Heattransfer printing is a technology to print patterns on the surface of a workpiece by heat pressure. 10 colours pattern can be easily finished in one process with no colour register. Vivid pictures and live colours can be printed on your products even it 's simple equipments. Heat transfer printing is a art that can add high values and improve its grrade to your products.
The struct of heat transfer film
Heat transfer film is a special printing functional film with patterns or words, on the same affection of temperature and pressure,the film will fall out with base layer.
Heat trasnsfer film always consist of 3~4 layers.3 layers are consist of carrier layer,oil layer and glue layer.Four layers are contain carrier layer,base layer,oil layer and glue layer.
Following message are the details about this four layers,
Carrier layer:the carrier of base layer,oil layer and glue layer(the usual material is PET),it satisfied with high temperature resistance,pressure resistance and small tensile deformation.
Base layer: A layer of mold release, always stay solid state under normal temperature,but will fusion when it is on ordered temperature, adhesion become lower and fall out from carrier layer.Release layer is the key of transfer print on printing stock and finish the depart from oil layer.It need good wear resistance,has function on protect colourful oil, lower the radiation intensity, lower the destroy of oil from air, extend the shelflife of oil and buffer adhesion between substrate film and oil layer.
Oil layer:This layer is the basic of printing quality.Heat transfer film is printing patterns by gravure printing,so it can show vivid picture and lively colour, it's pattern also has strong restore function. It can make your products packing more perfect.
Glue layer:High adhesion with surface of printing stock is the basic function, to ensure fastness of printing stock and printing layer.Glue in this layer must match with printing materials.(Such as ABS/PP/PE/Metal/EVA,they need match with different kinds of glue.Different kinds of glue have different adhesion intension.)
always used in different bars,and there is many choose for us in printing. We can print words or pictures on this barrels.Heat transfer is a better choose for us to print.