GlassCast 10 Clear Epoxy Casting Resin
Casting Vs Coating
GlassCast 10 is formulated as a casting resin, not a coating resin. This means that whilst it offers the advantage of incredible clarity – even in thick sections – it does not cure with a perfect surface on the open face in the way that our GlassCast 3 coating resin does. However, GlassCast 10 can easily be flatted and polished to acheive a perfectly flat, glossy finish if required.
If your project is more about creating a flat glossy coating – straight from the pour – then our GlassCast 3 coating resin is probably a better option.
How to Use
Glass Cast 10 is extremely easy-to-use. It is low odour, easy to mix and measure and does not require vacuum degassing; in fact this amazing resin will drive tiny air bubbles out of the resin during the cure resulting in a perfectly clear, glass-like casting.
All Glass Cast resins have been designed to have exceptional behaviour in contact with wood making them the perfect choice for combining with a wide range of woods including products such as half-wood jewellery (like wood resin rings), paperweights, walking stick handles and furniture pieces.
Pigments and Tints
To create stunning translucent colours (like stained glass) just add a few drops of our resin tinting pigments. GlassCast can also be enhanced with metal powders, glitters and glow powders to achieve a huge range of decorative effects. It is the perfect clear resin for crafts of all kinds.
Our Glass Cast range of resins are compatible with many pigments and colouring powders on the market today. This includes epoxy compatible pigment pastes, various pigment powders and translucent tinting pigments. If the pigment manufacturer is not sure if the pigment is epoxy compatible then a small test should give you the answer you need. We stock a range of pigments that have all been tested and work great with all of our Glass Cast resins. You can find our range of pigments at the links below.
- Translucent Tinting Pigments
- Pearl Ex Pigment Powders
- Opaque Epoxy Compatible Pigment Pastes
How to Use
GlassCast 10 should always be mixed, poured and cured at a constant room temperature of around 20°C. Resin and hardener should be mixed 2 parts resin to 1 part hardener by volume (calibrated mixing pots).
For castings, GlassCast 10 can be poured into common mould materials such as silicone**, polyethylene and polypropylene without the need for any release agent. For thick coatings GlassCast 10 can be poured directly onto dry surfaces such as metal, concrete and wood following a light ‘keying’ of the material. For thicker castings up to 50mm, we recommend GlassCast® 50.
*Additional layer should be poured when the previous layer reaches the B-stage of the cure. If the resin has fully cured the surface on the previous layer must be keyed to ensure a strong mechanical bond.
**Unlike most water clear resins, GlassCast can be cast into Condensation/tin cure RTV silicone rubber moulds without any problems.
Compatibility Information – Dos and Don’ts
Although by no means an exhaustive list, the mould materials, pigments and additives listed below have all been tested and are known to work well with Glass Cast.
|Compatible Pigments||Compatible Fillers|
|· Addition/platinum cure RTV silicone rubber
· Epoxy gelcoat based moulds
· Polypropylene and polyethylene sheet
· Toughened Glass (e.g. flat sheet manufacture)
|· Epoxy Colour Pigment (for vivid opaque colours)
· Translucent Tinting Pigment (for less vivid opaque colours)
· PearlEx® powder pigments
· All dry filler powders *
· All metal powders (for realistic cold castings)
· Photoluminescent (glow in the dark) powders
Glass Cast should not be cast into Condensation/tin cure RTV silicone rubber moulds.
* Use dry filler powders with caution as in most cases they will reduce the clarity of the Glass Cast, with the more filler used resulting in a greater negative impact on clarity
Key Processing Information
Ease of Use
Suitable for professional and hobby use (follow SDS advice).
Glass Cast is almost odourless.
Wear gloves and goggles and work in a well-ventilated area. Always read the SDS before use.
Can be used from 15 to 30°C although pot-life and cure time will be affected significantly. For best results casting at an ambient of 20-25°C is required.
Not necessary. Simply mix and pour.
Mix ‘Resin and ‘Hardener’ 2:1 by weight. Use digital scales.
Mix thoroughly by hand for at around 3 minutes.
30 minutes. Be sure to pour your casting(s) before this time.
Resin will heat-up whilst it cures. Very large batches of mixed resin in a pot will quickly overheat (exotherm) and can smoke/ignite. Never leave mixed resin unattended.
Maximum thickness per layer is 15mm. Thicker projects will require multiple pours to a maximum recommended thickness of 25mm.
Initial cure time is 24 hours to touch dry. Full hardness achieved over several days, ambient temperature dependent.
Pigments and Fillers
A wide range of pigments and fillers (including metal powders) can be added to change the appearance of castings.
How much resin will I need?
For solid surfaces, it’s easy to calculate the amount of resin you’ll need to cover a given area. For uneven surfaces or those including embedments like pennies, crushed glass or bottle tops; some compensation will be required.
1kg = 1mm over 1sqm
You will require 1 kilo of resin per millimetre of thickness required over a 1 sqm area. Therefore, to calculate how much resin to mix, simply multiply the thickness you require (in millimetres) by the area of your surface (in square metres). Don’t forget that porous (absorbent) materials like wood should be sealed before the main pour. Typically for a grouted penny floor, we would recommend 2mm thickness over the pennies which equate to 2kg per square meter. Other projects the depth may vary.
Use the table below as a quick guide to how much resin you would need to cover different areas at a range of thicknesses:
Surface Area to Cover
|25cm x 25cm (0.0625sqm)||50cm x 50cm (0.25sqm)||50cm x 100cm (0.5sqm)||100cm x 100cm (1sqm)||
200cm x 100cm (2sqm)