85U Undensified Silica Fume

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85u Undensified Silica Fume

Undensified – A1,  
typical bulk density of 320-360 kg/m3
Densified – A2, 
typical bulk density of 630-680 kg/m3

Silica Fume Application:
Concrete, Refractory, High Performance Concrete, Oil and Gas Industry, Ceramics, Concrete Roofing, Wall boards, Cementation Repair Products, Concrete Tile & Panels, FCB, Shotcrete, Polymers & Elastomers and (SCC) Self-Compacting Concrete.


1. Chemical Component  (weight%)

Element                           Specification                            Typical value

SiO2:  %                                  85min                                          88.1

Cl: %                                        0.1max                                        0.013

H2O: %                                    2.0max                                        0.98

2. Phisical data

Properties                             Spec                                      Typical value

Loss on Ignition%                     6 max                                          2.25

Coarse particles > 45um %      10.0max                                      1.8

PH- Value                                  6-8                                              7

Bulk density:kg/m3                   190-280                                       230

Specific Surface Area: m2/gm  15-30                                          19

Specific Gravity                         2.0-2.5                                        2.2

Typical value is just for reference.

85% Silica Fume Specifications:

Silica fume is produced in conformance with the ASTM specifications. The quality is controlled and monitored throughout the entire production process to ensure that it meets or exceeds specification requirements.

Packaging & Delivery:

10kg soluble paper bags x 84 on the pallets.
20kg soluble paper bags x 42 on the pallets.
950kg plastic woven bags x 2 on the pallets(with or without bottom output )
1000kg plastic woven bags x 2 on the pallets(with or without bottom output )
500kg plastic woven bags x 2 on the pallets (with or without bottom output )
We can also produce according to your requirement.

85% Undensified Silica Fume