Thermoplastic, polycaprolactone, it's a biodegradable plastic, with low melting point, it's a good choice for prototype.

Material: Polycaprolactone, because of the properties of the material and the high quality, it's safe for food contact, skin contact.

Melting point: around 60C.  so it's easy for process into different moulding, prototype by hand.

Molecular weight: 80,000, 60,000 available.