ABOUT COATED PAPER

In 1875 the application of coated papers developed when Theodore Low Devinne conceived the idea of using such paper for printing purpose where good colour reproduction was desired.

The result of printing work was so Superior to the Super Calendered paper in use for gravure printing, it became the standard paper for fine half-tone printing.

The specialty coated paper industry is fairly unique in variety of its manufacture operation and every will try to develop it own modification of the used practice.

The actual coating process places certain demands on the base sheet. It is classified in two main type of coaters:-
1. Contact Coaters(for example blade & bar water).
2. Non Contact Coaters(for example Air knife Coater).

CONTACT COATERS
The basic theory is that blade will ride on the high spot of base surface.

NON CONTACT COATERS
The non-contact group of coaters is typified as the Air Knife Coater Show. The Air Knife Coaters is sometimes called Contour Coater because the coating tends to follow the contours of base sheet.

OUTLOOK FOR COATING PAPERS
The reasons for Coating Paper have extended for beyond the simple requirement to improve the printing surface and add a decorative effect. Functional demands in addition to printing, embrace the field of packaging, building construction, plastics, office copying, duplicating, multiple sales forms and information recording. .