Quality and the environment

 

 

 

Technical terms

Absorption

Ability to absorb liquids, for example

Hydrophobic

Able to repel liquids

Adsorption

Ability to attach a substance to the surface

Soundproofing felt

Special felt which has the ability to attenuate noise

Acoustic decor

Interior components which are used both to decorate and to reduce noise levels

Arrestance

Unit for measuring the effectiveness of filter media

Baffle

Screen/panel, a common term in soundproofing contexts

Base weave

Reinforcing material to give needled felt or spun lace, for example, higher mechanical strength

Bindning

Fibre cohesion process. Needled, woven, spun lace, thermally bonded etc.

Decibel

Unit for measuring sound level

Denier

Unit for measuring fibre thickness, g/9,000m. Alt. Dtex, g/10,000m

Density

Weight per unit of volume

Eggshell

Surface treatment which gives a filter medium an eggshell surface

Filter cartridge

Replaceable unit containing filter media in applications such as ventilation installations or dust filter installations

Filter class

Unit which measures arrestance, usually linked to a standard based on standardised dust.

Compression moulding

Manufacturing process in which a textile product is heated and pressed in a cold tool

Moisture content

Percentage of water in a specified volume

Hydrolysis

Decomposition process, usually in a warm and damp environment

K value

Unit for measuring insulation ability

Calendaring

Heat treatment to increase density and make a surface smooth. “Smoothing iron” with rollers.

Twill

Textile weave construction – binding

Laminating

Process for joining different layers

Air distribution hose

Product for distributing ventilation air through premises using textile hose

Needling

Joining textile layers using barbed needles

Permeability

Unit for measuring permeability to air

Willowing

The first stage in textile production. Fibres/colours are mixed in preparation for carding

Rink cover

A material, usually textile, used to cover an ice hockey rink for other events

Round needling

Needling process producing a belt or tube

Round weaving

Weaving process producing a belt or tube

Satin

Textile weave – binding

Spun lace

Joining textile layers using high-pressure water jets

Knitting

Textile production process

Sleeve coupling

Machine component, often textile, which links machine components. Seals, insulates from vibration and compensates for dimensional differences. Commonly used for carrying air.

Support sleeve

Used infiltration to give a filter tube a specific shape

Singeing

Treating a textile surface with an open flame to give the surface a specific structure

Spring

When a product is pressed together, a soft product has high elasticity or spring and the hard product low elasticity or spring

Elastic layer

Layer in an textile product which increases softness

Textile silo

Textile container for storing granulated or powdered material

Dry content

The proportion of dry substance to water

Pressure drop

Pressure difference between 2 points, e.g. in a ventilation or filtration installation

Two-leaf

Textile weave construction – binding

Wadding

Distribution of wad after the carding process as a preparation for needling or spun lace

Warp

Longitudinal threads in woven products

Water cutting

Use of very high pressure water as a cutting medium for textile products etc.

Crocheting

Textile production process

Weft

Cross-threads in woven products

Weaving

Textile production process in which threads are joined together using different types of bonding

Weight per unit area

Weight per unit area, usually grams/square metre

To Top