Pads are made from a mixture of natural materials: powdered iron, salt, charcoal, water and vermiculite. This mixture is surrounded with a soft breathable membrane. In conjunction with oxygen the mixture heats up.
Attributes:
- Maximum temperature: 65°C.
- Average temperature: 55°C.
- Heat duration: approx. 8 hrs.
- Size: 88 × 54mm
- Not flammable.
- Nonhazardous / nontoxic.
- Single use item.
- Storage life: several years.
- Amount: pair.
- Weight: 48 g.
Advantages of Thermopads:
- easy to store,
- quick to replace,
- constant warmth for many hours,
- no pre-heating necessary,
- light and comfortable.
The advantages of the active charcoal warmers can clearly be seen when compared with the gel-heat pads already widespread in this country. These are also multi-functional, but have a decidedly shorter warmth span of about one hour. Apart from this, gel-pads bulky than thermopads.