United States


How about subscribing to our Newsletter?




The off-contact is the distance between the screen and the substrate before printing, i. e. before the squeegee is pressing down the screen to the substrate.

One circuit stretching system

The one circuit stretching system works pneumatically and is equipped with one control circuit only for all clamps. It is used for screen printing frames with shanks up to approx. 150 cm (also see 'two circuit stretching system').

Open area

The proportion of total screen area that is open space, expressed as a percentage.

Open weave

These fabrics are constructed such that, when viewed at right-angles to their surface, the spaces between the interwoven fibers are visible.


Sefar Inc.

111 Calumet Street
Buffalo, NY 14043 – USA

Phone 800 995 0531

Fax +1 716 685 9469

Send e-mail

Filtration & Separation

Screen Printing