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Home > Products >  CAS NO.7631-86-9 Silica

CAS NO.7631-86-9 Silica CAS NO.7631-86-9

  • Min.Order: 1 Metric Ton
  • Payment Terms: L/C,T/T,Other
  • Product Details

Keywords

  • Silica

Quick Details

  • ProName: CAS NO.7631-86-9 Silica
  • CasNo: 7631-86-9
  • Appearance: Power
  • DeliveryTime: within 15 days
  • PackAge: Woven bag lined with plastic film bag
  • Port: Qingdao Port
  • ProductionCapacity: Metric Ton/Day
  • Purity: 99.9%
  • Storage: cool and dry
  • LimitNum: 1 Metric Ton

Superiority

Hydrophobic silica is commonly after reprocessing of products, under some appropriate conditions will generally hydrophilic silica and silane coupling agent treatment response, and obtained a kind of surface has polysiloxane grafting of solid powder silica, the hydrophobic contact Angle can reach 70 to 150, has the good hydrophobic property.

 

Item

Test Standard

Specific surface area(㎡/g)

200±20

Determination of PH value of an aqueous suspension(4%)

3.6-4.5

Loss on drying 105deg.C(m/m%)

≤1.5

Loss on ignition(dry product)1,000deg.C (m/m%)

≤2.5

Sieve residue(m/m%)

≤0.05

Apparent density( g/L)

25-60

Sio2 content (m/m% )

≥99.8

Carbon content (m/m%)

≤0.2

 

Details

No.
PHYSICO-CHEMICAL PROPERTIES

Data

TEST METHOD

UNIT

1

SiO2 Contents

≥ 93

HG/T 3062

%

2

Appearance

White, Fine Odourless, Powder

Visual

/

3

45μm Sieve

≤0.5

HG/T 3064

%

4

Loss on Drying (105°C, 2h)

4.0-7.0

HG/T 3065

%

5

Loss on Ignition (1000°C, 2h)

3.0-6.0

HG/T 3066

%

6

PH Value

6.5-7.1

HG/T 3067

/

7

Nitrogen adsorption specific surface area

140-190

GB/T 10722

m²/g

8

Copper Contents

≤10

HG/T 3068

mg/kg

9

Manganese Contents

≤40

HG/T 3069

mg/kg

10

Iron Contents

≤400

HG/T 3070

mg/kg

11

DBP Oil Absorption Value

2.55-2.8

HG/T 3072

cm³/g

12

Stress at 500% Elongation

≥13.0

HG/T 2404

MPa

13

Tensile Strength

≥19.0

HG/T 2404

MPa

14

Elongation at Break

≥675

HG/T 2404

%

 

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