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Two-component polyurethane system. PU casting resin PC26 (component A) + PU hardener G226 (component B). Very fluid casting resin (low viscosity), very short pot life and demoulding time for fast castings.
Odourless. For surface casting and solid casting. For embedding objects. Fast hardening and demoulding, low heat development (exothermic reaction), low shrinkage, especially when fillers are added. Is moulded in thin or thick layers. The production of large objects is only limited by the short pot life. Good colourability, mixes well with bronze and other metal powders. Can be processed with fillers.
Application:
Shake the closed resin container (component A) well before use so that any deposits can dissolve. Carefully mix component A and component B in a weight ratio of 100:100 and apply quickly. Make sure that all objects that come into contact with the polyurethane resin are absolutely dry, otherwise the hardening may be disturbed or undesirable foaming may occur.
Solid objects can be cast in layers. Successive layers bind chemically if they are applied within 10 minutes of the previous layer setting.
Can be thickened with fillers. Shrinkage is reduced by the more extensive use of fillers. If fillers (component C) are used, weigh component A, component B and component C e.g. in a weight ratio of 100:100:300. First mix the larger quantity of the filler with component B (PU hardener), the smaller quantity with component A (PU casting resin). Then mix both compounds carefully and process quickly.
TECHNICAL INFORMATION
Polyurethane resin PC26 (A)
Colour: white
Density at 25 °C: 0.98-1.00 g/cm³
Polyurethane hardener G226 (B)
Colour: yellow
Density at 25 °C: 1.10-1.12 g/cm³
| Components | A + B | A + B + C |
| Weight ratio | 100:100 | 100:100:300 |
| Pot life (25 °C, 40 mm, 100 ml) | 3-4 minutes | 5-7 minutes |
| Exothermic peak (25 °C, 40 mm, 100 ml) | 82°-92°C | 50°-60°C |
| Curing (25 °C, 100 ml) | 6-8 minutes | |
| Demoulding time (25 °C, 15 ml, 6 mm) | 1-1.5 hours | 1-1.5 hours |
| Max. recommended layer thickness | 5 mm | 30-70 mm |
| Linear shrinkage (25 °C, 5 mm, 24 hours) | 0,57-0,65 ‰ | 0,37-0,43 ‰ |
| Linear shrinkage (25 °C, 5 mm, 1 month) | 4,2 ‰ |
From 24 August 2023, appropriate training must be provided before industrial or commercial use
Polyurethane casting resin PC26 bianco - COMPONENTS A:
The product is subject to labelling according to GHS/CLP guidelines. Labelling according to Regulation (EC) 1272/2008:
UFI: 8XR2-Y0KV-F006-6PEP
GHS07, GHS09
Signal word: CAUTION
Contains: Ethylenediamine propoxylated
Bis(isopropyl)naphthalene
Hydrocarbons, C12-C15, n-alkanes, isoalkanes, cyclenes, 2% aromatics
Glycerin, propoxylated
Titanium Dioxide
H319 Causes serious eye irritation. H410 Very toxic to aquatic life with long lasting effects.
P264 Wash skin thoroughly after handling. P273 Avoid release to the environment. P280 Wear protective gloves / protective clothing / eye protection / face shield. P337 + P313 If eye irritation persists: Get medical advice / attention. P391 Take up spillage. P501 Dispose of contents/container to an authorised waste disposal plant.
Polyurethane hardener G226 COMPONENT B:
The product is subject to labelling according to GHS/CLP guidelines. Labelling according to Regulation (EC) 1272/2008:
UFI: T120-G081-600Q-X53N
GHS07, GHS08, GHS09
Signal word: DANGER
Contains: Diphenylmethane diisocyanate
4,4 i-methylene diphenyl diisocyanate
MDI modified with tripropylene glycol
Bis(isopropyl)naphthalene
o-(p-isocyanatobenzyl)phenyl isocyanate
H304 May be fatal if swallowed and enters airways. 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 (if inhaled). H373 May cause damage to organs (respiratory tract) through prolonged or repeated exposure. H411 Toxic to aquatic life with long lasting effects.
P260 Do not breathe dust / fume / gas / mist / vapour / aerosol. P273 Avoid release to the environment. P280 Wear protective gloves / protective clothing / eye protection / face shield. P301 + P310 If swallowed: Immediately call a poison centre or doctor. P304 + P340 If inhaled: Remove to fresh air and keep at rest in a position comfortable for breathing. P312 If you feel unwell, call a poison centre or doctor. P308 + P313 In case of exposure or if affected: Get medical advice / attention. P331 Do not induce vomiting. P391 Take up spillage.
EUH 204 Contains isocyanates. May cause an allergic reaction.
