Product introduction

　　Horticultural perlite is a kind of white granular material with honeycomb structure made from perlite ore after preheating and instantaneous high temperature roasting expansion. Its principle is that perlite ore is broken into a certain size of ore sand, preheated and roasted, and heated rapidly (over 1000 C). Water vaporization in the ore sand expands in the softened vitrified ore sand, forming porous structure and volume expansion of 1. Non-metallic mineral products 0-30 times.