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Calcium Hydroxide For Asphalt

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MOQ : 1000 Kilograms

Calcium Hydroxide For Asphalt Specification

Smell
Odorless

Form
Powder

Poisonous
Yes

HS Code
28259040

Purity
98% min

Ph Level
12.4 (saturated solution)

Melting Point
580C (decomposes)

Boiling point
Not applicable (decomposes)

Storage
Store in a cool, dry, well-ventilated area in a tightly closed container

Structural Formula
Ca(OH)2

Molecular Weight
74.09 g/mol

Density
2.24 Gram per cubic centimeter(g/cm3)

Other Names
Hydrated lime, Slaked lime

Shape
Fine powder

Taste
Bitter, alkaline

Solubility
Slightly soluble in water, insoluble in alcohol

Molecular Formula
Ca(OH)2

Refractive Rate
1.561

Classification
Inorganic Chemical

Chemical Name
Calcium Hydroxide

CAS No
1305-62-0

EINECS No
215-137-3

Grade
Industrial Grade

Standard
IS: 1514-1990 / ASTM C977

Type
Powder

Usage
For asphalt mixtures and pavement construction

Main Material
Calcium Hydroxide

Application
Used as filler and anti-stripping agent in asphalt for road construction

Non Toxic
Yes

pH in 1% solution
12.4

Particle Size
90% passing through 75 microns sieve

Color
White

Specific Gravity
2.24 g/cm3

Shelf Life
12 months from date of manufacture

Major Use
Enhancing asphalt performance and durability by reducing stripping and moisture damage

Compliance
AASHTO M-303

Moisture Content
<1%

Packing
25 kg or 50 kg HDPE bags with liner

Calcium Hydroxide For Asphalt Trade Information

Minimum Order Quantity
1000 Kilograms

Supply Ability
1000 Kilograms Per Day

Delivery Time
10 Days

About Calcium Hydroxide For Asphalt

Uses

Vigyan Lime's Calcium Hydroxide can be used in various manufacturing & other processes as under:-

Industrial Usage:

Asphalt
Buffing
Refining
Additives
Metallurgy
Construction
Ore Concentration
Refractory Cement
Iron and Steel Industry
Additives Functional Fillers
Nonferrous Metals Industries

Environmental Usage:

Water Treatment
Treat Waste Water
Effluent Treatment
Flue Gas Treatment
Treat Animal Wastes
Treat Hazardous Wastes
Treat Bio-solids and Sludge

Health Usage:

Cosmetics
Excipients
Bulk Drugs
Food Additives
Fine Chemicals
Live Stock Feed
Food Fortification
Acidity Regulators
API Pharmaceuticals
Nutritional Supplements

Chemical Usage:

Fusion
Alkalis
Citrates
Nitrates
Silicates
Acetates
Magnesia
Stearates
Aspirates
Sulphates
Agriculture
Cyanamids
Citric Acids
Phosphates
Propionates
Calcium Carbide
Plastic Stabilizers
Moisture Removal
Paints & Varnishes
Grease & Lubricants
Brake Pads & Linings

Other Lime Usage:

Inks
Papers
Plastics
Sealants
Concrete
Ceramics
Adhesives
Magnesium
Desulphurization
Building Materials
Alumina & Bauxite

Product details

Purity	0.9, 0.95
Grade	Food
Types	High Cal Lime
State	Powdered
Form	Powder
Packaging Type	Bag , Jumbo-Bag , packet
Packaging Size	40 Kg

Role of Calcium Hydroxide in Asphalt Mixtures

Calcium Hydroxide acts as an essential additive in asphalt mixtures, significantly reducing stripping and moisture-related damage. By improving adhesion between asphalt and aggregates, it increases the lifespan and durability of roadways. Its fine particle size ensures efficient dispersion in the mix, making it a preferred choice for high-performance pavement construction.

Optimal Storage and Packaging Guidelines

To maintain product quality, Calcium Hydroxide should be stored in tightly closed containers in a cool, dry, and well-ventilated facility. Packaging options include 25 kg or 50 kg HDPE bags with liners, ensuring safe and convenient handling. Following proper storage conditions preserves its shelf life of up to 12 months from the date of manufacture.

FAQ's of Calcium Hydroxide For Asphalt:

Q: How does Calcium Hydroxide improve the performance of asphalt pavements?

A: Calcium Hydroxide enhances asphalt performance by acting as an anti-stripping agent. It encourages better bonding between aggregates and asphalt, thereby reducing moisture-induced damage and extending pavement durability.

Q: What is the recommended process for adding Calcium Hydroxide to asphalt mixtures?

A: It should be added as a dry powder during the asphalt mixing process. Ensure it is evenly distributed within the mix to optimize its anti-stripping and binding effects and meet compliance with AASHTO M-303 standards.

Q: When should Calcium Hydroxide be used in road construction projects?

A: It is best employed during the preparation of asphalt mixtures, particularly in environments prone to high moisture exposure or stripping issues. This proactive addition helps prevent damage before the pavement is laid.

Q: Where should Calcium Hydroxide be stored to maintain its effectiveness?

A: Store the product in a cool, dry, and well-ventilated area in tightly sealed containers or HDPE bags. Avoid exposure to moisture and direct sunlight to preserve its chemical integrity and shelf life.

Q: What are the primary benefits of using Calcium Hydroxide in asphalt applications?

A: Key benefits include reduced moisture damage, improved adhesive properties, better pavement durability, and compliance with industry standards such as AASHTO M-303 and ASTM C977.

Q: Is Calcium Hydroxide safe to use in recommended quantities, and is it environmentally friendly?

A: Yes, it is non-toxic when used in the recommended quantities for asphalt applications. Proper handling and adherence to guidelines ensure both user safety and minimal environmental impact.

Q: Can Calcium Hydroxide be used for applications other than asphalt mixtures?

A: While its primary industrial application here is as a filler and anti-stripping agent in asphalt, Calcium Hydroxide is also utilized in other sectors, such as water treatment and construction, owing to its chemical properties.

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