Isostatic Press Assemblies and Rubber Products

Natural Latex and Neoprene Isostatic Molds


Natural Latex Rubber Designs:

Trexler Rubber will design and produce custom mold sizes and shapes.
We also offer over 500 sizes of cylinders and rectangles.
Please contact us and we will turn your idea into a product.

Material Selections:


Rubber Isostatic Molding Diagram

Metal Sealing Ring

Normally 1/8" - 1/4" aluminum. The sealing ring is matched to the top-closure inside diameter for a tight seal.


Latex Top Closure

The top-closure outside diameter is sized to the bag's inside diameter for tight fit. A de-airing tube is optional. A polyurethane fill cap also available.

Top closure options











Latex Pressing Bag

Standard wall thicknesses are .0625" (1/16") or .125" (1/8").

Latex pressing bag options


























Metal Container

Constructed from perforated aluminum, the container
is sized to support the rubber pressing bag.

Metal container options



Latex Bag with Inside Neck Perforated Container and Closure with Tube

Latex Bag with Inside Neck
Perforated Container and Closure with Tube

Latex Bag with Outside Neck and Closure

Latex Bag with Outside Neck and Closure

Latex Triangular Bag with Outside Round Neck and Closure with Tube

Latex Triangular Bag
with Outside Round Neck and Closure with Tube

Latex Bag with inside neck and Closure with tube

Latex Bag with Inside Neck and Closure with Tube

Latex Bag Assembly: Bag, Container, Closure with Tube Minor ID Seal Ring and Majro ID Seal Ring

Latex Bag Assembly: Container, Bag, Closure with Tube
Minor ID Seal Ring and Major ID Seal Ring

Latex Donut Assembly: Donut Bag, Donut Closure with Tube, Container with Removable Mandrel, and ID/OD Seal Ring

Latex Donut Assembly:
Donut Bag, Donut Closure with Tube,
Container with Removable Mandrel
and ID/OD Seal Ring.

Latex Closure with Tube and Urethane Fill

Latex Closure with Tube and Urethane Fill

Latex Bag Complex Shape Assembly: Bag, Container, Closure with Tube and Seal Ring

Latex Bag Complex Shape Assemply:
Bag, Container, Closure with Tube and Seal Ring

Latex Bag Assembly: Solid Mandrel with Base, Container, Bag, and Polyurethane Plug with Tube

Latex Bag Assembly: Solid Mandrel with Base,
Container, Bag, and Polyurethane Plug with Tube