Overview: This document provides technical specifications for SiLibeads® glass beads produced by SIGMUND LINDNER GmbH. It includes details on chemical composition, physical properties, standard sizes, and grades.

Chemical Composition: The glass beads are primarily composed of SiO2 (70.00%), with additional components including K2O (5.65%), Na2O (9.48%), CaO (5.83%), and BaO (3.15%). The beads fall under hydrolytic class HGB 3 (DIN ISO 719), acidic class S 2 (DIN 12116), and alkaline class A 2 (DIN 695).

Physical Properties: The specific weight of the beads is 2.58 kg/ltr as per DIN ISO 787-10 standards.

Standard Sizes: The document lists several standard sizes with corresponding tolerances, roundness, surface finish, weight per 1000 pieces, and the number of pieces per 1000 grams. Sizes range from 2.381 mm to 25.400 mm, with varying surface finishes (polished or matt) and weights.

Grades and Tolerances: The grades are defined according to ANSI/AFBMA - 10.1989 standards, with deviations from spherical form and maximum surface roughness specified for grades 200 and 100.

Additional Information: Special sizes and grades are available upon request, and the figures provided are reference values.