Superfine Silica Gel Grinding Mill

Fengli series grinders are the result of our latest innovations (Patent Registration No.20031056858) and are specially designed for grinding heat sensitive materials. The range contains special grinding accessories/devices and features a coarse material re-grind system as well as are-blowing machinise. 

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Silica gel is a granular, vitreous, porous form of silicon dioxide made synthetically from sodium silicate. Silica gel contains a nano-porous silica micro-structure, suspended inside a liquid. Most applications of silica gel require it to be dried, in which case it is called silica xerogel. For practical purposes, silica gel is often interchangeable with silica xerogel. Silica xerogel is tough and hard; it is more solid than common household gels like gelatin or agar. It is a naturally occurring mineral that is purified and processed into either granular or beaded form. As a desiccant, it has an average pore size of 2.4 nanometers and has a strong affinity for water molecules.

Silica gel is most commonly encountered in everyday life as beads in a small (typically 2 x 3 cm) paper packet. In this form, it is used as a desiccant to control local humidity to avoid spoilage or degradation of some goods. Because silica gel can have added chemical indicators (see below) and absorbs moisture very well, silica gel packets usually bear warnings for the user not to eat the contents.

  • Fengli series grinders are the result of our latest innovations (Patent Registration No.20031056858) and are specially designed for grinding heat sensitive materials. The range contains special grinding accessories/devices and features a coarse material re-grind system as well as are-blowing machinise. Specific features of the C series are as follows:

  • 1. Ability to grind brittle materials that are prone to over-grinding, producing a "coarse" (d97>140μm), i.e. blow mesh 100) finished product with consistent granule size and even distribution. Suitable for grinding materials such as polyvinyl alcohol (PVA), with more than 80% of the total amount of retention for the neighbouring three sifting numbers (i.e. sifting meshes 40,60 and 80).

  • 2. Has a re-blowing device, suitable for grinding heat sensitive chemical materials (such as PVA), ensuring that their properties will not deteriorat due to the temperature generated during grinding. This reduces the chance of materials forming spheres caused by high speed spinning and fricton-spherical materials are much harder to grind.

  • 3. The granule size of the product is adjustable by adjusting the gaps between the grinding accessories/devices. The machine is capable of grinding both coarse materials (below mesh 100) and fine materials (above mesh 100).

  • 4. Low cost-priced at less than 30% of similar imported machines.


  • Qingdao Customer

  • Grinding machine: ACM-700C

  • Material size: 1-2mm

  • Product fineness: D97=20.26micron

  • Output:100kg/h


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