Indicating Silica Gel

Indicating Silica Gel Specification

Classification
Other

Chemical Name
Indicating Silica Gel

Other Names
Blue Silicagel

CAS No
7631-86-9

Purity(%)
99%

Usage
Other

Color
Multicolored

Physical Form
Other

Shape
Granule, Beads, Round

Size
1-3, 2-4, 3-5, 9-12

Indicating Silica Gel Trade Information

Minimum Order Quantity
100 Kilograms

Payment Terms
Cash Advance (CA), Cash in Advance (CID)

Supply Ability
50000 Kilograms Per Month

Delivery Time
30 Days

Sample Available
No

Sample Policy
Contact us for information regarding our sample policy

Packaging Details
25 KG HDPE BAG

Main Domestic Market
All India

Certifications
REACH, GMP, QRO And RoHS

About Indicating Silica Gel

Pointing to silica gel as a desiccant that absorbs moisture and visually indicates it is at capacity by color change. Formulated usually from porous silica beads, it is filled with an indicator dye that is moisture-sensitive usually blue (which changes to pink upon saturation) or orange (which changes to green or colorless upon saturation), depending on the type. With this color change, users can simply check on the status of the desiccant without requiring special instruments. Pointing to silica gel is commonly applied in situations where live moisture measurement is critical, such as storage in laboratories, electronics, pharmaceuticals, and optical devices. It provides the same maximum moisture adsorption level of non-indicating silica gel, up to 30-35% of its weight, but with the added visual indicator for replacement or regeneration. Even though some earlier versions employed cobalt chloride (a toxic substance), most current indicating gels are DMF- and cobalt-free to meet RoHS, REACH, and environmental protection requirements.

Superior Moisture Indication

Indicating Silica Gel stands out due to its ability to change color upon moisture absorption. This feature allows users to clearly determine when the desiccant requires replacement or regeneration, reducing guesswork in humidity control processes. The multicolored, round beads offer both efficiency and visual appeal, making them a preferred choice across various industries.

Versatile Applications

Available in different granule and bead sizes, this silica gel product fits a variety of uses including electronics, pharmaceuticals, food packaging, and laboratory settings. Its high purity level (99%) ensures compatibility with sensitive products and environments. Whether for storage, transit, or operational spaces, indicating silica gel provides reliable humidity protection.

FAQ's of Indicating Silica Gel:

Q: How does indicating silica gel with color work?

A: Indicating silica gel contains a moisture-sensitive indicator that changes the color of the beads or granules as they absorb water vapor. For instance, blue beads typically turn pink when saturated. This visible change helps signal when the silica gel has reached its capacity and needs replacement or regeneration.

Q: What are the typical uses of multicolored indicating silica gel beads?

A: These silica gel beads are commonly used for moisture control in packaging, storage containers, electronics, pharmaceuticals, and sensitive instruments. The color indication feature is especially useful for ensuring optimal dryness in environments where humidity must be monitored closely.

Q: When should I replace or regenerate my silica gel beads?

A: You should replace or regenerate the silica gel beads when their color has completely changed, indicating full moisture saturation. For blue silicagel, replace or regenerate once it turns pink or another specified color based on its formulation.

Q: Where can I buy high-purity indicating silica gel in India?

A: High-purity indicating silica gel (CAS No: 7631-86-9) is available from various manufacturers, suppliers, and traders across India, specializing in reliable and quality-controlled moisture-absorbing products.

Q: What sizes are available for indicating silica gel granules and beads?

A: The product is offered in multiple size ranges including 1-3 mm, 2-4 mm, 3-5 mm, and 9-12 mm. These options provide flexibility to suit different applications and container dimensions.

Q: What is the process for regenerating used silica gel beads?

A: To regenerate saturated beads, heat them in a ventilated oven at 105-120C until their original color returns. Allow the beads to cool before reuse. Always follow safety and handling guidelines provided by the manufacturer.

Q: What are the benefits of using high-purity indicating silica gel?

A: High-purity (99%) silica gel ensures maximum absorption capacity, improved safety, and minimal contamination risk. The color-changing property allows for easy monitoring and effective desiccant management, benefiting storage and transport of moisture-sensitive goods.

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