In industrial settings, permanent markers are essential for tasks such as identifying cut lines or labeling inventory. Designed to withstand harsh environments, their ink won’t wash away or fade. Available in a variety of tip sizes—from fine to broad—they suit projects of all scales. This guide covers the different types of industrial markers, how to select the right one, and their key advantages and disadvantages.
Industrial Markers: Types, Tips, and When to Choose the Right One for Your Job
Industrial Markers
While there are no formal regulations for process or quality control identification, the International Organization for Standardization (ISO) provides clear guidelines for labeling incoming components and outgoing finished goods in manufacturing. These standards ensure accurate identification to support both production and quality control processes.
What's In an Industrial Marker?
Marking substrates can include liquid or solid paint, ink, wax-based crayon, or pencil lead. These materials are typically housed in containers made of metal, plastic, or even paper wrapping. The tip (or nib) used to apply the substrate varies by marker type and is made of polyester, felt, synthetic fiber, a metal ball bearing, or— in the case of solid markers—is applied directly from the marker to the surface.
Surface temperature plays a key role in determining the appropriate marker substrate, such as when marking newly formed hot steel. Since nearly every industrial marking application has unique requirements, marker manufacturers have developed specialized formulas and designs tailored to different surfaces and marking conditions.
Considerations When Selecting an Industrial Marker
Advantages/Benefits of Industrial Marker Types
There are various types of industrial markers designed for different applications—from liquid paint markers to chalk—offering reliable marking without damaging surfaces. Each marker type has its own advantages, outlined below.
Liquid Paint Markers
Available in permanent or temporary formulas, these markers deliver fast-drying, durable paint in various tip sizes, barrel sizes, and colors. They are ideal for smooth surfaces at ambient temperatures, with specialty options designed for oily, wet, rusty, or hot metal surfaces.
Solid Paint Markers
Combining the durability of paint with the convenience of a crayon, these economical markers can mark nearly any surface. They are ideal for metal fabrication, production, welding, construction, and other industrial applications where long-lasting, durable marks are essential.
Ink Markers
Best suited for clean, dry surfaces commonly found at construction sites, industrial job sites, production lines, and shipping departments. Ink markers typically dry faster than paint markers, enabling quicker handling.
Lumber/Timber Markers
Designed for marking logs, boards, and raw timber, lumber crayons, or “keel,” provide an economical wax- or clay-based formula that delivers smooth, durable, and consistent marks.
Welding Markers
Widely used in pre-fabrication and welding, soapstone, welders’ pencils, and layout markers are ideal for creating temporary or permanent marks on metal during layout and fabrication.
General Purpose Markers
From carpenter’s pencils and china markers to railroad chalk, these markers provide cost-effective solutions for temporary marking across a wide range of applications.