Unfortunately, you are using an out of date browser which is not fully compatible. It may not display this or other websites correctly. You should upgrade or use an alternative browser.
Black board is used when there is printing on the backside to prevent bleed. As far as temp it depends on your adhesive. Most heat activated foam core are around 160, tissues vary from below 150 to around 185 and films are around 180 to 190.
30 seconds is all you need once you have a full vacuum.