Page 64 - Plastics News March 2020

press reLeAse

Copper: The secret weapon of injection molding

hen it comes to injection molding, a main conductivity of almost 400 (W/(m*K)) and a great electrical
Wcharacteristic you want to be looking for in materials conductivity of 5.96×107 σ (S/m) at 20° Celsius. Thanks
is thermal conductivity. If plastic objects are to be to its excellent thermal conductivity combined with its
manufactured, the molten plastic needs to cool down malleability, copper is the best choice for injection molds
as quickly as possible to increase productivity. It turns that there is. It can increase production speed by 15 - 40
out that there is a prime candidate for industrial heat % because it can be heated and cooled very quickly. The
exchanging among metals, and it is called copper. only problem is that with its great malleability comes a
slight deficit in hardness. Therefore, copper is often mixed
The reddish-gold metal we call copper is the first metal
that humans ever worked. It is primarily found in minerals, with other materials to make it stronger for different kinds
is very malleable and was first hardened by adding tin, of industrial uses, which results in considerably useful
creating the alloy we call bronze, after which an entire materials. These materials are not only highly conductive,
historical period is named. they also do not produce sparks, are nonmagnetic and
resistant to corrosion, which makes them usable for many
Annealed copper (H040) has a minimum hardness of 40HV different purposes.
and a minimum tensile strength 200 N/mm2 (R200). Fully
cold worked copper (H110) has a hardness of Copper saves resources and is environmentally
friendly
110HV minimum and a tensile strength of 360 N/mm² Copper is not only the ideal material for heat exchange
(R360) minimum. Copper is used mainly in electrical and many other uses, it is also the material of the future,
equipment such as wiring and motors nowadays, and when partly because it is used so frequently in renewable energy
it comes to industrial machinery, heat exchangers are the systems. According to the European Copper Institute,
main use of copper. Why exactly is that?
Copper consumption will rise by more than 40 % until
Copper in the use for injection molds 2035. It also helps that copper can be recycled without
Machinery parts that are involved in heat exchange like any loss of performance, which requires up to 85 % less
injection molds need to be highly conductive, machinable energy than primary production.
and resistant to corrosion. Copper has a notable thermal In conclusion, it seems obvious that if you work in the
industrial sector, copper should definitely be
on your radar, especially if you work in the
plastics industry. At AMPCO METAL, we have
known about the advantages of copper since
1914. Ask us about copper and we will be happy
to advise you about how it could benefit you
and your company.

AMPCO METAL INDIA PVT LTD A-8/4, At Village
- Nighoje Chakan MIDC, Phase IV, Tal: Khed,
Pune – 410501 MAHARASHTRA, INDIA
TOLL FREE PHONE: 1800 2666 810
Tel: +91 2135 610810 |Fax: +91 2135 610811
Email: infoindia@ampcometal.com |
CIN: - U28112PN2012FTC14468

Copper saves resources and is

environmentally friendly

66
64
2020
March
Plastics N
Plastics News March 2020
ews
Copper is not only the ideal material for heat exchange and many other uses, it is
also the material of the future, partly because it is used so frequently in renewable
energy systems. According to the European Copper Institute, Copper consumption
will rise by more than 40 % until 2035. It also helps that copper can be recycled
without any loss of performance, which requires up to 85 % less energy than primary
production.
In conclusion, it seems obvious that if you work in the industrial sector, copper
should definitely be on your radar, especially if you work in the plastics industry. At
AMPCO METAL, we have known about the advantages of copper since 1914. Ask
us about copper and we will be happy to advise you about how it could benefit you
and your company.

AMPCO METAL INDIA PVT LTD
A-8/4, At Village - Nighoje
Chakan MIDC, Phase IV, Tal : Khed,
Pune – 410501 MAHARASHTRA, INDIA
TOLL FREE PHONE: 1800 2666 810
Tel: +91 2135 610810 |Fax: +91 2135 610811
infoindia@ampcometal.com
CIN:- U28112PN2012FTC144688