Silica glass Price Chart & Market Analysis 2026

Silica glass Price Information Spec: China national standards;HM-1170;Coating/Paint Grade;1300 Mesh;Industrial Grade;Feed Grade;Ink Grade;Silicon Micro;Agrochemical Grade;Rubber Grade

Newest Price 708.29

Price Date 20261013

Day's Change +5.11

Day's Range 708.29 - 713.4

Month's Change -21.04

Month's Range 638.62 - 617.58

Year's Change +66.34

Year's Range 632.4 - 566.06

Opinions

How is China's precipitated silica supply structure changing, and what does it mean for downstream tire makers?

The consolidation trend favors buyers in the long run, as larger producers invest in quality consistency. But near-term, expect regional supply tightness when environmental inspections hit Shandong or Fujian clusters. Locking in annual contracts with domestic leaders is safer than spot buying from small mills.

What are the key differences between fumed and precipitated silica, and why does the distinction matter for pricing?

For buyers, the choice is rarely about price alone. Fumed silica's higher cost is justified in high-voltage cable insulation where low moisture content directly impacts dielectric performance. Always specify drying loss limits in contracts, as this is a common quality differentiator between grades.

Why is silica powder called 'white carbon black' and how does it compete with carbon black in rubber reinforcement?

The naming also reflects how the market evolved: as environmental regulations tighten globally, silica's role shifts from a color alternative to a performance necessity. Watch for capacity shifts toward high-dispersion grades, since standard precipitated silica already faces oversupply in China.

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Overview

Silica glass, also known as white carbon black or precipitated silica (CAS 10279-57-9), is a white, amorphous, porous powder with the general formula SiO₂·nH₂O. It serves as a key reinforcing filler and functional additive across multiple industries.

Rubber & tires: replaces carbon black in white or colored rubber products, improving fuel efficiency and wet grip without sacrificing abrasion resistance.
Food & oral care: acts as a friction agent in toothpaste and as a pharmaceutical excipient.
Coatings & adhesives: provides anti-settling and anti-sagging properties as a rheology modifier.
Feed & agriculture: used as a feed additive and sourced from biomass residues like rice husk ash.

China's production landscape is dominated by precipitated silica, with fumed silica capacity smaller by comparison. The industry faces structural oversupply in mid-to-low-end grades, while high-end products still rely on imported process technology. Biomass-derived silica from agricultural waste is an emerging green feedstock trend.

Key domestic producers:
MIXEL – supplies equipment for biomass-based precipitated silica plants.
Shanghai Yuanjiang Chemical – offers fumed and hydrophobic modified silica grades.

Properties

Name

Silica glass

CAS Number

10279-57-9

HS Code

2811220000

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