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JR SATURDAY WORKSHOP

BAKELITE: Thermoset: A type of plastic (synthetic resin) that is permanently hardened by cooling. Thermosets are heavily cross-linked. Synthetic materials that strengthen during being heated, but cannot be successfully remolded or reheated after their initial heat-forming. Developed in 1907 by Leo Baekeland and popular for jewelry in the 1930's/40's.
*Bakelite is either transparent,translucent or opaque.Colors change with age..No bright white or colorless vintage bakelite.
*No mold marks or seams.
*Changes color with prolonged exposure to sunlight.

OTHER PLASTICS: Thermoplastic: A type of plastic that can be softened by heat, hardened by cooling, and then softened by heat over and over again. Thermoplastics are not cross-linked.

CELLULOID: Thermoplastic: Generally regarded to be the first thermoplastic, it was registered as Celluloid in 1870. Celluloid is easily molded and shaped, and it was first widely used as an ivory replacement. Celluloid is highly flammable and also easily decomposes, and is no longer widely used.
*Comes in many colors
*Brittle,solid or hollow
*Flammable

LUCITE (trade name): Thermoplastic: Transparent acrylic or tinted color.
*Introduced in 1937
*Solid,not hollow
*Can have glitter or seashells embedded within

Tests for Bakelite:
*Two pieces tapped together produce a clunk sound.
*Under hot water produces a distinctive odor.Once you have smelled it you will know,like formaldehyde
*Formula 409 on a Qtip and rubbed on piece will produce a nicotine yellow color.Rinse immediately.
*Bakelite testing squares
*Never use a hot needle
*The Simichrome Test

Tests for Celluloid:
*Under hot water smells like camphor,dip quickly and dry immediately
*Do not use hot needle as Celluloid is highly flammable
*Do not immerse in hot water if rhinestones are present

Tests for Lucite:
*Some say under hot water it produces a fruity smell but I have yet to find that happen

Bakelite Colors from Karima Parry's website, Plastic Fantastic BAKELITE COLORS

See Kim Paff's presentation on Bakelite:NOT WORKING RIGHT NOW
BAKELITE POWERPOINT PRESENTATION and More

Date(s): January 19, 2012. Album by Jewelry Ring. 1 - 29 of 29 Total. 1965 Visits.
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1
Picture courtesy of Kim Paff
Kim Loves Vintage
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2
BAKELITE
Thermoset

Compliments of Judi Bollan

VintageTreasures4U on Etsy
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3
CELLULOID
Thermoplastic

Courtesy of Judi Bollan
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4
BAKELITE leaves and acorns and CELLULOID chain
Thermoset and Thermoplastic

Courtesy of Judi Bollan
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5
BAKELITE sometimes called PRYSTAL due to being able to see through it
Thermoset

Courtesy of Judi Bollan
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6
Carved BAKELITE
Thermoset

Courtesy of Judi Bollan
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7
BAKELITE pendant and CELLULOID chain
Thermoset and Thermoplastic

Courtesy of Judi Bollan
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8
CELLULOID
Thermoplastic

Courtesy of Judi Bollan
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Enlarge photo 9
9
CELLULOID
Thermoplastic

Courtesy of Judi Bollan
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10
CELLULOID
Thermoplastic

Courtesy of Judi Bollan
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11
CELLULOID chain and PLASTIC Flowers
Thermoplastic

Courtesy of Judi Bollan
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12
CONFETTI LUCITE
Thermoplastic

Courtesy of Judi Bollan
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13
BAKELITE Cuff
Thermoset

Courtesy of Judi Bollan
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14
CELLULOID
Thermoplastic

Courtesy of Judi Bollan
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15
CELLULOID chain and PLASTIC flowers
Thermoplastic

Courtesy of Judi Bollan
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16
LUCITE BANGLE
Thermoplastic

Courtesy of Terri Friedman
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17
Vintage Celluloid Rhinestone Bangle Bracelet
Thermoplastic

Compliments of Terri Friedman

RHUMBA!
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18
Bakelite Clip Applejuice
Reverse Carved &
Painted
Thermoset

Courtesy of Terri Friedman
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19
Bakelite Heart Cherry Pin
Thermoset

Courtesy of Terri Friedman
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20
Celluloid Bangle
Thermoplastic

Compliments of Rene Colon
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21
Bakelite snake brooch
Thermoset

Courtesy of Rene Colon
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22
Reverse carved Lucite pin
Thermoplastic

Courtesy of Rene Colon
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23
Lucite Bangle
Thermoplastic

Compliments of Linda Vogue
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24
Root Beer Bakelite Bangle
Thermoset

Courtesy of Linda Vogue
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25
Celluloid cameo pin
Thermoplastic

Courtesy of Linda Vogue
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26
1930's celluloid (thermoplastic) compact dance purse.

Courtesy of Barbara Jones
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27
Trifari Lucite jelly belly pin
Thermoplastic

Compliments of Barbara Jones

My Finest Things
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28
Buttersctoch Bakelite (thermoset) necklace. The black beads are lucite (thermoplastic).

Courtesy of Barbara Jones
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29
Bakelite and Celluloid dangle Brooch..Beads and bar are Bakelite thermoset and chain is celluloid, thermoplastic.. Edit