-
firms with
slightly different formulas and sold
variously by such
names as
Delrin, Kocetal, Ultraform, Celcon, Ramtal, Duracon, Kepital, Polypenco, Tenac...
-
generally made of one
uniform material, such as some kind of
plastic (nylon,
Delrin, celluloid), rubber, felt, tortoises****, wood, metal, gl****, tagua, thermosetting...
- A zipper, zip, fly, or zip fastener,
formerly known as a
clasp locker, is a
commonly used
device for
binding together two
edges of
fabric or
other flexible...
- metal, and
rarely other exotic materials such as
turtle s****, but
today delrin (a
synthetic thermoplastic polymer) is the most common.[citation needed]...
-
electronic keyboards.
Until "monoblocks" came along, GE's "self-lubricating"
Delrin was the only
plastic material for
keyboard switch plungers that
could withstand...
- Most
fingerpicks are
composed of
metal or
plastic (usually
Celluloid or
Delrin).
Unlike flat
guitar picks,
which are held
between the
thumb and finger...
- used as a
thermoplastic and are
known as
polyoxymethylene plastic (POM,
Delrin). It was used in the past in the
discredited Sargenti method of root canal...
-
polyacetal or
polyformaldehyde Step-growth
polymerisation of
formaldehyde –CH2O–
Delrin from
DuPont Polyethylene glycol (PEG)
Polyethylene oxide (PEO) or polyoxyethylene...
- made of
Delrin.
Crowns hold and
separate the
individual balls in a bearing.
Bearing shield: The two
walls that hold the ball
bearings and
Delrin crowns...
-
measure the
inner size of a ring, and are
typically made from plastic,
delrin, wood, aluminium, or of
multiple materials.
Digital ring
sticks can be used...
