Ge energy connections component shelf life storage condition requirements for electronic suppliers uncontrolled when printed ge proprietary.
Component floor life.
A long pot life or even worse an unlimited pot life is a sure sign of an inferior floor epoxy.
Look at the pot life which is the time you have to work with once the epoxy is mixed.
The msl is an electronic standard for the time period in which a moisture sensitive device can be exposed to ambient room conditions 30 c 85 rh at level 1.
4 0 component floor life moisture sensitive components floor life shall follow j std 033b for floor life classification and reflow bake procedures.
The customer need only be aware of msl 3 devices in regards to floor life.
Internal plated contacts becoming tarnished or lubricant for moving parts drying out.
10 boma painted walls have a life span of 5 years while internachi lists interior paint as having a life span of 10 15 years.
Good epoxy flooring will have less than an hour pot life at 70 degrees.
At the end of its useful life it is expected to be obsolescent.
If we total all the times we opened the bag it may exceeds 168 hours.
What does pot life mean when using an epoxy floor coating.
The moisture sensitivity level msl indicates the floor life of the component its storage conditions and handling precautions after the original container has been opened.
The permissible time from opening the moisture barrier bag until the final soldering process that a component can remain outside the moisture barrier bag is a measure of.
Floor life the allowable time period between removal of moisture sensitive devices from a moisture barrier bag dry storage or dry bake and the solder reflow process.
Increasingly semiconductors have been manufactured in smaller sizes.
Floor life of msd parts we run small jobs so a reel of msd components could be opened and closed a number of times.
It is based on the idea that every asset has a useful life a period of time over which it remains useful and productive.
Each time we put a new desiccant pack and new humidity indicator card in the msd bag and seal it.
Component shelf life is really an oem specification and i would expect the oem to determine shelf life based on a couple items one a specific characteristic of the component that derogates over time.
30 c 60 rh at all other levels.
Depreciation is a business tax deduction regulated by the internal revenue service irs.
For office buildings refer to boma.