Bar and Gauge Apparatus

product Overview:

This apparatus demonstrating expansion by heating and contraction by cooling. It's an excellent unit to visualize thermal expansion.
SA-204-2A Brass bar brass gauge
SA-204-2B Brass bar steel gauge
SA-204-2C Brass bar aluminum gauge


We have 70 skillful operators, 5 machine mechanics and 31 quality inspectors, total annual output capacity in design can reach 130 millions sets.



Earth & Space Science

Human Anatomy

Laboratory Supplies

Physical Science


Customer message

Our team has been and will continue to be committed to science education industry to provide quality products at competitive prices and good services to our clients all over the world.