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GR3551 Expandable Graphite Powder

Catalog No. GR3551
Mesh Size 32, 50, 80, 100
Fixed Carbon (%) 90-99
Particle Size Oversize (%) ≥80
Expansion Ratio (ml/g) 100-450

Expandable Graphite Powder is also called Expandable Graphite Powder or cryptocrystalline graphite.  Stanford Advanced Materials (SAM) has rich experience in manufacturing and supplying high-quality Expandable Graphite Powder.

Related products: High Carbon Graphite Nanopowder, Microcrystalline Graphite Powder, Siliconized Graphite Powder

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Description
Specification
Technical Data Sheet

Expandable Graphite Powder Description

Expanded Graphite Powder is a loose and porous worm-like substance prepared from graphite flakes through intercalation, water washing, drying, and high-temperature expansion. Expanded graphite can instantly expand 150-300 times in volume when exposed to high temperature, changing from flake to worm-like, resulting in a loose structure, porous and curved, expanded surface area, increased surface energy, and enhanced adsorption of flake graphite. Vermicular graphite can be embedded in itself. Together, this increases its softness, resilience, and plasticity.

Expandable Graphite Powder Specifications

Grade

Fixed Carbon

Particle Size (Oversize)

Volatile

Expansion Ratio

Sulfuric content

PH

Moisture

Ash

%

%

%

(ml/g)

(%)

(%)

(%)

EG-100

90-99

≥80

≤12

30-100

≤2.2

4-6

≤1.0

≤10

EG-200

15-50

EG-300

10-20

Expandable Graphite Powder Applications

1. Fire Retardants: When heated, expandable graphite can expand significantly, forming a char that acts as a barrier to fire, making it useful in fireproof coatings and materials.

2. Sealants and Gaskets: Its ability to expand when exposed to heat makes it an effective sealing material in high-temperature applications, such as in gaskets for engines and industrial equipment.

3. Thermal Insulation: Used in thermal insulation materials, expandable graphite helps reduce heat transfer, making it suitable for building materials and appliances.

4. Composite Materials: It can be added to plastics, rubber, and other composites to enhance their thermal stability, mechanical properties, and fire resistance.

5. Conductive Materials: When combined with other materials, expandable graphite can improve electrical conductivity, making it useful in conductive coatings and adhesives.

6. Batteries and Fuel Cells: In some battery technologies, expandable graphite can be used as a conductive additive to enhance performance.

7. Industrial Applications: It's employed in various industrial applications, including lubricants, coatings, and paints, where its unique properties can be beneficial.

Expandable Graphite Powder Packaging

Our Expandable Graphite Powder is carefully handled during storage and transportation to preserve the quality of our product in its original condition.

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