1.gh expansion coefficient 2. can't be easily break 3.less impurity we can supply Expanded Vermiculite of high quality and crude Vermiculite Expanded Vermiculite's Properties: ireproof, heat insulating, sound andmoisture absoring, light weight, non-toxic, ordorless, non-abrasive ect. Applications: In Construction 1. Fireproof Board 2. Loosefill Insulation 3. Construction Coatings 4. Lightweight ...