WCA November 2008

and

for wire treatment

Wire & Cable ASIA – November/December 2008

Copper wire insulation with

UV varnishes

Years of experience in coating optical fibres with UV curable inks and resins

have enabled Medek & Schoerner to develop a completely new line of

products.

For many years, copper wire has been insulated by applying layers of enamel

(enamelled copper wire). Many coats of solvent-based varnishes are applied

in several passes, and dried by evaporating the solvent.

Medek & Schoerner’s new process involves replacing conventional

solvent-based varnishes with varnishes cured by UV irradiation. This does

not produce any solvent vapours, and the use of UV radiators reduces energy

costs to far below the level previously required for thermal drying ovens at

comparable levels of production. The elimination of solvent vapours, coupled

with a considerable drop in energy costs, means the process has a reduced

environmental impact.

The UV curing station can be installed in existing wire enamelling lines and

replace the conventional enamelling oven.

Medek & Schoerner GmbH – Austria Fax

: +43 1 982 72 96

Email

m+s@medek.at

Website

www.medek.at

Lubrication from Lubrimetal

The use of an advanced top performance drawing lubricant is key

to the production of high quality finished wires. Lubrimetal manufactures an estab-

lished range, including its well-known trademarks Fosfil

and Steelfor

phosphating

agents, coatings and carriers. Steelfor ITS/5 is a new borax free salt coating for steel

wire rod and wire pre-drawing

preparation for batch and in-line

treatments.

For dry drawing, Lubrimetal’s

Lubrifil

range includes:

Lubrifil VA 2007 – VA 2001 –

•

strong drawing lubricants for

mechanically descaled wire

rod (production of galvanised

wire for fences, barbed wire

and baling wire

Lubrifil VA 3173 and VA 705

•

drawing lubricants for PC wire

and strand production

Lubrifil VA 6001 – VA

•

7001 – VA 7090 borax free

sodium-based lubricants for

high carbon steel (such as

spring and steel cord) and

stainless steel wire drawing

The Lubriol

range of wet drawing

lubricants for ferrous metals, mild

steel, high carbon and stainless steel includes:

Lubriol V 688 for mig wire

•

Lubriol LMZ 10 for steel cord

•

Lubriol CU lubricants for copper wire drawing (breakdown, intermediate, fine

•

and superfine wire drawings)

Lubrimetal has factories in Italy (Lubrimetal SpA) and in India (Peddington Lubrimetal).

Lubrimetal – Italy

Fax

: +39 0341 422386

Email

info@lubrimetal.com

Website

www.lubrimetal.com

A range of lubricants from Lubrimetal

❍

Corrosion

protection for

overhead power

conductors

Corrosion of overhead power

conductors, mainly ACSRs (alumi-

nium conductors steel reinforced) is

a major and costly problem and is

especially severe in heavily polluted

areas.

Some 25 years ago, in response

to this problem, Vapor-Tek Ltd

developed a highly effective cor-

rosion preventive grease to be

applied to conductors during

manufacture. The grease protects

against both galvanic and crevice

corrosion even in the presence of

corrosive pollutants. Unlike some

greases, which must be applied

molten, Cablegard’s unusual rheo-

logy enables the grease to be

applied cold, straight from the drum

as received.

Cablegard is manufactured to the

internationally recognised specifi-

cations EN 50326:2002 and IEC

61934 and exceeds the corrosion

requirements of the specifications.

The performance of Cablegard was

confirmed by SECRI (Shanghai

Electricity Cable Research Institute),

an important step towards its

approval and use in the People’s

Republic of China, where the

corrosion problem is especially

acute.

SECRI was so impressed with the

test results that Vapor-Tek was