亚洲国产成人av网站-综合色就爱涩涩涩综合婷婷-全部露出来毛走秀福利视频-丰满人妻一区二区三区视频

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.

主站蜘蛛池模板: 色综合久久蜜芽国产精品| 男人的天堂aⅴ在线| 国产肉丝袜视频在线观看| 四虎国产精品永久在线无码| 国产精品99久久久久久宅男| 久久久亚洲欧洲日产国码是av| 日日噜噜夜夜狠狠va视频| 亚洲熟女www一区二区三区| 亚洲精品欧美二区三区中文字幕 | 久久精品成人一区二区三区| 加勒比无码一区二区三区| 制服丝袜美腿一区二区| 公与秀婷厨房猛烈进出视频| 色猫咪av在线网址| 亚洲日韩精品欧美一区二区一| 日本xxxx色视频在线播放| 永久免费观看美女裸体的网站| 人妻美妇疯狂迎合| 亚洲区小说区图片区qvod| 国产青草视频在线观看| 冲田杏梨av一区二区三区| 制服丝袜一区二区三区| 中国农村熟妇性视频| 永久免费不卡在线观看黄网站| 欧美三级在线播放| 大地资源网更新免费播放视频| 三级4级全黄60分钟| 亚洲中文无码av在线| 无码孕妇孕交在线观看| 99精品国产丝袜在线拍国语| 黄色a级国产免费大片| 99久久免费国产精精品| 999精品色在线播放| 五十丰满熟妇性旺盛| 亚洲美国产亚洲av| 国产三级在线观看免费| 曰韩无码二三区中文字幕| 国产免国产免费| 国内午夜国产精品小视频| 永久免费看啪啪网址入口| 囯产精品一品二区三区|