Altropol Polyurethane Casting Resin D70 is a professional-grade, two-component PU casting resin that delivers exceptional results — fast. Whether you're casting a mold, replicating fine details, or building a prototype, D70 ensures high strength, low shrinkage, and crisp precision.

This polyurethane resin cures quickly (as fast as 15 minutes), can be poured up to 40 mm thick (with filler), and works with or without additives. Perfect for industrial use, creative projects, and advanced DIYers. 

Ideal for: 

• Molds, models, and design prototypes
• Industrial replicas and technical parts 
• Sculpture casting and art installations 
• Fine detail replication 
• Fast production and repair molds 

Why choose Polyurethane Casting Resin D70? 

✔ Fast curing – Demolding from 15 minutes 
✔ High detail – Excellent flow for sharp edges and complex shapes 
✔ Flexible use – Pour with or without filler depending on your needs 
✔ Thick castings – Up to 40 mm per layer (with filler) 
✔ Precise & stable – Low shrinkage for reliable results 
✔ Strong & durable – Shore D 70–80 depending on formulation 
✔ Works with silicone molds – Ideal for professional moldmakers 
✔ Tested & proven – Popular in industrial and creative sectors 

How to you use Altropol PU Casting Resin D70

Step 1 – Shake both components thoroughly to mix in any sediment 
Step 2 – Weigh parts A and B in a 1:1 ratio by weight 
Step 3 – (Optional) Mix filler into each component before combining 
Step 4 – Combine A and B and mix vigorously for 30 seconds 
Step 5 – Pour the mixture into the mold in a thin stream to avoid bubbles 
Step 6 – Let cure fully before demolding 

Tip: For castings over 30 mm thick: pour in layers and allow each to gel before adding the next to prevent overheating. 

Watch the video below to see how it works!

Technical Specifications

Without Filler

With Filler

The more filler, the less heat is generated and the thicker you can pour in one go.

Storage & Shelf Life

✔ Store between 6–28°C in a dry place.
✔ Process opened packages as quickly as possible.
✔ Shelf life : 6 months when stored properly.

Before using the product, shake or mix well to prevent sedimentation!

Safety & Regulations 

This polyurethane casting resin contains diisocyanates. From August 2023, EU regulations require certified training for professional use. 

• Always wear gloves, goggles, and respiratory protection 
• Ensure proper ventilation 
• Avoid contact with skin or eyes 
• See safety data sheets for full H- and P-statements 

Warning: Training is required for use of diisocyanates. please consult the official safety data sheets . 

PLEASE NOTE: Since August 2023, polyurethane with a diisocyanate content of more than 0.1% may only be used in companies where employees have completed the required training courses.

Companies can register for an online training via THIS link.

You can also read more information here .

Safety requirements

The products are generally quite harmless to use, provided that the usual precautions are taken when processing chemical products. For example, neither component may come into contact with food or cutlery. Contact with the skin of one or both components must be avoided, as people with sensitive skin will react to this. For further information, see safety data sheets.

Further important safety information

H-Code hazard statements

H315 Causes skin irritation.

H317 May cause an allergic skin reaction.

H319 Causes serious eye irritation.

H332 Harmful if inhaled.

H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled.

H335 May cause respiratory irritation.

H351 Suspected of causing cancer.

H373 May cause damage to the lung and respiratory system through prolonged or repeated exposure.

H411 Toxic to aquatic life with long lasting effects.

EUH204 Contains Isocyanates. May produce an allergic reaction

P-Code precautions

P260 Do not breathe dust/fume/gas/mist/vapours/spray.

P264 Wash thoroughly after handling.

P273 Avoid release to the environment.

P280 Wear protective gloves/protective clothing/eye protection/
face protection/hearing protection.

P284 [In case of inadequate ventilation] wear respiratory protection.

P305+P351+P338 IF IN EYES: Rinse cautiously with water for several
minutes; remove contact lenses, if possible; continue rinsing.

P337+P313 If eye irritation persists: Get medical advice/attention.

P405 Store locked up.

P501 Dispose of contents/container in accordance with local/regional/national/
international regulations.

Documentation

Information sheet Polyurethane Casting System D70

Manual Casting with PU kit

Please contact us for the safety data sheets

Ready to get started? Order now! 

Whether you're creating precision molds, industrial prototypes, or detailed art pieces — Polyurethane Casting Resin D70 gives you the speed, strength, and reliability to bring your ideas to life. Order today and experience professional casting results at your fingertips. 

Fast curing. High detail. Serious performance. Buy now!