How To Seal Mylar Bags With Hair Straightener. Keep the bag flat and eliminate any foreign particles for the best seal. You can seal the mylar bags by using a cloth iron or a hair straightener on a high setting if you do not have a hot jaw sealer.
The top end of the temperature range for sealing was 200 celsius. These lids conveniently screw on and off and are. Personally, i made the experience that i can get the best results when i set the temperature between 190 and 200 degrees celsius.
It is much less cumbersome then using an iron.
A second pair of hands is always useful, but i've done it solo,as well. Not too slow or too many times, the. A hair straightener is my favorite method of sealing mylar. Some will even simply line a 5 gallon bucket with mylar, place an oxygen absorber in then seal it with a lid.