又湿又紧又大又爽a视频国产,国产aⅴ激情无码久久久无码,美女扒开大腿让男人桶,天天做天天爱夜夜爽毛片

產(chǎn)品資料
臺(tái)灣產(chǎn)千住錫膏
產(chǎn)品型號(hào):M705-S101HF-S4
產(chǎn)品品牌:千住金屬
13543272580
點(diǎn)擊詢價(jià)
詳細(xì)介紹
臺(tái)灣產(chǎn)千住錫膏

臺(tái)灣產(chǎn)千住錫膏 ECO SOLDER PASTE M705-S101HF-S4
1.Scope
This specification covers the solder paste,
ECO SOLDER PASTE M705-S101-S4, using lead-free solder alloy, used for
wiring connection and so on, of electrical and electronic parts.
2.Standard
.1Chemical composition of solder alloyTest methodSTM-9
Composition and impurities are prescribed as following tables
Composition ( mass% )
3.0 ± 0.1
0.50 ± 0.05
Balance
2.2Performance and standard
Items
Performance                 Standard
Test Method
Appearance
It shall not have separated flux,and shall be in a smooth pastestate.
STM-1
 
Flux content (mass%)
11.5 ± 1.0
STM-5
Viscosity of solderpaste (Pa s)
190 ± 30
STM-7-8
Grain size of powder
um
36 25
STM-12-4
Copper plate corrosion test
Shall be passed
STM-28-1
Insulation resistance
Ordinary state 1 × 10 or more After humidifying 1 × 10 or more
STM-30-8
Solution resistance
100 or more
STM-32
Reflow property
No unmelted solder nor black product shall be permissibl
STM-34
 

粵公網(wǎng)安備 44030602001479號(hào)

最美情侣韩国片免费观看| 岳的大肥屁熟妇五十路99| 成人性生交大片免费看r| 人妻少妇一区二区三区| 人人妻人人澡人人爽人人精品浪潮| 欧美乱大交xxxxx疯狂俱乐部 | 好爽…又高潮了毛片免费看| 强制被绑震动器高潮大叫| 人妻换人妻a片爽麻豆| 人人妻人人澡人人爽欧美一区九九| 性欧美大战久久久久久久| 少妇被躁爽到高潮无码文| 青娱乐极品视觉盛宴av| 在线天堂中文在线资源网| 免费sm羞辱调教视频网站| 强制被绑震动器高潮大叫| 少妇久久久久久久久久| 亚洲一区 日韩精品 中文字幕| 精品无码国产一区二区三区51安| 少妇连续高潮抽搐| 国产精品186在线观看在线播放| 亚洲国产精品无码| 天堂网在线.www天堂在线资源| 宝贝把腿开大让我添添小说| 把极品白丝班长啪到腿软 | 全彩调教本子h里番全彩无码| yw尤物av无码国产在线观看| 99久久久无码国产精品性| 国产精品理论片在线观看| 综合网日日天干夜夜久久| 与亲女洗澡时伦了视频| 孕妇滴着奶水做着爱a| 艳妇乳肉豪妇荡乳| 无码中文av有码中文a| 国产精品揄拍100视频 | 国产成人精品a视频一区| 黃色a片三級三級三級| zzijzzij亚洲日本少妇jizjiz | 国产成人无码一区二区三区在线 | 朋友出差人妻半推半就滑进| 天天做天天爱夜夜爽|