Description
Introduction to rock wool core material
Rock Wool Core Material: Jinyu Xingpai Rock Wool, Hongshi Brand Rock Wool.
This rock wool is not that rock wool: True rock wool is formed by melting basalt at temperatures above 1200 degrees Celsius and then centrifugally spinning it into fibers. Its basalt content exceeds 70%. Traditional rock wool is made from steelmaking slag that is spun out centrifugally. The technical indicators of the two differ greatly, and the price also varies significantly.
Appearance: Rock wool is flat and orderly, with uniform color; mineral wool is chaotic and disordered, with varying shades.
Touch: Rock wool feels soft like cotton; mineral wool is prickly and can cause allergic reactions.
Slag ball content: Low in rock wool; high in mineral wool, which is a direct cause of allergies.
Thermal conductivity: Low in rock wool; high in mineral wool.
Acidity coefficient; hydrophobic rate; fire protection Class A.
Below is a comparison chart of Dong’an’s rock wool and ordinary mineral wool.
