欧美另类人妖-欧美乱xxxxxxxxx-欧美乱大交xxxxx潮喷-欧美乱大交xxxxx疯狂俱乐部-欧美乱妇15p-欧美乱妇高清无乱码

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.

主站蜘蛛池模板: 欧美一区精品| 国产一二三区在线观看| 污污视频在线播放| 清朝荒淫牲艳史在线播放| 国产999星空传媒在线观看| 香蕉蕉亚亚洲aav综合| 日产精品卡二卡三卡四卡乱码视频| 国片一级 免费看| 伊人久久大香线蕉综合高清| 唐人社电亚洲一区二区三区| 欧美亚洲天堂网| 国产片一级特黄aa的大片| 一本久道久久综合婷婷| 天天热| 日本激情网站| 都市禁忌猎艳风流美妇| 亚洲美女视频一区| 日本一区二区精品88| 黄网站在线观看视频| 又粗又长又爽又长黄免费视频| 无需付费免费mv网站| 日韩午夜片| 欧美色综合网站| 国产精品福利一区二区亚瑟| 一本到卡二卡三卡免费高| 天天碰天天| 日韩三级免费看| 欧美全免费aaaaaa特黄在线| 国产精品丝袜xxxxxxx| 永久免费看的啪啪网站| 午夜综合网| 四虎精品福利视频精品| 日本成人高清视频| 免费观看成人毛片| 国产精品九九热| 宅男噜噜噜66网站久久| 亚洲成年网| 天天欧美| 日日夜夜天天干干| 欧美黄色一级网站| 黄色三级视频在线观看|