Coloring Marker Nibs and Reservoirs

As a global leader in the science of ink flow management, Porex has a broad portfolio of products to optimize your coloring marker’s performance. Porex coloring marker nibs are designed with the perfect porosity and capillarity. When paired with our reservoir technology, which uses optimal fiber type, density, and wrap for your marker, you can create the ultimate ink flow management engine that maximizes ink utilization and provides the highest degree of leak protection. Made from a variety of thermoplastic materials with varying properties, our materials are moldable for high volume applications and customizable for easy fabrication and conversions. We provide large sheets, rolls, or other material formats specific for your needs.

Porex offers two distinct nib technologies depending on the specific design needs of your coloring marker writing instrument:

• POREX® sintered particle nibs are 3D-molded porous plastic nibs with the ideal mix of porosity and capillarity to deliver ink to the writing surface. Safe for children’s applications, our sintered PE nibs write with a smooth, durable feel.
• POREX® polyester fiber nibs are a combination of polyester fiber and bonding resin, optimized for high ink flow and shaped to your coloring marker’s specifications.

Porex XPE® reservoirs are formed from a controlled density of fibers in an extruded seal, allowing you to contain and deliver the maximum amount of ink to your coloring markers. Capillary forces and materials are customized to your specific requirements and to ensure leak protection.