Acrylic resin

DELPET™ PB series

The new standard of jet-black

The DELPET™ PB series is an acrylic resin which maintains a high ebony property for a long period of time. It meets requirements such as high fluidity and solvent resistance, has a wide range of grades, and is optimal for bodywork on vehicle exteriors.

Products

  • Engineering plastics

Parts

  • Interior
  • Exterior

Marketing Areas

  • ALL

Acrylic resin

DELPET™ PB series

Product Q&A

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QWhat are the recommended molding conditions?

A Equivalent to those for general acrylic resins. Please contact us for details.

QDo you provide a list of physical properties?

A We set up a link to the AKchem website. Refer to the website for details.
https://www.akchem.com/en/pmma/products/delpet/

QHas the PB Series been used for many products?

A It has been used for the production of pillars and rear combination lamps.

The weather resistance and surface hardness of the PB Series are equivalent to those of general acrylic resins. Materials using the PB Series require no painting, which in turn reduces their environmental load.

The weather resistance and surface hardness of the PB Series are equivalent to those of general acrylic resins. Materials using the PB Series require no painting, which in turn reduces their environmental load.

Feature01

True jet-black

Compared with general black acrylic resin, the PB Series reflects little external light. Furthermore, the PB Series has the ebony property of about five times more than that of general black acrylic resin.
In addition, the weather resistance of the PB Series is almost equivalent to that of general acrylic resins used for vehicles.

Feature02

No need for paint

Thanks to the surface hardness of PMMA (polymethyl methacrylate), using the PB Series instead of painted ABS (acrylonitrile butadiene styrene) or PC (polycarbonate) eliminates the necessity of painting. This reduces costs significantly and reduces environmental load.

Feature03

Various grades available

The high fluidity grade products contribute to the reduction of processing temperature and the shortening of molding cycles.
The solvent resistance grade products can pass solvent tests performed by OEM companies. In addition, when used for peripheral components in rear lamps, there is no need to worry about the phenomenon of stringing due to welding with a hot plate. They provide an excellent vehicle appearance.

Usage example01

Pillars

In the “SCE method for colorimetry,” regular reflected light is eliminated and only diffused reflected light is measured. It allows for color evaluations close to those made through visual inspections. When measured using the SCE method, the PB Series’ ebony property is about five times more excellent than that of general black PMMA, and about twice as excellent as that of the piano-black resins of our competitors. In addition, we conducted weather resistance tests in which the PB Series was exposed to weather for extended periods of time. The PB Series demonstrated weather resistance almost equivalent to that of general acrylic resins. Therefore, the series provides superb appearance for exterior parts.
Furthermore, thanks to its high surface hardness, it is scratch-resistant without the necessity of painting.

Usage example02

Rear combination lamps

The use of the PB Series allows the rear combination lamp to be integrated with the vehicle body paintwork without bringing a feeling of strangeness, thus improving designability.
It is possible to reduce the temperature for processing the products of the grade that has both a high ebony property and high fluidity. This is achieved thanks to the satisfactory fluidity.
Low-temperature molding allows for the achievement of high solvent resistance, for a drastic reduction of the generation of silver, and for the shortening of cycles, contributing to environmental load reduction.

Usage example03

Usable for components requiring solvent resistance

In solvent resistance tests (Asahi Kasei tests) in which acid, alkaline, as well as alcohol reagents and car supplies (shampoos, car wax, brake fluids, glass cleaners, etc.) are used, all grades of the PB Series demonstrate the solvent resistance which is equivalent to that of general grades. Therefore, the PB Series can replace general grades without any trouble.

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