中国女| 日本免费暖暖在线小视频| 欧美日韩一级视频| 国产激情内射免费精品| 添女人荫道口视频| 操老女人大逼视频| 男生鸡鸡插进女生笑穴里| 91kaobi视频在线| 大几吧插进小穴视频| 猛插女人小穴视频| 快速了解国产一级a爱片| 精品v欧洲高清欧美| 国产亚洲一区二区手机在线观看| av在线国产哟哟| 亚洲国产精品一区亚洲国产| 精品免费在线观看等| 添女人荫道口视频| 美女玩奶子和鸡巴| 波多野结衣浴尿解禁在线| 91大神精品动漫| 国产精品无码av在线一区| 免费黄片视频星空| 老女人爱精大鸡吧草| 白虎嫩穴抠逼高潮| 国产精品三级一区二区| 中文字幕乱码一区二区三区麻豆| 亚洲综合网伊人中文| 中文字幕无码区一区二区| 国产 自拍 欧美 在线|