男女吃奶做爰猛烈紧视频,狠干狠狠干靠逼,亚洲理论电影在线观看,亚洲福利在线无码天天看

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.

阿克陶县| 新干县| 中宁县| 甘肃省| 扎赉特旗| 高淳县| 二连浩特市| 翁牛特旗| 左云县| 金堂县| 垦利县| 安康市| 鹰潭市| 兴宁市| 平泉县| 襄樊市| 琼结县| 临朐县| 永福县| 竹北市| 赤城县| 玉山县| 新安县| 临朐县| 封丘县| 来安县| 肃宁县| 泗阳县| 陈巴尔虎旗| 科技| 怀仁县| 秦皇岛市| 奇台县| 江油市| 江都市| 富蕴县| 无棣县| 天祝| 浠水县| 西藏| 虎林市|