The shiny side is a clear plastic carrier sheet that holds the heat transfer vinyl in place.
Heat transfer vinyl on mug not sticking.
When too much pressing happens on a design it is almost as if the adhesive gets completely burned off.
Your vinyl is not sticking to your transfer tape.
If easyweed is heat pressed too long or pressed at too high of heat it will not stick to the garment.
Now if you are going to hand wash your mugs you can probably use either adhesive vinyl or heat transfer vinyl and any of the application methods mentioned.
This is the side we want to cut on make sure to always place the shiny side down onto your cutting mat.
Sometimes this can cause issues with heat transfer vinyl sticking.
We don t want to cut on this side.
It is the adhesive side but only sticks with heat.
Your best option is to not pre wash garments.
Htv or heat transfer vinyl is not intended to be used on ceramic glass mugs or any type of substrate other than something that will allow the htv to melt into it.
On the other hand if easyweed is not pressed long enough or at too low of heat it will also not.
Transfer not sticking to the garment.
I will say my favorite application method for the heat transfer vinyl on a mug was the mini iron.
You create a decal but when you go to pick it up with the transfer tape the vinyl refuses to release from the backing paper.
The dull side is the actual vinyl.
This is why you need the heat to apply so typically htv is only going to work with a material.