How to test bag sealing tape by hand ?
How to test bag sealing tape by hand ?
You have to test bag sealing tape ,and have the correct comments before you decide to use it .Following is the correct procedure to test :
Resealable bag sealing tape
- Make sure the bag which you are going to stick is right .
Pe resealable sealing tape which is usually used for PP plastic bag seal
PP resealable sealing tape which is usually used for PE plastic bag seal
- Make the seal is clean , no dirty
- Stick bag sealing tape on the seal
- Tear the siliconed release liner , close the bag .When you tear the liner from the middle , The glue should be stayed on the bag seal very well , if come out , the siliconed coating is bad .
- Open-close ,Re-open and Re-close several time ,usually at least 10 times .
- Check the bag , is there any water based glue left on the bag ?If any left ,it is not very good.
- If the bag is used in low temperature , please tell the bag sealing tape supplier , we will adjust the stickness , and you can test it on low temperature .
Permanent Sealing Tape
When you choose the sample, please remember choose the right one for your carrier bag .
Usually we have 3sizes of permanent carrier bag sealing tape .
12hc for minus thickness 35mic
15hc for between thickness 35-60mic
18hc for above 60mic .
These are the referrences based on the corona treatment pure hdpe plastic .
1)Check the whole roll ,very plat , no shrinking and no gap for the shape
2)Pull some section to stick on the clean bag seal .
3)make a sideling cut at two edges of bag with tape and bag together .
4)After 5mins ,let the oil glue stick well on the bag seal .
5)Tear the PAPE liner , stick the hot melt side on the another bag side .
6)close the bag , after 3mins , open the bag . The bag should be totally destroyed by the stonge power .
If you have enough time , before batch place , you may buy 1-2boxes for a small trial , it will be the best .
Finally congratualtion , you got what you want .