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Expansion Ratio 270/g Min Expandable Graphite Powder
Place of Origin:
Qingdao, China
Brand Name:
Hensen
Certification:
Certificate Of Origin
Model Number:
90100270
Minimum Order Quantity:
20GP Container
Price:
US$1000-US$3000/TON
Packaging Details:
20/25kg small bag, 1mt jumbo bag, pallet
Delivery Time:
30 working days
Payment Terms:
T/T
Supply Ability:
3000 ton per month
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Get A Quote
Specifications
Highlight Features
high expansion ratio graphite powder
,expandable graphite powder 270/g
,industrial expandable graphite powder
F.C:
90%MIN
ASH:
10%MAX
MOISTURE:
1%MAX
PARTICLE SIZE:
100MESH
PH:
3-5
Expansion Ratio:
270ml/g Min
APPLICATION:
FLAME RETARDANT
Product Description
Expandable Graphite
Expandable graphite is a synthesized intercalation compound of graphite that expands or exfoliates when heated. Once heated, it results an increase in the volume of up to 400 times, a lowering of bulk density, and approximately a 10-fold increase in surface area. Then it's compressed into a highly cohesive flexible sheet.
Another principal application is as a flame retardant. As a result of the heat of a fire the graphite expands and creates an intumescent layer on the surface of the material. This retards the spread of fire and minimizes one of the most harmful effects of combustion: the creation of toxic gases and fumes.
Benefits of expandable graphite as flame retardant:
- Forms an intumescence layer with Thermal Radiation Shielding, with superior Heat Diffusion.
- Stops or slows the spread of fire and toxic gases.
- Easy to apply, cost Effective, satisfied performance with low adding levels.
- Non-toxic, non-halogenated fire-stop additive.
- Neutral surface pH makes compatible with any catalyst system.
Tags:
Overall Rating
4.7
Based On Recent Reviews
Rating Snapshot
5
67%
4
33%
3
0
2
0
1
0
All Reviews
R
Jul 14.2025
Professional packaging & logistics – Moisture-proof packaging, timely delivery, and consistent quality from samples to bulk orders.
T
Mar 11.2025
The expansion volume is consistent, forming a strong, insulating char layer. It's highly effective and environmentally friendly compared to traditional options. Highly recommended for anyone in the fire safety materials industry.
J
Aug 21.2024
The quality has been remarkably consistent across multiple orders over the past two years. The physical and chemical analysis reports provided with each shipment are accurate and detailed, which simplifies our inbound QC. Deliveries are always on schedule. For anyone needing a dependable supply of specification-grade flake graphite, this supplier is a solid choice.
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