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 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.

漳州市| 京山县| 铅山县| 清水县| 河北区| 镇坪县| 景洪市| 嘉鱼县| 台安县| 盐源县| 汽车| 惠州市| 平顶山市| 舒兰市| 廉江市| 靖边县| 连山| 湘西| 榆林市| 伊宁县| 富源县| 景谷| 高清| 唐山市| 晋城| 镇宁| 习水县| 西昌市| 阆中市| 郸城县| 济源市| 和林格尔县| 宣汉县| 浦江县| 五家渠市| 东山县| 鲜城| 湖南省| 衡东县| 迁西县| 都江堰市|