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Tutorials & Videos

Find Polytek® tutorials based on Product Type, Application or Mold Making and Casting Technique.
Mold Making Tips: Mold Rubber Hardness

Polytek® "Tek-Tip" videos feature information and tips related to mold making and casting.

 

In this "Tek-Tip" video, we discuss mold rubber hardness. We cover:

 

How to Make a Rubber Stamping Mat for Concrete [Cobblestone Model]

In this video, we demonstrate how to make a concrete stamping mat out of polyurethane rubber. We use cobblestone as our model and Poly 75-80 as our rubber mold material.

 

How to Make a Concrete Texture Mat [Slate Model]

In this video, we show you how to create a rubber texture mat from real slate. Texture mats are commonly used as concrete texturing tools and can be created from a variety of natural surfaces.

How to Make a Brush-On Mold with Mold Shell [Part II]

Part I of this video tutorial demonstrates how to make a brush-on mold using tin-cured silicone rubber (TinSil® 80-30). 

 

How to Make a Brush-On Mold with Mold Shell [Part I]

Part I of this video tutorial demonstrates how to make a brush-on mold using tin-cured silicone rubber (TinSil® 80-30). 

 

Rubber Molds for Casting Slate-Textured Concrete Coasters

For the 2014 World of Concrete Expo, we are giving away rubber molds to expo attendees so they can cast their own concrete coasters.

 

Architectural Restoration: Making a Rubber Mold of a Plaster Column

This video tutorial features the making of a brush-on rubber site mold.

How to Make a Rubber Mold to Cast Concrete Pavers/Stepping Stones

This video tutorial details the process of making a Poly 75-70 polyurethane rubber mold of a concrete stepping stone.

Casting “Warped” Concrete Tables in Rubber Molds

This video tutorial details the process of casting side-by-side “warped” concrete tables in a Polytek® Poly 74-45 polyurethane rubber mold.

How to Bend or Warp Decorative Concrete in Rubber Molds

This video tutorial details the process of casting warped decorative concrete elements in rubber molds made from our liquid mold rubber.