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Twinwall plastic most commonly refers to two exterior plastic sheets that are connected with a plastic support layer to create parallel channels. This design adds both impact toughness and the ability to support weight. Twinwall plastic may also be used to describe a pipe that has a smooth interior with exterior air filled ridges. [3]
Additionally, specialized or customized luggage carriers are often required on bicycles with (rear) disc brakes or full suspension. A common type of child seat designed for carrying an infant on a bicycle mounts to a rear luggage carrier. [3] Some models of child seat are not attached to a luggage carrier but are fixed to the seat tube.
Polycarbonate is mainly used for electronic applications that capitalize on its collective safety features. A good electrical insulator with heat-resistant and flame-retardant properties, it is used in products associated with power systems and telecommunications hardware. It can serve as a dielectric in high-stability capacitors. [6]
Acrylonitrile butadiene styrene (ABS) (chemical formula (C 8 H 8) x · (C 4 H 6) y · (C 3 H 3 N) z) is a common thermoplastic polymer. Its glass transition temperature is approximately 105 °C (221 °F). [4] ABS is amorphous and therefore has no true melting point. ABS is a terpolymer made by polymerizing styrene and acrylonitrile in the ...
A baggage handling system is a type of conveyor system installed in airports that transports checked luggage from ticket counters to areas where the bags can be loaded onto airplanes. A baggage handling system also transports checked baggage coming from airplanes to baggage claims or to an area where the bag can be loaded onto another airplane.
Recycling codes on products. Recycling codes are used to identify the materials out of which the item is made, to facilitate easier recycling process.The presence on an item of a recycling code, a chasing arrows logo, or a resin code, is not an automatic indicator that a material is recyclable; it is an explanation of what the item is made of.
The carts are provided in airports, large bus stations, [1] hotels, or train stations for transporting luggage and may be free of charge. They are sometimes owned by the operator of the establishment. In some facilities carts may be provided by a contractor such as Smarte Carte for a rental fee. Baggage carts are usually built out of steel and ...
Polymers such as EVA or LDPE can be used as carriers for polyolefins and nylon, while polystyrene can be used for ABS, SAN, and sometimes polycarbonates. When a carrier other than the base plastic is used, this carrier material may modify the resulting plastic's properties. The usual ratio of masterbatch to base polymer is 1–5%.