MAXOS® Safety Sight Glasses DIN 7080 made of BorosilkatglassUse:MAXOS® safety sight and level gauge glasses have proved themselves universallywhere visual process control is essential. This includes pressure vessels subjectedto thermal and chemical loads and liquid level gauge applications.A high safety level is secured through the use of special borosilicate glass of highchemical durability, exceptional purity and homogeneity. The low thermal expansionof our SUPRAX® 8488 borosilicate glass, combined with thermal prestressing(tempering) creates a high resistance to sudden temperature changes.