Home » Button » Casein: high polish on front

  • Casein: high polish on front

    • Comments Off on Casein: high polish on front

    Casein identification guide: casein is a thermoset semi-synthetic polymer made from milk, hardened in formaldehyde

    8. Takes a high polish, but the back may be unpolished or less polished, helping to differentiate from Bakelite, which is tumble polished on all sides.

    source: Button Materials A-Z: Identification Guide
    by Jocelyn Howells

    Button Specs

  • Casein: high polish on front

    • Comments Off on Casein: high polish on front

    Casein identification guide: casein is a thermoset semi-synthetic polymer made from milk, hardened in formaldehyde

    8. Takes a high polish, but the back may be unpolished or less polished, helping to differentiate from Bakelite, which is tumble polished on all sides.

    source: Button Materials A-Z: Identification Guide
    by Jocelyn Howells

    Button Specs

WRBA member may log-in to comment on our buttons.

WRBA Button Album

Images of buttons are submitted by WRBA members. Categories are carefully assigned by designated editors. WRBA members are encouraged to send comments to the editors towards better description/categorization of buttons appearing in this album. WRBA Button Album is an ongoing educational project.

Complete Classification is available to the [members of the National Button Society].

Colorway Wordpress Theme by InkThemes.com