Rare Factory "Beware of Chemicals" Porcelain Enamel Sign

An amazing and rare triangular porcelain enamel sign used in Bulgarian factories and laboratories during the 1970s and 1980s. Originally displayed in workplaces handling hazardous chemicals, it features a bold graphic of a laboratory flask emitting splashes — a classic industrial safety symbol.

Crafted from pressed metal and finished with durable porcelain enamel, the sign has a vibrant yellow and black design and is in excellent vintage condition. A striking piece of industrial design, perfect for display in workshops, creative studios, science-themed interiors, or collections of vintage lab equipment.

Size: Approximately 25 x 25 x 25 cm
Origin: Bulgaria, ca. 1970s–1980s
Material: Metal with porcelain enamel coating
Mounting holes present for easy hanging

Shipping & Packing Information

We take great care in packing all items to ensure they arrive safely. Whenever possible, we use recycled materials and old boxes—because we care about nature and want to reduce waste 🌍♻️

For European shipping, we mainly use DPD and the Bulgarian Post.

For international orders (USA, Australia, and others), we use the Bulgarian Post.

We always do our best to ship items as quickly as possible after receiving payment.

If you have any specific shipping requests or need express delivery, feel free to contact us!