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Precipitated Silica

Name: Precipitated Silica
Brand: ELITE CHEMICALS
Price: 80-150 INR
Availability: InStock

Price 80-150 INR/ Kilograms

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MOQ : 25 Kilograms, ,

Precipitated Silica Specification

Purity
>99%

Application
Rubber, tire, footwear, paints, coatings, toothpaste, food, pharmaceuticals, agriculture

Taste
Tasteless

Product Type
Precipitated Silica

Solubility
Insoluble in water, soluble in hydrofluoric acid

Ingredients
Silicon dioxide (SiO2)

Molecular Formula
SiO2

Molecular Weight
60.08 g/mol

Appearance
White powder

Structural Formula
O=Si=O

Shelf Life
24 months from date of manufacture

Density
2.1 Gram per cubic centimeter(g/cm3)

Refractive Rate
1.46

HS Code
28112200

Physical Form
Powder

Melting Point
1710C

Grade
Industrial Grade

Smell
Odorless

Specific Surface Area (BET)
120 180 m/g

Loss on Drying
<7% (at 105C for 2 hours)

pH of 5% Solution
6.0 8.0

Oil Absorption
230 350 ml/100g

Average Particle Diameter
~15 m

Manufacturing Method
Wet chemical precipitation from sodium silicate and sulfuric acid

Ignition Loss
<7% (at 1000C)

Bulk Density
0.08 0.20 g/cm

Tamped Density
0.14 0.18 g/ml

SO2 Content
<200 ppm

Packing
10 kg, 25 kg HDPE bags or customized as required

Particle Size
5 40 m (may vary based on grade)

Precipitated Silica Trade Information

Minimum Order Quantity
25 Kilograms, ,

Supply Ability
100 Kilograms, , Per Day

Delivery Time
1-3 Days

About Precipitated Silica

We are one of the leading processor, exporter and supplier of excellent quality Precipitated Silica. This chemical is processed in the most hygiene environment using premium quality chemical substances. The offered chemical finds broad applications such as filler, softener and performance improvement in rubber and plastics, cleaning, thickening and polishing agent in toothpastes, additive as anti caking, thickening agent in food processing and pharmaceutical, etc. Offered Precipitated Silica has higher absorption, excellent compatibility with most toxicants and better chemical stability.

Specification:

Appearance: Snow White Free Flowing light weight White Powder
Bulk Density: 0.12 - 0.15 gms/cc
Moisture Loss (1 Hrs / 105 c): Max 6%
Ignition Loss (1 Hrs / 1000 c): Max 8 %
pH of 5% aqueous suspension: 6 - 8
BET Surface Area: 125 - 140 m2/gm
Purity - Silica SiO2: Min 90.50%
Sodium Sulphate as Na2SO4 : Max 1.5%
Sieve Residue [325 Mesh] : Max 1.5%
DBP Absorption (Max.): 210 - 225%

Wide Industrial Versatility

Precipitated Silica serves as a multifunctional additive across diverse industries. Its high oil absorption, consistent particle size, and substantial surface area make it essential in applications such as rubber compounding, tire manufacturing, paints, coatings, and adhesives. Its role as a thickener, anti-caking, and reinforcing agent enhances the properties of end products.

Stringent Quality and High Purity

With a purity exceeding 99% and exceptionally low levels of sulfur dioxide (<200 ppm), this product meets rigorous quality standards. The silicas chemical properties ensure its compatibility with industrial and food-grade formulations, providing consistent performance and reliability in every batch.

Safe Packaging and Extended Shelf Life

Packed securely in HDPE bags of 10 kg or 25 kg, or customized as needed, the product maintains its integrity during shipment and storage. Precipitated Silica remains stable for up to 24 months from the date of manufacture, giving you confidence in long-term availability and usability.

FAQs of Precipitated Silica:

Q: How is Precipitated Silica manufactured?

A: Precipitated Silica is produced through a wet chemical process, where sodium silicate reacts with sulfuric acid under controlled conditions. The resulting silica is filtered, washed, dried, and milled into a high-purity white powder used in various industrial applications.

Q: What are the main uses of Precipitated Silica?

A: This product is used extensively in rubber and tire manufacturing as a reinforcing agent, in paints and coatings for improved consistency, in toothpaste as a thickener and polishing agent, as a free-flow carrier in food, and as an excipient in pharmaceuticals and agriculture.

Q: When should Precipitated Silica be incorporated during production?

A: It is typically added during the mixing stage of formulations, ensuring even distribution throughout the matrix, whether you are producing rubber compounds, coatings, or toothpaste. This maximizes its reinforcing and thickening effects.

Q: Where can I source Precipitated Silica and what packaging options are available?

A: You can source this product directly from reputable manufacturers and suppliers in India. It is available in 10 kg or 25 kg HDPE bags, with customized packaging possible upon request to suit your specific logistical needs.

Q: What are the benefits of using Precipitated Silica in industrial formulations?

A: Precipitated Silica enhances strength, abrasion resistance, and stability in rubber, improves viscosity and anti-settling in paints, and serves as a safe, odorless, tasteless additive in food and pharmaceuticals. Its high oil absorption and specific surface area further boost product performance.

Q: Is Precipitated Silica safe for long-term storage and use?

A: Yes, when stored in its original HDPE packaging in a dry location, Precipitated Silica remains stable and effective for up to 24 months from the manufacturing date, sustaining its quality for long-term production needs.

Q: How should Precipitated Silica be handled and stored for optimal performance?

A: Handle the powder with suitable protective equipment and store it in sealed HDPE bags in a cool, dry environment, away from moisture and contaminants, to preserve its performance characteristics and safety profile.

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