Vermiculite is a layer-structured metamorphic rock of gibbsite silicate. Rich in magnesium, it comes from hot-liquid-eroded or weathered phlogopite. When it is heated to lose water and expands, lt turns curvingas a leech. Therefore is called vermiculite.lt can be divide into original vermiculite and expanded vermiculite. color it can also be divided into golden vermiculite and white vermiculite.

Physical and chemical quota of vermiculite

Being differently hydrated and oxidation, the same vermiculite may have different chemical compositions .Generally, its chemical compositions are as follows:

Chemical quota: Mg x (H2O)(Mg3-x)(ALSiO3O10)(OH2)

Specifications of Expanded Vermiculite (Under the standards of JC/441-1996)

6-12mm 3-6mm 2-4mm 1-3mm 16-40mesh 20-40mesh 40-80mesh 60-100mesh 200mesh 325mesh 400mesh

Main Use and Functions:

 Jinli Minerals is the first in North China to set up an advanced digital thermostat  to cool,  select, winnow and grade its products .Jinli has produced and developed many products ,which have such advantages as lighter, easy to reduce high-temperature recession heat and cold and corrosion resistant, better ventilation and water preservation , poisonousless and odorless, low hardness, burning-avoidance.

It has already been used in many fields like construction materials ,heat-resistant  materials ,sheet materials costing painting painting rubber, agriculture, forestry, nursery gardening ,forage, cultivation ,pharmacy,  fricition  and sealing, metallurgy, etc.

Our company places great emphasis on production technology, products quality and after-sales service:

• Free Samples

Free samples within 100-500g, but delivery fee should be paid by your side via TT, Western Union or Alibaba.

• All-over Certifications

We can supply PATENTS,  MSDS, TDS, Test Report, Place of Original (C/O, Form A, Form E,etc.), SGS test, etc.

• Strictly Quality Control

Our strictly Quality Control Dept.,will inspect each batch of goods before loading, only after the goods qualified, it can be allowed to out of the factory. We have obtained ISO9001 Quality Management System Certification in 2005 as a result of the strict quality management.

• Professional Document Service

After shipped, our professional document department will serve you all the documents for you timely.