Borasolicate glass is rated for higher temperatures than normal sheet glass. Flat, heat resistant plate. Does not warp during long term use.
Conducts heat evenly across the build surface to ensure consistent temperature throughout the build surface.
Get you out of the trouble when film decreased viscosity after a period of usage.
High binding power when heating. Easy to separate the parts when cooling.
Smoother finish of bottom layer ensures a perfectly flat and level bed.