LABELMASTER Container Label: Spontaneously Combustible, 3 15/16 in x 3 15/16 in, Paper
The LABELMASTER DOT Container Label: Spontaneously Combustible is a Class 4 Flammable Solids paper label measuring 3 15/16 in x 3 15/16 in (MPN HML21). It displays the message 'Spontaneously Combustible' for…
SKU 3G-OTH-588482
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Product Description
The LABELMASTER DOT Container Label: Spontaneously Combustible is a Class 4 Flammable Solids paper label measuring 3 15/16 in x 3 15/16 in (MPN HML21). It displays the message 'Spontaneously Combustible' for compliant hazardous-material container identification.
Frequently Asked Questions
What is the LABELMASTER DOT Container Label HML21 used for?
The LABELMASTER DOT Container Label HML21 is used to identify containers holding spontaneously combustible materials, which are classified as Class 4 Flammable Solids. It helps ensure compliance with hazardous-material shipping regulations by clearly displaying the required warning message.
What are the specifications of the LABELMASTER HML21 label?
The LABELMASTER HML21 is a paper label measuring 3 15/16 in x 3 15/16 in. It displays the message 'Spontaneously Combustible' and is designed for Class 4 Flammable Solids container identification. The manufacturer part number is HML21.
Where to buy LABELMASTER HML21 labels worldwide?
3G Electric supplies LABELMASTER HML21 labels worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver these DOT-compliant spontaneously combustible labels to your facility, regardless of location.
How to properly apply the LABELMASTER spontaneously combustible label?
Apply the LABELMASTER HML21 label to a clean, dry container surface near the hazard class marking. Ensure the label is fully adhered and not obstructed. For best results, follow DOT guidelines for label placement and avoid applying over rough or oily areas.
LABELMASTER Products
3G Electric supplies LABELMASTER class 4: flammable solids. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









