colour change mugs problem

[Jackie G]

Hi, I bought a box of black colour change mugs from a well known wholesaler, I emailed them to check that the image would not
be seen when the mug was cold.
I used my normal printing parameters and the mug came out looking great. When it cooled down, I expected the image to dissappear
behind the black. It didn't and the image can be seen, faintly, even when cold.
Is this normal for black colour change mugs ? am I doing something wrong ?
I dont do a great many sublimation items, just a few mugs and mouse mats. it was a customer that asked for the black colour change mug.
I actually emailed the wholesaler before I bought them to check that the image would totally dissappear when cold and was told yes.
So, are there mugs that go completely black ? am I doing something wrong ? do I have dodgy black mugs ?
I use an MDP mug press which works brilliantly for my white mugs, and an SG500 printer.
Thank you

[socialgiraffe]

Unfortunately the supplier was incorrect to tell you it would dissapear. You will always see a feint image when cold.

[Jackie G]

Thank you socialgiraffe, at least now I know I am not doing anything wrong.
I guess as long as I make my customers aware of that fact, I can sell them. I havn't had them up for sale in case it was wrong.

[Orangeoctopus]

These are available in gloss black and matt black, go for the matt black finish as they hide the image when cold much better ( completely for me )

[Jackie G]

These are available in gloss black and matt black, go for the matt black finish as they hide the image when cold much better ( completely for me )

Thank you Orangeoctopus, I dont see any mugs though ? do you have a link or can you telle me where to get them please ?
Jackie

[Orangeoctopus]

Subliblanks have stock.

https://subliblanks.com/products/11oz-c ... e28f&_ss=r

[Jackie G]

Thank you Orangeoctopus, I will get some ordered next week. This is very much appreciated