Cellidor® CP 410-10

What is it?

Cellidor® compounds are based on cellulose acetate propionate (CAP), which is partially derived from renewable cellulose from wood. It was created in the 1930s and is one of the first plastics to be commercialised. It is now regaining popularity because of the growing consumer demand for more sustainable products. 

This is an amorphous thermoplastic, with very good light transmission and a brilliant depth of colour. Its self-polishing effect means that small surface scratches are smoothed away over time. Food-compliant grades are available; the bio-based content is about 45% depending on grade and fillers.

Material properties

  • Flexural Modulus 1800 MPa ISO 178

  • Flexural Stress (3.5% Strain) 45 MPa ISO 178

  • Tensile Modulus 1800 MPa ISO 527

  • Tensile Stress at Yield 43 MPa ISO 527

  • Tensile Elongation at Yield 4.4 % ISO 527

  • Tensile Elongation at Break 12 % ISO 527

  • Impact Strength (Charpy, 23°C) 200 kJ/m2 ISO 179/1eU

  • Notched Impact Strength (Charpy, 23°C) 20 kJ/m2 ISO 179/1eA

  • Ball Indentation Hardness H132/30 95 MPa ISO 2039-1

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Technical benefits

Cellidor® is a tough plastic with a high-impact strength even at low temperatures. It is resistant to water, grease, mineral oils, and sweat. 

It has good resistance against stress cracking, which is rare for an amorphous and transparent plastic.

Look and feel

The plastic has a high gloss and displays bright and vibrant colors. It also has a high transparency of up to 90%.  

Moulded products have a pleasant warm and soft feel. The plastic is also self-polishing, so small scratches tend to disappear when the moulded products are used.

Environmental benefits

The bio-based content is about 45% depending on grade and fillers. It is free from bisphenol-A (BPA) and phthalates.

Applications

The nice look and feel of the material makes it well-suited for human contact. Applications include handles for tools, sporting equipment, frames for glasses, jewelry, writing utensils, and cosmetic products.

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Why we chose this material 

This is a very pleasant material that is well suited for use in durable consumer products. 

Even though it is one of the oldest bio-based plastics it is not widely known among product developers and designers. 

Why you should consider this material

  • You need a transparent plastic with a nice feel.

  • You want a market-proven material with several reference applications. 

  • You are looking for a high-impact-resistance material that is not susceptible to stress cracking as many other transparent plastics.

About the manufacturer

MOCOM is a large compounder of thermoplastic polymers. The company offers a broad range of high-performance plastics and technical compound solutions. The company also develops custom compounds in cooperation with customers from many different industries.