Silica Gel (orange)

Our orange silica gel is a powerful and reliable moisture absorber in loose 3–5 mm beads, suitable for a wide range of applications where low humidity is essential. It is widely used for the dry storage of 3D printer filament, helping to prevent brittle filament, poor layer adhesion, and printing defects. Ideal for PLA, PETG, ABS, and other hygroscopic filaments.

In addition to 3D printing applications, orange silica gel is also ideal for protecting electronic devices, use in air filtration systems, and as a relative humidity (RH) buffer in applications such as display cases, museums, pianos, and storage areas.

Benefits of orange silica gel beads

• Reusable.
• With colour indicator.
• Safe to use.
• Suitable for 3D printers and electronics.

Colour indicator and reusability

An important advantage of orange silica gel compared to white silica gel is the built-in colour indicator. When the relative humidity exceeds 20% RH, the granules change colour from orange to green/blue.

• Orange: active and ready for use.
• Green/blue: saturated with moisture.

Once the colour changes, you know immediately that the silica gel needs to be regenerated.

Free from harmful substances

Our orange silica gel:

• Is non-hazardous and environmentally friendly.
• Is free from heavy metals.
• Contains no DMF (dimethyl fumarate).

This makes the silica gel safe to use and suitable for long-term applications, including enclosed environments and sensitive equipment such as 3D printers.

Applications

Use RESION silica gel for the following applications:

• Keep 3D printer filament dry.
• Protect electronics and use in air filtration systems.
• Use as an RH buffer for display cases, museums and instruments.

Reusing silica gel (regeneration)

When the orange silica gel has changed colour to green/blue, it can easily be reused:

1. Spread the used silica gel evenly on baking paper or aluminium foil.
2. Place the granules in a well-ventilated oven at a maximum of 80 °C.
3. Allow the silica gel to dry for between 30 minutes and 3 hours, until the original orange colour has fully returned.

Note: heating above 80 °C may damage the granules and reduce their moisture-absorbing performance.

Specifications

Contents: 0.75 kg, 2 kg, 5 kg, 10 kg, 25 kg
Colour: orange
Colour when saturated: green/blue
Granule size: 3-5 mm (coarse)
Reusable: yes