Model Making Materials

Two Part Polyurethane Foam.

A 2-part polyurethane foam kit that is mixed 1:1 by volume that expands up to 25 times, used for many applications including filling out hollow castings & creating light weight props.

• Kit size: 2kg (1kg part A / 1kg part B).
• Density: 1kg/0.029m³ (2.2lb/cu.ft.) Closed cell content - 90%
• 1kg expands to approximately 1 cubic foot.
• Mix: equal parts Part B to Part A by volume.
• Best to mechanically mix for 20 seconds.
• The foam will start to rise after 30-40 seconds.
• Pour  immediately limiting thickness to 150mm per pour.
• Very large voids can be filled by multiple pours allowing sufficient cooling time between.
• Information sheet
• Data sheet (part A)
• Data sheet (part B)

This water blown PU foam system is suitable for in-situ marine buoyancy and for making bespoke single seater and sports car seat inserts.