Rampf Raku-Tool PH-3903 / PC-3403 – Slow Polyourethane Resin for Casting

Key Properties

• Can be cast in thick layers and large volumes
• Low exothermic reaction in layers >600-1000mm With direct casting (filled) >250mm up to max. 350 mm
• High mechanical properties (filled and unfilled)
• Minimal shrinkage
• Superior interlayer adhesion
• Casting viscosity can be adjusted
• Easily repaired or modified
• Recyclable

Applications

• Metal sheet forming tools
• Production of undersized cores for foundry patterns/core boxes
• Vacuum forming molds
• RIM molds
• Molds for prototyping
• Suitable for a wide range of full and face casting

Processing

The processing and material temperature should be between 20-25 ºC.

The A component needs to be stirred well before use as some fillers might be prone to sedimentation. Mix the two components thoroughly in the ratio indicated. Degassing and /or post-curing will improve final properties.

Packaging

• RAKU-TOOL® PC-3403
  • 5 kg / 25 kg / 1000 kg
• RAKU-TOOL® PH-3903
  • 4 kg / 20 kg / 1000 kg
• RAKU-TOOL® AC-9004
  • 20 kg / 1000 kg

Storage

Original containers should be kept tightly sealed and stored at ambient temperatures (15°C to 30°C). If properly stored the products have the shelf-life indicated on the product label. Partly used containers should always be sealed appropriately and used up as soon as possible.

Handling Precautions

Good workplace ventilation is to be ensured during processing. At the same time, the employer’s liability insurance association’s industrial hygiene safety regulations regarding the handling of reaction resins and their hardeners are to be observed. Please take heed of the appropriate safety data sheets.