PRECIPITATED SILICA for TIRES AND RUBBER PRODUCTS

Product Name  PRECIPITATED SILICA DOXIDE

Appearance  White powder

Chemical formula SiO2·nH2O

CAS Number  14464-46-1

EINECS Number  238-878-4

PRODUCT DESCRIPTION

Precipitated Silica is one of the essential raw material of the green tires and rubber, which can improve the physical and chemical properties.

PHYSICAL-CHCEMICAL CHARACTERISTICS

ITEM 455 555 655
Appearance White powder White Micro-Pearl White Granular
SiO2 Content 92% min 92% min 92% min
BET m2/g 161-190 120-190 161-190
Heating loss(105℃,2h)% 4.5-7.5 4.5-7.5 4.5-7.5
Ignition Loss(1000℃,2h)% 6.0 max 6.0 max 6.0 max
PH value 6.0-7.5 6.0-7.5 6.0-7.5
DBP Absorption Value ml/g 2.2-2.8 2.2-2.8 2.2-2.8
Pour density g/cm3 0.2-0.26 0.2-0.24 0.26-0.32
From the soluble saltsolution(by Na2SO4)% 2.0 max 2.0 max 2.0 max
45μm residue on sieve % 0.5max
20mesh sieve residue 65% min
80mesh sieve residue 80% min 75% min
Total Fe content mg/kg 500 max 500 max 500 max

APPLICATION

It can be used successfully for all rubber products, mainly in radial tire, wear-resistant rubber, transparent soles etc.

STANDARD PACKAGING

20 KGS sealed bag or 20KGS paper bag

WAREHOUSING AND STORAGE LIFE

The goods will be kept in original package within storage life

SPECIAL ADVISE FOR SECURITY

The product does not contain dangerous substances, nevertheless the product must be used and handled following the usual precautions for all chemical substances consulting the safety data sheet.

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