一区日韩,中文字幕 亚洲有码,亚洲一区二区中文字幕,中文字幕巨乱亚洲

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 Sn40Pb60

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.

伊人久久大香线蕉综合75| 97综合| 狠狠v欧美v日韩v亚洲ⅴ| 欧美精品中文字幕亚洲专区| 欧美一级在线| www.国产精品.com| 免费aⅴ| 国产精品网站在线观看免费传媒| 色呦呦在线播放| 玖玖| 久久精品国产亚洲av香蕉| 毛片久久久久久久久久久| 国产精品水嫩水嫩| 久久精品国产亚洲精品166m| 亚洲国产另类久久久| 国产熟女视频| 91系列国产专区| 在线免费av电影| 亚洲狠狠欧美| 精品色少妇20p粉嫩少妇| 国产户外在线观看| 国产 精品 无码 怀孕| 亚洲色图欧美激情| 欧美香蕉狼人| 午夜A∨无码| 亚洲欧美精品综合| 色222欧美日韩| 色哟哟精品入口| 亚洲av 午夜福利精品久久久| 久久婷婷视频| 姝姝窝人体www聚色窝| 久久不色| 人妻少妇美腿日韩| 亚洲国产女久久九九免费| 伊人伊人鲁| 亚洲女人初尝黑人巨大| 亚洲真实熟女乱伦| 殴美黄片| 饥渴熟女91| 校园春色校园综合网二区| 久久精产品|