Downloads (2)

This is a chemical product. Before storage or use you must download and read the accompanying safety and technical datasheets.

Safety Datasheet (SDS)684 KB
Technical Datasheet (TDS)343 KB

Specification

Product Data
ColourClear
Chemistry / MaterialPolyurethane
Viscosity225mPa.s
UV StabilityFully UV Stable
BrandEasy Composites
Pot Life (Typical)7mins
Initial Cure Time1Hrs
Mechanical Properties
Max Service Temp88°C
Tg Onset (DMA)46 - 50°C
Cured Mechanical Properties
Hardness87 (Hard)Shore D
FlexibilityHard / Rigid
Tensile Strength60 - 64MPa
Flexural Strength95 - 100MPa
Flexural Modulus2150 - 2450GPa
Elongation at Break4.5 - 5.5%
TG Onset (3hr Postcure 80C)60C
TG Onset (6hr Postcure 100C)88C
Linear Shrinkage0.2%
General Properties
Gross Weight2.129kg

Shipping Information

In the currently selected pack size, this product is classed as 'Limited Quantity Dangerous Goods' for the purposes of transport. This means that transport restrictions apply to certain destinations.

No restrictions or surcharges shipping by road to:

UK, Ireland, Channel Islands, Isle of Man, Austria, Belgium, France, Germany, Luxembourg, Monaco, Netherlands, Norway, Finland, , Czech Republic, Denmark, Hungary, Italy, Poland, Portugal, Spain, Andorra, Switzerland, Estonia, Latvia, Lithuania, Slovakia, Slovenia, Sweden

Shipping possible by airfreight (£55 surcharge applies) to:

United States, Finland, Bahrain, Hong Kong, Japan, Republic of Korea, Kuwait, Singapore, Taiwan, United Arab Emirates, Trinidad and Tobago

Can't ship to:

All other countries. If your country is not listed above then unfortunately we can't ship this product to you.

For very large orders, specialist shipping can be arranged. Please contact us to discuss.

PC15 Water Clear Polyurethane Casting Resin

PC15 Water Clear Polyurethane Casting Resin is an industry standard in high performance, ultra-clear polyurethane casting resins. This optically clear PU resin is 100% UV stable and can be used for jewellery-making, object embedding/encapsulation, clear casting and rapid prototyping - including casting light lenses.

This is an industrial product not suitable for home-use. Vacuum degassing is recommended.

Sold as a kit (Part A and Part B). Available to buy online in 1.8kg and 9.175kg kits.


PRODUCT VERSIONS

Kit Size

AVAILABILITY:7 in stock available for immediate shipping


PRICE
£59.94inc. VAT
(£33.30 /KG)
7 in stock available for immediate shipping
QTY
EACH
EACH
We won’t be beaten on price!

If you believe you’re buying an equivalent product cheaper elsewhere, contact us to discuss your requirements.

Easy Composites' PC15 Polyurethane Water Clear Casting Resin is a two part hand casting resin that is water clear when cured. This advanced resin formula is UV stable, resistant to shrinkage and easy to use. It is ideal for rapid prototyping, embedding or any type of clear casting. Although vacuum degassing is not essential, for bubble free results we would recommend vacuum degassing.

Typical Uses

This clear PU casting resin is perfect for object embedding (including electronic components, LEDs) creative embedding, rapid prototyping or any type of casting where an ultra clear or coloured translucent part is required. The resin can be used with or without vacuum degassing, however for best results we recommend vacuum degassing the resin.

Advantages

  • Optically clear
  • UV stable
  • Polishable to a high gloss
  • Low viscosity
  • Easily pigmented
  • Fast curing
  • Mercury-Free

Further Information

Translucent Tinting Pigments

PC15 Waterclear Polyurethane Casting Resin can easily be tinted with our range of Translucent Tinting Pigments to create stunning colour effects from subtle tints to vivid, vibrant colours.

Simply add a drop or less of these special pigments to your water clear castings for amazing colour effects.

Colour tinting in this way can bring vivid life to lighting prototypes, jewellery and artwork.

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 PC15.

Please download the technical datasheet for full details.

  • Compatible Moulds
  • Addition/platinum cure RTV silicone rubber
  • Polypropylene and polyethylene mould 'trays'
  • Release coated plastic mould forms and boxes
  • Compatible Pigments
  • Polyurethane Colour Pigment (for vivid opaque colours)
  • Translucent Tinting Pigment (for less vivid opaque colours)
  • Compatible Additives
  • Metal filler powders
  • Pearlescent filler powders
  • 'Glow in the dark' powders

Key Processing Information

  • Ease of Use
  • Suitable for professional and hobby use (follow SDS advice).
  • Odour
  • WaterClear Polyurethane is a low odour resin system.
  • Appearance
  • Water Clear colour.
  • Safety Precautions
  • Wear gloves and goggles and work in a well ventilated area. Always read the SDS before use.
  • Ambient Conditions
  • Can be used from 10 to 30°C although pot-life and cure time will be affected significantly.
  • Degassing
  • Although not essential, vacuum degassing will eliminate any remaining air bubbles.
  • Mix Ratio
  • Mix 100 parts of Part A with 120 parts of Part B by weight. Use digital scales.
  • Mixing
  • Mix thoroughly by hand for at around 2-3 minutes
  • Pot-Life<
  • 6-8 minutes. Be sure to pour your casting(s) before this time.
  • Thin Sections
  • Thin sections will cure more slowly than thick sections. Make sure you allow enough time for thin sections to cure.
  • Cure Time/Demould
  • Larger castings will heat up more and cure quicker than small castings. Typical demould time is 60 Minutes at 25°C however allow a minimum of 48 hours before machining or polishing.
  • Pigments and Fillers
  • Pigment using polyurethane colour pigments or translucent tinting pigments.

Easy Composites' PC15 Polyurethane Water Clear Casting Resin is a two part hand casting resin that is water clear when cured. This advanced resin formula is UV stable, resistant to shrinkage and easy to use. It is ideal for rapid prototyping, embedding or any type of clear casting. Although vacuum degassing is not essential, for bubble free results we would recommend vacuum degassing.

Typical Uses

This clear PU casting resin is perfect for object embedding (including electronic components, LEDs) creative embedding, rapid prototyping or any type of casting where an ultra clear or coloured translucent part is required. The resin can be used with or without vacuum degassing, however for best results we recommend vacuum degassing the resin.

Advantages

  • Optically clear
  • UV stable
  • Polishable to a high gloss
  • Low viscosity
  • Easily pigmented
  • Fast curing
  • Mercury-Free

Further Information

Translucent Tinting Pigments

PC15 Waterclear Polyurethane Casting Resin can easily be tinted with our range of Translucent Tinting Pigments to create stunning colour effects from subtle tints to vivid, vibrant colours.

Simply add a drop or less of these special pigments to your water clear castings for amazing colour effects.

Colour tinting in this way can bring vivid life to lighting prototypes, jewellery and artwork.

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 PC15.

Please download the technical datasheet for full details.

  • Compatible Moulds
  • Addition/platinum cure RTV silicone rubber
  • Polypropylene and polyethylene mould 'trays'
  • Release coated plastic mould forms and boxes
  • Compatible Pigments
  • Polyurethane Colour Pigment (for vivid opaque colours)
  • Translucent Tinting Pigment (for less vivid opaque colours)
  • Compatible Additives
  • Metal filler powders
  • Pearlescent filler powders
  • 'Glow in the dark' powders

Key Processing Information

  • Ease of Use
  • Suitable for professional and hobby use (follow SDS advice).
  • Odour
  • WaterClear Polyurethane is a low odour resin system.
  • Appearance
  • Water Clear colour.
  • Safety Precautions
  • Wear gloves and goggles and work in a well ventilated area. Always read the SDS before use.
  • Ambient Conditions
  • Can be used from 10 to 30°C although pot-life and cure time will be affected significantly.
  • Degassing
  • Although not essential, vacuum degassing will eliminate any remaining air bubbles.
  • Mix Ratio
  • Mix 100 parts of Part A with 120 parts of Part B by weight. Use digital scales.
  • Mixing
  • Mix thoroughly by hand for at around 2-3 minutes
  • Pot-Life<
  • 6-8 minutes. Be sure to pour your casting(s) before this time.
  • Thin Sections
  • Thin sections will cure more slowly than thick sections. Make sure you allow enough time for thin sections to cure.
  • Cure Time/Demould
  • Larger castings will heat up more and cure quicker than small castings. Typical demould time is 60 Minutes at 25°C however allow a minimum of 48 hours before machining or polishing.
  • Pigments and Fillers
  • Pigment using polyurethane colour pigments or translucent tinting pigments.

Downloads (2)

This is a chemical product. Before storage or use you must download and read the accompanying safety and technical datasheets.

Safety Datasheet (SDS)684 KB
Technical Datasheet (TDS)343 KB

Specification

Product Data
ColourClear
Chemistry / MaterialPolyurethane
Viscosity225mPa.s
UV StabilityFully UV Stable
BrandEasy Composites
Pot Life (Typical)7mins
Initial Cure Time1Hrs
Mechanical Properties
Max Service Temp88°C
Tg Onset (DMA)46 - 50°C
Cured Mechanical Properties
Hardness87 (Hard)Shore D
FlexibilityHard / Rigid
Tensile Strength60 - 64MPa
Flexural Strength95 - 100MPa
Flexural Modulus2150 - 2450GPa
Elongation at Break4.5 - 5.5%
TG Onset (3hr Postcure 80C)60C
TG Onset (6hr Postcure 100C)88C
Linear Shrinkage0.2%
General Properties
Gross Weight2.129kg
Can’t find the answer you’re looking for?Ask our technical team a question.

Glass Bubbles can be added to most resins to reduce the density of the cured material. However, bear in mind that they will reduce the clarity of the GlassCast resin, making it more of a translucent 'milky' appearance rather than transparent.

This rather depends on the environment the sculpture would be in because you will need to consider the UV stability of the resin you use. Also, it's not clear from your question whether you need the resin to be thick (like a filler) so that it can fill gaps or whether a normal liquid viscosity would be OK.

I'll assume that this is either an indoor or a semi-shaded environment (not permanent direct sunlight) in which case our XCR Coating Resin is a clear epoxy resin that would be liquid in its normal state, allowing you to direct it into cracks or gaps in the piece. It also has excellent UV stability (for an epoxy resin) so providing you're not looking at permanent direct sunlight then it should be fine.

If you need a thicker consistency then you'll find that anything you add to make the resin thicker will affect its clarity (making it milky) which may or may not be a problem. If you do want to make the resin thick (like a filler) then you could add Fumed Silica which is a white powder that can be added to resins to make them thick and self supporting.

Yes you can. For best results we recommend pouring any subsequent layers once the previous layer has become firm and tacky but not fully cured. This way you should be able to achieve a nice uniform optical clarity throughout the casting (i.e. no whiteness-mark from the join line. Given the fact that the resin is quite reactive, this method of multiple pours is necessary for larger or thicker castings.

No we would not recommend its use in this application for actual vehicle headlights. The resin would not have the mechanical durability and the heat resistance for use as an actual headlight lens. However, for scale model applications, these issues are not a factor and as such the resin could be used to replicated a model car headlight lens.

The toxic to aquatic life statement on the datasheets refers to the uncured components (in their liquid form). Once cured the resin should be totally stable and inert. However, it is possible to for a product to be officially tested and certified as 100% safe for aquatic life which this product has not undergone.

Like most water clear resins, you'll tend to get best results from addition cure (platinum cure) silicone moulds however we have found that we do get good results when casting this resin into our CS25 condensation cure silicone. You're most likely to run into problems if the resin exotherms excessively during cure (so, for larger castings where the resin will get hotter) because this can heat the silicone mould and drive moisture out of the silicone which reacts with the resin (i.e. causes small air bubbles). For smaller castings where the resin doesn't heat up excessively, we haven't seen any issues.

As for the viscosity, it's really very low and will flow and fill a mould quickly and easily.

Does this casting resin have the same tackiness properties as the polyester casting resin when cured exposed to the air?

Our Water Clear Polyurethane Casting Resin does NOT cure with a tacky finish when exposed to air, such as the top of an open mould. It cures to a hard and tack free finish.

Once fully cured, you can flat and polish the cast polyurethane just like any other hard plastic so use a range of abrasive papers to flat and finish the plastic, starting with the coarser grits and working your way up to 1200 grit and then finally you can polish to a full gloss using a cutting compound like the Pai Cristal NW1.

The Water Clear PU casting resin is a very low odour resin. However, it is a professional product and it's still very important to work in well-ventilated area and follow all the precautions outlined in the Safety Data Sheet. Once correctly cured, the plastic will be totally inert and odourless.

Our Water Clear PU resin can be cast in sections as thin as 2mm. This should be fine for the larger scale models where a thicker section works fine. However this may mean that small scale models the resin is unsuitable.

No, our Water Clear PU has a fairly low heat distortion temperature of 48-50°C and as such would likely be marked and damaged by hot drinks and plates.

Yes, it's Shore D (i.e. it's very hard). I've now added this information to the product page to help others.

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Shipping Information

In the currently selected pack size, this product is classed as 'Limited Quantity Dangerous Goods' for the purposes of transport. This means that transport restrictions apply to certain destinations.

No restrictions or surcharges shipping by road to:

UK, Ireland, Channel Islands, Isle of Man, Austria, Belgium, France, Germany, Luxembourg, Monaco, Netherlands, Norway, Finland, , Czech Republic, Denmark, Hungary, Italy, Poland, Portugal, Spain, Andorra, Switzerland, Estonia, Latvia, Lithuania, Slovakia, Slovenia, Sweden

Shipping possible by airfreight (£55 surcharge applies) to:

United States, Finland, Bahrain, Hong Kong, Japan, Republic of Korea, Kuwait, Singapore, Taiwan, United Arab Emirates, Trinidad and Tobago

Can't ship to:

All other countries. If your country is not listed above then unfortunately we can't ship this product to you.

For very large orders, specialist shipping can be arranged. Please contact us to discuss.

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