Intercalated SLATE with expanded vermiculite and regular doses of adhesive, hot or cold, made by the plank. The plank have heat preservation, adiabatic, fire prevention, etc. This product can be used in fire prevention door core, the fireplace lining, wall materials. & NBSP; First, the introduction: & intercalated SLATE NBSP; Intercalated SLATE is a new kind of inorganic material, with expanded vermiculite as main raw materials, with proportional inorganic adhesives mix, after a series of procedure，www.huixinky.com