Writing Instruments

Optimized ink delivery for your writing and printing systems

For more than 50 years, POREX® writing nibs and reservoirs have defined consumer expectations for writing instruments of all shapes, sizes and varieties. As a global leader in the Science of Ink Flow Management, our engineers design nib and reservoir combinations that act as an optimized system to provide maximum ink delivery and control, and protect against leaks. Nibs with the perfect porosity and capillarity are paired with reservoirs that have the optimal fiber type, fiber density and wrap materials for your specific ink and instrument body. As a result, the world’s largest writing and printing manufacturers depend on the quality and consistency of our components to build their brands and earn their customers’ loyalty.

nibs for whiteboard markers

Whiteboard Markers

Porex has a broad portfolio of products to optimize your whiteboard marker’s performance. POREX® whiteboard marker nibs are designed with the perfect porosity and capillarity. When paired with our reservoir using the optimal fiber type, density and wrap for your marker, this combination creates the ultimate ink flow management engine for your specific whiteboard marker design.

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nibs for coloring markers

Coloring Markers

Porex has a broad portfolio of products to optimize your coloring marker’s performance. POREX® sintered particle coloring marker nibs are designed with the perfect porosity and capillarity for the smoothest user experience.  When paired with our reservoir using the optimal fiber type, density and wrap for your marker, this combination creates the ultimate ink flow management engine for your specific coloring marker design.

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Highlighter

Highlighters

Porex has a broad portfolio of products to optimize your highlighter’s performance. POREX® highlighter nibs are designed with the perfect porosity and capillarity for the smoothest user experience, and are compatible with most inks, including high solids/highly pigmented ink. When paired with our reservoir using the optimal fiber type, density and wrap for your highlighter, this combination creates the ultimate ink flow management engine for your specific highlighter design.

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Permanent Marker

Permanent Markers

Porex has a broad portfolio of products to optimize your permanent marker's performance. POREX® permanent marker nibs are designed with the perfect porosity and capillarity for the smoothest user experience, and are compatible with many inks, including high solids/highly pigmented ink. POREX® reservoirs are designed with optimal fiber, density and wrap.

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