Category Archives: Technical

Rail car window recycling.

This blog post will discuss the new technology of rail car window recycling. We will also discuss why refurbishment of old windows has not found a place in the market. Transit system operators often use hard coated Polycarbonate windows for their rail cars, trams and buses. During operation these windows can become dirty and therefore […]

Laser Blocking Polycarbonate Sheet

“A laser blocking polycarbonate sheet is a type of material designed to protect against the harmful effects of laser radiation. To make polycarbonate sheet laser blocking, a special additive (or combination of additives) is included in the material during production. These additives absorb laser radiation and convert it into heat, preventing it from passing through […]

Welding grade specifications for Polycarbonate.

Welding grade specifications are application specific and are often misunderstood. HighLine Polycarbonate produces a welding grade material that is designed to go around robot welding enclosures. They allow people outside the enclosure to see what is going on inside the enclosure safely. The products were specifically designed to meet the standard ISO 25980: 2014 – […]

Polyphenylsulfone (PPSU) sheet

Polyphenylsulfone (PPSU) sheet is an amorphous thermoplastic that has very high resistance to to heat. One of the main applications is in trays used for sterilizing medical instruments as it is able to withstand repeated steam sterilization cycles. Polyphenylsulfone is commonly referred to as PPSU. The resin is manufactured by a number of companies and […]

UHMW-PE low coefficient of friction.

UHMW-PE is often used in applications where a low coefficient of friction is required. These applications include transport and conveyor systems, chain and belt guides, guides for PET bottles and slide bearings. In addition to the high abrasion resistance of the UHMW-PE that is needed in many of these applications, the low coefficient of friction […]

UHMW-PE White ESD Sheet

HighLine is now able to offer a line of white color UHMW-PE sheets with ESD (ElectroStatic Discharge) properties. These sheets are ideal for food, medical and cleanroom applications. The material has a low surface resistance of 10⁶ to 10⁹ Ω/sq. This low surface resistivity prevents both the accumulation of static charge and the attraction of […]

Metallic finish Polycarbonate sheet.

For many years Metallic finish polycarbonate sheet has been achieved by painting the surface or adding decorative films. This secondary processing can add cost to the process and take time to complete. HighLine is able to offer Polycarbonate sheet with a metallic look already build into the product. The sheet is available in a variety […]

Polycarbonate flammability & building codes

Chapter 26 of the International Building Code (IBC) addresses the use of plastics in building construction and components. Section 2606 of the IBC classifies polycarbonate as a Light Transmitting Plastic and prescribes the requirements for its use in various configurations such as walls, roof panels, skylights, signs and glazing. Section 2604 provides direction for plastics […]

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