New SMT Equipment: 20ppm (10)

Succinic anhydride

Succinic anhydride

New Equipment | Materials

Succinic anhydride Cas : 108-30-5 Appearance: White flake Purity: 99%min        Heavy metal: 20ppm max Melting point: 118-120℃

Cangzhou Goldlion Chemicals Co.,Ltd



New Equipment | Materials

Lafutidine Cas No: 118288-08-7 Appearance  White to almost white powder   Total impurities:not more than 1.0% Maximum single impurity: not more than 0.5%      Loss on drying: Not more than 1.0%       Residue on lgnition:    Not more than 0.1%  

Cangzhou Goldlion Chemicals Co.,Ltd

Electronics Forum: 20ppm (11)

material with thermal coeffecient 16 ppm/C

Electronics Forum | Mon May 10 16:51:32 EDT 1999 | Ruby Zheng

| Can anyone tell me what the recommended material for molding with thermal expension coeffecient around 20ppm and transparent for lightwave 850nm. Thanks |

AOI false fail PPM

Electronics Forum | Fri Aug 08 13:21:14 EDT 2008 | RobP

With AOI it really depends on what you are testing. Not only what criteria, but what different types of components. We run a high volume low mix application for automotive checking for presense, positional accuracy, and all solder joints. We curre

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