Gary. As an example here are the instructions for Siser Easyweed.
Siser EasyWeed Vinyl
Home Iron Application Instructions
100% cotton, Poly/cotton blends, 100% polyester
Set iron dial between Cotton and Linen
Cover design with Kraft paper or non-stick cover sheet
Place on flat, hard surface (ironing board not recommended)
Press iron with medium/firm pressure (do not slide iron)
Press each section of design for 10-15 seconds
If areas of design lift after application, replace cover sheet and re-press for 5-10 seconds
Peel carrier hot or cold
Wait 24 hours before first wash.
Siser EasyWeed Vinyl
Home Iron Application Instructions
100% cotton, Poly/cotton blends, 100% polyester
Set iron dial between Cotton and Linen
Cover design with Kraft paper or non-stick cover sheet
Place on flat, hard surface (ironing board not recommended)
Press iron with medium/firm pressure (do not slide iron)
Press each section of design for 10-15 seconds
If areas of design lift after application, replace cover sheet and re-press for 5-10 seconds
Peel carrier hot or cold
Wait 24 hours before first wash.