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CHENGDU BEYOND CHEMICAL CO., LTD.

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Black Flint

Name: Black Flint
Brand: CHENGDU BEYOND CHEMICAL CO., LTD.
Price: 5 USD
Availability: InStock

Price 5 USD ($)/ Kilograms

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MOQ : 1 Kilograms

Black Flint Specification

Purity
>98% SiO2

CAS No
14808-60-7

Grade
Industrial, Commercial

Properties
Hard, durable, conchoidal fracture, high silica content

Refractive Rate
1.5441.553

Storage
Store in a dry, ventilated area away from acids

Appearance
Black to dark grey, opaque

HS Code
25132000

Physical Form
Solid

Taste
Tasteless

Ingredients
Primarily Silicon Dioxide (SiO2)

Structural Formula
O2Si

Usage
Used in flint knapping, manufacturing lighters, aggregates

Shelf Life
Indefinite

Molecular Formula
SiO2

Molecular Weight
60.08 g/mol

Density
2.65 Gram per cubic centimeter(g/cm3)

Melting Point
1713C

EINECS No
238-878-4

Solubility
Insoluble in water

Poisonous
Non-poisonous

Application
Abrasives, tool-making, construction, decorative stone

Shape
Irregular nodules, blocks or chips

Product Type
Mineral / Stone

Ph Level
7 (neutral)

Smell
Odorless

Mohs Hardness
6.5-7

Thermal Conductivity
~1.4 W/mK

Environmental Impact
Non-toxic, eco-friendly

Weather Resistance
Very high; resistant to weathering & chemicals

Colour
Predominantly black with dark gray hues

Surface Texture
Glass-like, smooth to slightly rough

Main Source
Sedimentary rocks, chalk, limestone deposits

Fire Resistance
Excellent

Packaging Size
Customizable as per requirement

Handling Precaution
Avoid inhaling dust during cutting or shaping

Black Flint Trade Information

Minimum Order Quantity
1 Kilograms

Supply Ability
1000 Kilograms Per Month

Delivery Time
20 Days

Main Export Market(s)
Asia, Australia, Central America, North America, South America, Eastern Europe, Western Europe, Middle East, Africa

About Black Flint

Product Details

Properties	Metallic bar or granula
Packing	Steel drum with inner 10x5kg vacuumed aluminum foil bags
Storage	Inflammable,don't crash,keep sealed and store in dry and cool places
Apps	Ignition material

Technical Specifications

CODE	Dimensional Tolerance+/-mm	HV5	Ignite Rate>%
FL-1	0.05	139	99.9
FL-2	0.08	145	99.5

Exceptional Physical and Chemical Properties

Black Flint boasts exceptional hardness, high durability, and a conchoidal fracture, with a purity exceeding 98% silicon dioxide. It is odorless, tasteless, and completely non-poisonous. Due to its high resistance to weathering and chemicals, it is ideal for both indoor and outdoor uses. Its thermal conductivity and fire resistance further expand its range of industrial applications.

Wide-Ranging Applications and Custom Options

Commonly used in abrasives, construction aggregates, tool-making, and decorative stone, Black Flint is also popular in flint knapping and the manufacturing of ignition tools. It is available in irregular nodules, blocks, or chips, with customizable packaging sizes to suit unique needs. The stones indefinite shelf life and stability ensure long-term usability.

FAQs of Black Flint:

Q: How can Black Flint be used in industrial and commercial applications?

A: Black Flint finds application in a variety of industries including tool-making, construction, abrasive manufacturing, and decorative stonework. Its hardness and high silica content make it exceptional for flint knapping, producing aggregates, and manufacturing lighters.

Q: What precautions should be taken during the handling or processing of Black Flint?

A: While Black Flint is non-toxic and eco-friendly, it is advised to avoid inhaling the dust generated during cutting or shaping, and to store the stone in a dry, ventilated area away from acids to maintain integrity and safety.

Q: When is Black Flint particularly beneficial compared to other stones?

A: Its high weather resistance, excellent fire resistance, and durable conchoidal fracture make Black Flint especially beneficial in demanding environments where longevity and stability against environmental stressors are required.

Q: Where is Black Flint commonly sourced from?

A: Black Flint is mainly extracted from sedimentary rocks, specifically chalk and limestone deposits. Large deposits can be found in various countries, with China being a significant exporter and supplier.

Q: What is the significance of Black Flints purity and physical properties?

A: With a purity of over 98% SiO2 and a neutral pH, Black Flint ensures minimal reactivity and superior mechanical strength. Its glass-like texture and density enhance its effectiveness in industrial applications and increase its value in the distribution market.

Q: How should Black Flint be stored to ensure long shelf life?

A: To ensure indefinite shelf life, Black Flint should be stored in a dry, ventilated location, away from acids or other reactive substances, preserving its structural integrity and usability.

Q: What are the environmental and safety benefits of using Black Flint?

A: Black Flint is completely non-toxic, insoluble in water, and odorless, making it environmentally safe. Its natural composition and eco-friendly profile allow for widespread industrial use without compromising environmental or human health.

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