definition

sepiolite is a kind of silicate fiber mineral with rich magnesium elements.

chemical 

formular

Mg8(H2O)4(Si6O15)2(OH)4`8H2O[1] [6][12] 

main chemical 

composition

SiO2

MgO

54~60%

21~25%

physical 

properties

appearance

White,non-transparent,

smooth,sticky

hardness

2~2.5

specific gravity

1~2.3

high temperature 

resistance

The structure doesn’t change at 350 

degree celsius.Max. High temperature resistance 

up to 1500~1700 degree celsius

adsorbability

Adsorbing water of 150% 

of self-weight

products 

specification

sepiolite powder

325,200,100,20-40mesh 

or as per client’s request

Sepiolite fiber

0.3-0.6mm,1-3mm,2-4mm,

4-8mm or as per client’s 

request

feature

100% natural,harmless & odorless,without radioactive elements,excellent 

adsorbability, decoloring, dispersity,thermal stability, moulding,thermal 

insulation and salinity resistance

application

application field

main purpose

oil drilling

used in special slurry of salinity resistance 

and high temperature resistance

grease & petroleum 

refining

Adsorption agent,decoloring agent,filter agent

brewing & chemicals

molecular sieves used in chemical,sugar and 

wine industry

medicines

ion-exchange agent,decoloring agent,

brightening agent

ceramic

enamel

enviromental protection

detergent & adsorbent for particle

foundary

binder for molding sand

selicate

superior material of special high temperature 

coating with high magnesium refractory 

material

plastics

forming agent,decoloring agent

construction

deadening,heat insulation material and coating

agriculture

pesticide,carrier material of soil sterilization

agent,preparation of special material,preparation 

of animal medicament,bed down the livestock

rubber

Filter for special purpose

Welding rod

ingredients of welding flux

light industria,textile 

& chemical industry

catalyst,suspending agent,thickening agent,

thixotropic agent

cigarette

Filter material

paper for

special use

catalytic carrier and adsorbent

modern science of

national defence

ceramic parts of automic energy,rocket,

sattelite etc.

artware

carving crafts,decoration and articles for 

daily use