Type UR Conformal Coating Examples

Posted by Sean Horn on Fri, Sep 7, 2012

Type UR (urethane resin) conformal coatings are a popular choice for conformal coating projects because of their resistance to chemical solvents, hardness, and moisture protection. There are many different varieties of type UR conformal coatings such as: HumiSeal 1A33 HumiSeal 1A20 Humiseal 1A27 Humiseal 2A64 HumiSeal 1A34 Hysol PC18M CONATHANE CE-1155-35 CONAP CE-1170 CONATHANE CE-1164 […]

Will HumiSeal 1B31 mitigate tin whiskers?

Posted by Sean Horn on Tue, Sep 4, 2012

Tin whiskers are electrically conductive, crystalline structures of tin that sometimes grow from surfaces where tin (especially electroplated tin) is used as a final finish.  They typically grow from lengths of 1-2 millimeters (mm) but have been observed to lengths in excess of 10 mm.  They are a serious issue in the electronics world because they […]

Why use a conformal coating drying cabinet?

Posted by Sean Horn on Mon, Aug 27, 2012

There are a lot of different pieces of conformal coating equipment.  Each one of them has their own unique purpose and drying cabinets are no different.  The three main uses of drying cabinets are to extract air from around the assemblies, hold the assembly still during curing, and to protect the card from damage.