Markal 89250 Certified Thermomelt Stick, 250 °F, 4-1/2 In

The Markal 89250 Certified Thermomelt Stick provides a precise and reliable method for monitoring surface temperatures during critical heat-treating processes. This temperature-indicating crayon is engineered to melt at a specific threshold, ensuring that operators can verify heat levels without the need for complex electronic equipment.

• Provides immediate visual verification as the stick marks melt instantly when the surface reaches 250 °F.
• Certified to meet stringent requirements for low-corrosion environments, making it safe for use on stainless steel and other sensitive alloys.
• Designed for industrial durability, the 4-1/2 inch stick is easy to handle and requires no calibration or batteries.

This temperature indicator is ideal for welders, fabricators, and quality control inspectors working in nuclear power generation, aerospace, and high-pressure vessel manufacturing where precision heat monitoring is required.

• Temperature Rating: 250 °F
• Length: 4-1/2 in
• Part Number: 89250

About IndustrialSafety.comIndustrialSafety.com is a trusted national distributor of PPE, safety equipment, and industrial supplies for businesses, contractors, and municipalities across the U.S. We specialize in bulk orders, compliance-driven products, and hard-to-source safety solutions. If you need volume pricing, project quotes, or help finding the right product for your application, our team is ready to help — reach out anytime for a fast, no-pressure quote.