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Glossary

SEFAR PROPYLTEX

Polypropylene precision woven screens

SEFAR SHRINKTEX

Shrinkable fabrics

SEFAR TETEX DLW

Double-layer woven fabrics for industrial solid / liquid separation

SEFAR TETEX MONO

Monofilament filter fabrics for industrial solid / liquid separation

SEFAR TETEX MULTI

Multifilament and staple fiber fabrics

SEFAR TUBETEX

Precision woven tubular fabrics

Selvage

The finished edge of a loom that prevents cloth unraveling.

Separation

This process divides or separates a mixture of particles or liquids into separate components.

Shielding effectiveness (SE)

Measure of a given material’s ability to block interference. Expressed in dB. See Decibel.

Sieve

A screen with apertures of uniform size used for sizing granular materials.

Solution dyeing

Method of adding color to the polymer melt or spinning solution before the fiber is extruded. Also known as spun dyeing or dope dyeing.

Spinning

The process of extruding polymers to form fibers

Spun yarn

A yarn produced from short fibers

Square weave

See Plain Weave

Squeegee

The squeegee fills the mesh openings with ink and is pressing the stencil onto the substrate.
The edge of the squeegee blade, the squeegee pressure, the angle as well as the material and hardness have an important influence on the printing result.

Squeegee angle

Angle from the screen, in which the squeegee is fixed. The common angle is 75°.

Squeegee pressure

The squeege is pressing the stencil onto the substrate. The pressure should be as low as possible.

Squeegee side

The side of the mesh resp. stencil directed toward the squeegee.

Step exposure

The step exposure is a methode of determining the optimum exposure time. It depends on the characteristics of the photo emulsion, the mesh, the overall thickness, the light source and the distance between the lamp and the screen.

Stretching system

Stretching systems are used for stretching the screen printing mesh before glueing it onto a frame.
We distinguish between:
- mechanical stretching systems
- pneumatic stretching systems

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Contact

Sefar Inc.

111 Calumet Street
Buffalo, NY 14043 – USA

Phone 800 995 0531

Fax +1 716 685 9469

Send e-mail

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