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FREQUENTLY ASKED QUESTIONS
Q: What is PE (as in HDPE, MDPE, LDPE, LLDPE, etc.) and what are some of its
uses?
A: Polyethylene (PE) is a plastic material belonging to a group of polymers
called polyolefins.
It is usually first categorized by its density as indicated
in the abbreviations e.g. HDPE (high density PE), MDPE (medium density PE), LDPE
(low density PE) , LLDPE (linear low density PE). Depending on its specific
grade and properties, it is used in a wide range of plastic products from milk
bottles and plastic bags (lower end of properties and cost) to high performance
plastic pipes (high end of properties and cost).
Q: What is used to make PE or HDPE?
A: All polyethylenes are made from petroleum feedstocks also known as
hydrocarbons.
Both the feedstocks (and raw materials) and polyethylene is
composed of only hydrogen and carbon (hydrocarbon).
Q: What is a polymer?
A: A polymer by definition is poly (many) mer (parts). It is generally a very
simple molecule (mer) which is chemically combined (polymerized) many times
until it attains the final desired properties as a polymer.
Q: What is a stabilizer (thermal vs. ultraviolet stabilizer)?
A: Stabilizers are added to polymers to enhance their ability to resist natural,
environmental, mechanisms which tend to shorten their useful lives.
Antioxidants
retard oxidation ultraviolet stabilizers retard sunlight degradation, and
thermal stabilizers help buffer the degradation effects of high temperature
exposure.
Q: What is TiO2?
A: TiO2, titanium dioxide is essentially an inert white pigment which whitens
and opacifies plastics.
Q: What is carbon black?
A: Carbon black is a black pigment, which can also enhance mechanical properties
as well as act as an excellent UV stabilizer when properly compounded into a
plastic or rubber.
Q: What is ASTM?
A: ASTM (American Society for Testing & Materials) is an independent,
not-for-profit standards writing organization. It promulgates standards in many
diverse technical disciplines.
ASTM is the forum for a majority of standards in the USA, especially those related to plastic materials and products testing.
ASTM writes standards and conducts educational training seminars
(Specifications, Test Methods and Guides. ASTM does not conduct testing,
listing, certifying, or enforcement of its standards.
GENERAL
Polyethylene (PE) is a thermoplastic material produced from the polymerization of ethylene.
PE panels are available in many varieties of wall thicknesses.
PE
panels are available in many forms and colors such as
Single extrusion colored or black.
SUSTAINABILITY (GREEN BUILDING)
A significant benefit of plastic panels is its small environmental impact compared
to other materials.
USES/APPLICATIONS
PE
panels offers distinct advantages as a panels material:
Light weight
Flexibility
Chemical resistance
Overall toughness
Longevity
These benefits make it an ideal panels material for a broad variety of
applications. PE
materials are generally resistant to most ordinary chemicals.
Polyethylene can be used in low temperatures (0 F or colder) without risk of
brittle failure. Thus, a major application for certain PE panels formulations is
for low-temperature heat transfer applications.
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PARA MAIORES INFORMAÇÕES LIGUE PARA (11) 3531.6199 - E-MAIL: HD@HD.IND.BR
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We have the plastic panels manual in PDF file, if you need, please send us an e-mail.
FOR FURTHER INFORMATION, PLEASE CALL (55-11) 3531.6161 - E-MAIL: HD@HD.IND.BR