Aluminium Silicate Powder

Aluminium Silicate Powder Specification

HS Code
28399030

Molecular Formula
Al2SiO5

Storage
Store in a cool, dry place

Melting Point
1,540C

Density
2.8 Gram per cubic centimeter(g/cm3)

Molecular Weight
162.045 g/mol

Structural Formula
Al2SiO5

Taste
Odorless, tasteless

Purity
98% Min

Solubility
Insoluble in water, soluble in hydrochloric acid

Ph Level
6-8 (suspension)

Smell
Odorless

Refractive Rate
1.56-1.58

Other Names
Aluminum silicate, Kaolin

Boiling point
Not applicable (decomposes)

Poisonous
Yes

Shape
Fine Powder

Form
Solid

Classification
Inorganic compound

Chemical Name
Aluminium Silicate

CAS No
12141-46-7

EINECS No
215-691-6

Grade
Industrial Grade

Standard
ISO 1248

Type
Powder

Usage
Industrial applications, fillers, pigments

Main Material
Aluminium Silicate

Application
Paints, Ceramics, Rubber, Plastics, Paper, Refractories

Non Toxic
Yes

Particle Size
Below 45 microns (325 mesh)

Bulk Density
0.35-0.60 g/cm3

Appearance
White to off-white powder

pH Value (20% suspension)
6.5-7.5

Shelf Life
24 months from date of manufacture

Oil Absorption
45-50 g/100g

Packaging
25 kg or 50 kg HDPE bags with inner liner

Hardness (Mohs)
5.0-6.5

Brightness
80-90%

Moisture Content
Max 1%

Loss on Ignition
13-15%

About Aluminium Silicate Powder

Grade	Industrial Grade
Packaging Size	25 kg
Application	Paints, Rubber, Construction, Detergent, Ceramics, Refractories, Plastics, Paper
Purity	98%
Color	White
pH Value	45
Bulk Density	0.3 g/cm
Form	Powder
Packing Size	25 Kg
Packing Type	Bag
Usage	Cosmetics, and pharmaceuticals
Formula	Al2SiO5
ChemSpider	8488719
Molar Mass	162.0456 g mol-1
PubChem CID	10313254
CAS Number	12141-46-7

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Versatile Industrial Applications

Aluminium Silicate Powder serves as a preferred ingredient in a wide array of industries. Its fine particle size, high brightness, and strong oil absorption make it valuable in formulations for paints, ceramics, plastics, rubber, and paper. Functioning effectively as a filler, pigment, and performance enhancer, it contributes to desired product characteristics such as coverage, texture, and thermal resistance.

Superior Physical and Chemical Properties

Characterized by its high purity, excellent stability, and controlled particle size distribution, Aluminium Silicate Powder is engineered for demanding applications. It is odorless, non-toxic, and chemically inert under most conditions. The powder exhibits minimal moisture content, reliable bulk density, and precise pH balance, ensuring consistency and compatibility with diverse industrial processes.

Safe Storage and Easy Handling

This powder is securely packed in 25 kg or 50 kg HDPE bags with an inner liner to prevent contamination and moisture ingress. It should be stored in a cool, dry place to maintain its performance over the 24-month shelf life. Its fine form ensures easy handling and dosing during batch processing, supporting operational efficiency at distributor, supplier, and user levels.

FAQ's of Aluminium Silicate Powder:

Q: How is Aluminium Silicate Powder typically used in industrial applications?

A: Aluminium Silicate Powder is widely employed as a filler, pigment, or extender in industries such as paints, ceramics, rubber, plastics, paper, and refractories. It enhances product properties, including brightness, opacity, and workability.

Q: What benefits does Aluminium Silicate Powder provide in paint formulations?

A: In paints, it improves coverage, brightness, and viscosity control, contributing to a smooth finish and increased durability. Its high oil absorption also helps better binders and pigments in paint systems.

Q: Where should Aluminium Silicate Powder be stored for optimal shelf life?

A: To ensure the powder maintains its properties, it should be stored in a cool, dry place, away from direct moisture and contaminants. Proper storage in sealed HDPE bags helps it retain quality for up to 24 months from the date of manufacture.

Q: What processes are involved in using Aluminium Silicate Powder for ceramics?

A: In ceramic production, Aluminium Silicate Powder is mixed with other raw materials to form bodies and glazes. Its fine particle size ensures uniform dispersion, improved workability, and smooth finished surfaces.

Q: Can Aluminium Silicate Powder be used in food or pharmaceutical applications?

A: No, this product is strictly industrial grade and intended only for non-food, non-pharmaceutical applications, such as fillers in plastics, rubbers, and ceramics.

Q: What are the key physical properties of Aluminium Silicate Powder?

A: Key properties include a particle size below 45 microns, bulk density of 0.35-0.60 g/cm3, pH of 6.5-7.5 (20% suspension), and a high brightness range of 80-90%. It is odorless, tasteless, and insoluble in water.

Q: How should Aluminium Silicate Powder be handled safely during use?

A: While the powder is non-toxic, standard personal protective equipment such as gloves, goggles, and dust masks are recommended during handling to avoid inhalation of fine particles and contact with eyes.

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