Materials

Design

Processes

Units

Formulas

Math

Glossary » Materials » Polymers » Phenol-Formaldehyde Plastic » Phenol-Formaldehyde » Cellulose Filled, Impact Modified » Molding Compounds

Cellulose Filled, Impact Modified Molding Compounds PF is a subcategory of Phenol-formaldehyde Plastic. The additative is added during the manufacturing process. Its flexural modulus ranges from 900 to 1300 MPa. Its tensile strength ranges from 3500 to 6500 MPa at break. Its flexural strength ranges from 5500 to 11000 MPa. Its compressive strength ranges from 22000 to 31000 MPa. Its Izod Impact strength ranges from 0.4 to 1.1 J/cm. Its elongation at break ranges from 1 to 2 %. Its hardness ranges from 95 to 115 Rockwell M. Its specific gravity ranges from 1.38 to 1.42. Its coefficient of thermal expansion ranges from 20 to 31 x 10^-6/°C. Its molding pressure ranges from 2 to 20 MPa.

Phenol-formaldehyde Plastic, also known as PF, is a thermoset polycondensate. The most common trade name is Bakelite. phenol-formaldehyde A naturally brittle material in pure form, it is able to be strengthened with fillers such as wood pulp and cellulose. PF is the first volume-produced synthesized polymer resin. It was widely used in early consumer electronic products such as telephones and radios.