Flexographic:
Printed on the machine during manufacture. Up to two colours can be printed on the ouside, (front or back) and one color on the inside. (secretive pattern). This process uses rubber or cyrel plates and is not suitable to print large solid areas, fine lines or screens. This method is mainly used for large runs where no logo is involved. This is the most economical way to print simple text on an envelope.
Over-print - offset:
Standard stock envelopes can be overprinted 1-4 colours. We have a Halm high speed two color overprinting machine, which can print 2 colours on 2 sides in one pass. Print can bleed to the edge if you are only printing two colours: printing large solid areas is not reccomended.
We also have a Halm high speed four color over-printing machine. When printing a duo tone or more than 2 colours we would use a four color over-printing machine which requires a 10mm grip at the top of the envelope and does not allow for any bleed. With the four colour machine we have a UV facility which allows us to print larger areas and dry the ink at the same time to avoid set-off and smudging.
On the four color presses the minimum envelope size is 90x130mm.
The maximum envelope size is C4 324x229mm.
Flat sheets - offset:
When printing envelopes on flat sheets prior to manufacture there are very few restrictions. You can print 1 to 4, or more colors for the highest quality result. There are just a few points to remember.
Printed on the machine during manufacture. Up to two colours can be printed on the ouside, (front or back) and one color on the inside. (secretive pattern). This process uses rubber or cyrel plates and is not suitable to print large solid areas, fine lines or screens. This method is mainly used for large runs where no logo is involved. This is the most economical way to print simple text on an envelope.
Over-print - offset:
Standard stock envelopes can be overprinted 1-4 colours. We have a Halm high speed two color overprinting machine, which can print 2 colours on 2 sides in one pass. Print can bleed to the edge if you are only printing two colours: printing large solid areas is not reccomended.
We also have a Halm high speed four color over-printing machine. When printing a duo tone or more than 2 colours we would use a four color over-printing machine which requires a 10mm grip at the top of the envelope and does not allow for any bleed. With the four colour machine we have a UV facility which allows us to print larger areas and dry the ink at the same time to avoid set-off and smudging.
On the four color presses the minimum envelope size is 90x130mm.
The maximum envelope size is C4 324x229mm.
Flat sheets - offset:
When printing envelopes on flat sheets prior to manufacture there are very few restrictions. You can print 1 to 4, or more colors for the highest quality result. There are just a few points to remember.
- Where you have an image over a folded edge of the envelope you must allow 3mm bleed to cover any vaiation in die cutting and folding.
- Where you are printing on coated stock, a varnish is recommended to prevent smudging and scuffing.
- Glued areas are to remain ink free. We can provide a template shape to show you these areas (You will never see these unprinted areas as they are inside the envelope).
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