h o w t o s p e c i f y a 3m ? s t a t i c s h i e l d i n g o r m o i s t u r e b a r r i e r b a g page 1 to specify a bag, you need to choose: bag type bag size markings bag features b a g t y p e b a g s i z e bag types are based on the intended function of the bag and the material the bag is made from. choose the bag for your application: bag name static shielding bag, metal-in 3m 1000 static shielding bag, metal-in ziptop 3m 1000 ziptop static shielding bag, metal-out 3m 1500 static shielding bag, metal-out ziptop 3m 1500 ziptop moisture barrier bag, aluminized, 3.6 mil dri-shield 2000 moisture barrier bag, aluminized, 3.6 mil, metal-out dri-shield 2500 moisture barrier bag, aluminized, 7.0 mil dri-shield 2700 moisture barrier bag, foil, 6 mil dri-shield 3000 moisture barrier bag, foil, 4 mil dri-shield 3400 determining size: calculate the approximate size using the instructions below. select the nearest standard sized bag from the lists on the data sheets. request a sample of the bag. test the fit the item in the bag. measuring a bag width is measured from inside seam to inside seam. length is measured from the top edge to the bottom fold. opening is in the width dimension. shielding bag size approximation: bag width = item height + item width + 1 inch bag length = item height + item length + 1.5 inches barrier bag size approximation: bag width = item height + item width + 1 inch bag length = item height + item length + 2.5 inches the length of barrier bags may be extended further to allow for multiple vacuum sealing cycles. call your distributor or 3m customer care representative for assistance with specifying a bag, or for stock levels and lead times. open top ziptop o p e n i n g s e a l f o l d l e n g t h w i d t h s e a m w i d t h o p e n i n g s e a l f o l d z ip t o p l e n g t h w i d t h s e a m w i d t h 1
h o w t o s p e c i f y a 3m ? s t a t i c s h i e l d i n g o r m o i s t u r e b a r r i e r b a g page 2 b a g m a r k i n g s 3m uses hot stamping to mark stock bags with the appropriate industry standard esd or moisture warning and a lot number for traceability. custom hot stamping and bag printing are also available. 3m can also pre-apply labels to bags. hot stamping a packaging industry method for marking bags by thermo-mechanical transfer of pigment to the bag. printing a method of printing ink to bags using a press plate. produces high - er quality marking that hot stamping. labeling pre-applies a label to the bag. saves you labor time and provides consistent label location. b a g f e a t u r e s 3m can provide bags with these features to simplify your packing process. ziptop a recloseable bag simplifies access to parts. tear notch if you heat seal the bag closed, a tear notch makes it easy for your customer to open it. extended lip an over sized lip at the opening improves part insertion, and is easy to close with a label. compartment bag a bag with 2 or more separate compartments allows paperwork to travel safely with parts. or allows multiple parts and part kits to be shipped together. bottom sealed bags a heat seal across the bag fold is helpful with locating the bag in some automated packaging equipment.
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