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Offset Printing

Offest Printing

Offset printing is a process to make a print for bulk and commercial purpose as books, brochure, magazines, news paper, packing wrapper materials etc. on high volume 60 % of printing work done by this process there are two types of offset printing each type of offset printing process is same. It is an oil based ink process known as lithography.

1. Sheet feed offset : Sheet print one by one till complete job pass into the press and come out with complete printing, in this process any kinds of stuff can be print like plastic, flat size start 11.692”x8.268” to 28”x40”, paper, plastic and metal etc. per unit cost is higher compare to web offset.

2. Web offset : One time pass one roll form and complete entire job there after cut and fold to finish job overall covered this process as news, magazines large scale works done in shot time basic cost is too high, per unit cost is very low in bulk qty. even that is roll form as paper, foil, bopp packaging materials or flat sheet this process is known as offset printing.

How it works : Over all sheet fed and web offset printing process is same. First of all artwork what I have to print in offset design burn into metal plate as “cyan, magenta, yellow and black” each separate metal plate known as CYMK in short as a processed color also and pantone color can be used instead of processed color. Next step is these separate CYMK plate design transfer onto different color rubber blanket rolls different color blanket run with separate color when media (paper) comes to the contact by press between rubber roll and metal plate final print produce.

Why we choose offset printing?

1. Best print image quality without missing spot and streaks

2. Color separation in equivalent on any material

3. Fast print process

4. For bulk quantity per page unit cost comes less price compare to digital print process

Why ignore?

1. High unit price on low volume/low sheet run job

2. Required more time as compare to digital

3. High risk if get any error, as it takes more time, need to review files, set up the press, make plates make sure proofs are approved before they can even get started printing your job.

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