Isostatic Pressing and Polymer Terminology

Tabs right

  • O.D. -- Outside Diameter
  • I.D. -- Inside Diameter
  • I.L. -- Inside Length
  • O.L. -- Outside Length
  • I.W. -- Inside Width
  • W/W/ -- Wall Weight
  • O.A.L. -- Overall Length
  • O.A.D. -- Overall Diameter
  • Duro -- Durometer shore "A"
  • P.U. -- Polyurethane
  • Neo. -- Neoprene
  • Ltx. -- Latex
  • Bag
  • Bag with Alignment Hole
  • Donut Bag
  • De-Air Tube
  • Closure
  • Closure with Tube
  • Donut Closure
  • Plug
  • Plug with Alignment Hole
  • Plug with Tube
  • T-Plug
  • Plug Washer
  • Saddle
  • Banding Tape
  • Sleeve
  • Bellows
  • Bulb
  • Knee Sock
  • Funnel
  • Boot
  • Neck
  • Liner
  • Bladder
  • Ring Roll
  • Container - Aluminum or Steel - Drilled or Perforated
  • Container with Removable Bottom
  • Seal Ring
  • Seal Ring with Bottom or Perforated Bottom
  • Seal Ring with Bottom and De-Airing Tube Hole
  • Vacuum Can
  • Mandrel
  • Mandrel with Alignment Pin or Pins
  • Hard Coated Mandrel
  • Mandrel - Powder Fill (Donut Bag Style, Removable)
  • Powder Fill Funnel
  • Powder Fill Spider
  • Urethane Fill Spider
  • Lift Tabs
  • Lift Tabs with Gusset
  • Reinforcement Bands
  • Hardcoat Anodized -- Electroplated surface, 6061 aluminum mandrels only, increased surface hardness.
  • Teflon Hardcoat Anodized -- Hardcoat plus Teflon, increased surface hardness, decreased adhesion.
  • De-Airing Tube -- Pathway from powder fill cavity allowing partial vacuum applications
  • Alignment Hole -- For locating pressing mandrel inside bag bottom and plug or closure
  • Powder Fill Cavity -- Loose powder size pre-pressing, Bag I.D. x *Bag I.L., less plug or closure length.
  • Powder Fill Spider -- Alignment device to center mandrel while powder filling. It is removed prior to the sealing bag.
  • Over Closure -- Thin wall closure over the top of an already sealed press assembly as a means of double sealing to eliminate water intrusion between bag wall ID and closure OD. Similar to a shower cap.
  • Latex Bag Form
  • Latex Closure Form
  • Polyurethane Bag Mold includes Machined Base, Inner Core, Outer Case and may require Alignment Pin
  • Polyurethane Plug Mold may or may not require Alignment Pin
  • Alignment Pin -- required for non-standard hole size in creating custom centering hole in bag or plug
  • Polyurethane Pour Spider may be required depending on design