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VIDEO TUTORIAL

USED IN THIS PROJECT

Although not necessarily an exhaustive list, the following tools and materials, supplied by Easy Composites, were used in this project.

The quantity shown below is the approximate amount used in the project rounded up to the nearest available kit size or quantity.

MATERIALS & CONSUMABLES
Xencast Resin Casting Starter Kit Thumbnail
XRCSKXencast Resin Casting Starter Kit€48.35 /kit

Nitrile Gloves Thumbnail
NG[P]Nitrile Gloves* /each

Soft Filleting and Filling Wax 325g Thumbnail
FILLWAX-330Soft Filleting and Filling Wax 325g€7.15 /block

Large Mixing / Gel Spray Gun Cups Thumbnail
GSCG-CUPLarge Mixing / Gel Spray Gun Cups€0.40 /each

Medium Mixing Cup / Catch-Pot Liner Thumbnail
CPLINERSMedium Mixing Cup / Catch-Pot Liner€0.25 /each

CS25 Condensation Cure Silicone Rubber 1kg Kit Thumbnail
CS25-1CS25 Condensation Cure Silicone Rubber 1kg Kit€24.05 /kit

Xencast P2 Fast Cast Polyurethane Resin 1kg Kit Thumbnail
P2-1Xencast P2 Fast Cast Polyurethane Resin 1kg Kit€22.50 /kit

Long Mixing Sticks Pack of 25 Thumbnail
MIXL25Long Mixing Sticks Pack of 25€2.10 /pack

Mirka Wet and Dry Combination Pack 50 Sheets Thumbnail
WPFCOMB-50Mirka Wet and Dry Combination Pack 50 Sheets€27.60 /pack

Fluted Signboard 4-Pack 610 x 610mm Thumbnail
FSB-03Fluted Signboard 4-Pack 610 x 610mm€10.70 /pack

Copper Metal Powder 250g Thumbnail
FP-COP-025Copper Metal Powder 250g€10.80 /pack

Aluminium Metal Powder 250g Thumbnail
FP-ALU-025Aluminium Metal Powder 250g€10.95 /pack

Total €0.00
TOOLS & EQUIPMENT
10kg High Capacity Digital Scales Thumbnail
SCALE10KG10kg High Capacity Digital Scales€13.50 /each

Perma-Grit Sanding Block Large Thumbnail
SB280Perma-Grit Sanding Block Large€30.10 /each

Total €0.00

VIDEO TUTORIAL

Cold Casting using Polyurethane Resin and Metal Powders

In this video tutorial we have used this fun project demonstrating how to turn a plastic toy into a unique cold casting using the Xencast Resin Casting Starter Kit and Metal Powders.

The step by step process using metal powders in resin casting includes creating a splash mould using the CS25 Condensation Cure Silicone Rubber & Catalyst then casting a splash part from Xencast P2 Fast Cast Polyurethane casting resin.

The splash part is then modified using Mirka abrasive paper and a Perma-Grit sanding block. The process is then repeated to create the final production mould with the CS25 Condensation Cure Silicone Rubber & Catalyst and cast the final metal part – adding the metal powder to the Xencast P2 before cold casting and finally revealing the amazing metallic effect and finish.

Different looks can be achieved using different metal powders – we have Bronze, Brass, Copper and Aluminium Powders available.

In addition to the items on the shopping list on the right you will also need - a glue gun, black spray paint, steel wool, a cutting board, a craft knife, a screwdriver and a small tube or rod.


INTRODUCTION

Preparing the original

1. Preparing the original

If you want to create a mould and cast exact replica's of your original you will not need to create a splash mould and splash part - you can create your final and only mould straight away.

From the original toy we will be creating a bust piece (head and shoulders) so need to remove the arms and reposition the head. Then use filleting wax to plug any gaps like the one around the head and neck, this will stop any silicone leaking inside the toy.

Then create a mould box or use a ready made watertight container which allows for a 5-10mm gap all around the original, suspend the original from above using the tube and secure into place using the glue gun.


TUTORIAL BREAKDOWN

Creating a splash mould and part

1. Creating a splash mould and part

To create the Splash Mould: Weigh out and mix the silicone rubber and catalyst. Mix steadily to minimise air bubbles and scrape the sides and bottom of the pot until you reach a consistent colour. Then pour over the original and leave to cure for 24 hours. Once cured remove the mould box and using a zigzag cut to remove the original from the mould. Finally tape up the splash mould ready for casting.

To create the Splash Part: Weigh out equal amounts of Parts A and B of the Xencast® P2 Fast-Cast Resin according to the manufacturers instructions and mix steadily. This resin begins to cure within 2-3 minutes so remember to work quickly. Pour the resin into the mould, tipping and rolling so it gets into detailed areas, then leave to cure.

The cure time for this resin is 30 minutes, then demould the splash part and make any modifications like reshaping the base and shoulders.

Creating the final mould

2. Creating the final mould

Use filleting wax to add to the base shape if required, it will also secure the piece to the base of the container. Create a new mould box, then repeat the silicone process and pour the final mould and leave to cure for 24 hours.

Cold casting the metal part

3. Cold casting the metal part

Tape the final mould up ready for use and measure out a new batch of resin.

Measure out your choice of metal powder by volume rather than weight equal to two times the volume of Part A of the resin and mix together until all the powder is mixed in. The add Part B and mix again thoroughly and pour into the mould. Then leave to cure.

Finishing the cold cast part

4. Finishing the cold cast part

When you first remove the part from the mould you will see it is metal coloured but it's appearance is not metallic. You will need to abrade the surface to reveal the effect.

Use a sanding block and abrasive papers to finish the base, then use steel wool to abrade the piece all over. As soon as you start to rub with steel wool you will reveal the metallic effect.

To create extra effects you can use a spoon on the surface to burnish the piece. This will create highlights which look amazing. We also used black spray paint all over the piece and them rubbed off again with steel wool to leave the paint in the recesses, this gives great contrasting detail.


DISCUSSION (0)

Please share any questions or comments you may have about this video tutorial.

LEAVE A COMMENT OR QUESTION

Note: Your name will be abbreviated and your email address will only be used to email you the answer directly

USED IN THIS PROJECT

Although not necessarily an exhaustive list, the following tools and materials, supplied by Easy Composites, were used in this project.

The quantity shown below is the approximate amount used in the project rounded up to the nearest available kit size or quantity.

MATERIALS & CONSUMABLES
Xencast Resin Casting Starter Kit Thumbnail
XRCSKXencast Resin Casting Starter Kit€48.35 /kit

Nitrile Gloves Thumbnail
NG[P]Nitrile Gloves* /each

Soft Filleting and Filling Wax 325g Thumbnail
FILLWAX-330Soft Filleting and Filling Wax 325g€7.15 /block

Large Mixing / Gel Spray Gun Cups Thumbnail
GSCG-CUPLarge Mixing / Gel Spray Gun Cups€0.40 /each

Medium Mixing Cup / Catch-Pot Liner Thumbnail
CPLINERSMedium Mixing Cup / Catch-Pot Liner€0.25 /each

CS25 Condensation Cure Silicone Rubber 1kg Kit Thumbnail
CS25-1CS25 Condensation Cure Silicone Rubber 1kg Kit€24.05 /kit

Xencast P2 Fast Cast Polyurethane Resin 1kg Kit Thumbnail
P2-1Xencast P2 Fast Cast Polyurethane Resin 1kg Kit€22.50 /kit

Long Mixing Sticks Pack of 25 Thumbnail
MIXL25Long Mixing Sticks Pack of 25€2.10 /pack

Mirka Wet and Dry Combination Pack 50 Sheets Thumbnail
WPFCOMB-50Mirka Wet and Dry Combination Pack 50 Sheets€27.60 /pack

Fluted Signboard 4-Pack 610 x 610mm Thumbnail
FSB-03Fluted Signboard 4-Pack 610 x 610mm€10.70 /pack

Copper Metal Powder 250g Thumbnail
FP-COP-025Copper Metal Powder 250g€10.80 /pack

Aluminium Metal Powder 250g Thumbnail
FP-ALU-025Aluminium Metal Powder 250g€10.95 /pack

Total €0.00
TOOLS & EQUIPMENT
10kg High Capacity Digital Scales Thumbnail
SCALE10KG10kg High Capacity Digital Scales€13.50 /each

Perma-Grit Sanding Block Large Thumbnail
SB280Perma-Grit Sanding Block Large€30.10 /each

Total €0.00

DISCUSSION (0)

Please share any questions or comments you may have about this video tutorial.

LEAVE A COMMENT OR QUESTION

Note: Your name will be abbreviated and your email address will only be used to email you the answer directly

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