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Zinc Hydroxystannate (ZHS)

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MOQ : 50 Kilograms

Zinc Hydroxystannate (ZHS) Specification

Molecular Weight
343.8 g/mol

Melting Point
>200C (decomposes)

Taste
Odorless and tasteless

Ph Level
8.0 - 9.5 (slurry)

Structural Formula
ZnSn(OH)6

Shelf Life
2 years

Refractive Rate
1.675

Appearance
White powder

Storage
Store in a cool, dry place, tightly sealed

HS Code
28519010

Shape
Fine particles

Molecular Formula
ZnSn(OH)6

Smell
Odorless

Density
3.7 Gram per cubic centimeter(g/cm3)

Application
Flame retardant in polymers, PVC, rubber, paints, coatings

Physical Form
Powder

Solubility
Insoluble in water; soluble in acids and alkalis

Purity
>99%

EINECS No
234-886-1

Ingredients
Zinc, Tin, Hydroxide

Properties
Excellent flame retardant and smoke suppressant, non-toxic, environmentally friendly

Poisonous
Non-poisonous

Product Type
Inorganic Chemical Compound

Usage
Used as smoke suppressant and flame retardant additive

Grade
Industrial

CAS No
12027-96-2

Compatibility
Compatible with various polymer matrices

Color
White

Bulk Density
0.3 - 0.6 g/cm³

Packaging
25 kg bags or customized packaging

Loss on Ignition
<12%

Oil Absorption
30 - 40 g/100g

Moisture Content
<0.5%

Grade Standard
Technical Grade

Thermal Stability
Stable up to 200°C

Particle Size
0.5 - 5 microns

Zinc Hydroxystannate (ZHS) Trade Information

Minimum Order Quantity
50 Kilograms

Supply Ability
1 Kilograms Per Week

Delivery Time
1 Week

About Zinc Hydroxystannate (ZHS)

Zinc Hydroxystannate (ZHS)

Chemical formula : ZnSn(OH6)

Appearance : White powder

Sn : 41%

Zn : 23%

CI : < 0.1%

Free H2O : < 1%

Specific gravity : 3.3

Median particle size (g/cm3): (M) 2.3

Aqueous solubility ( 20°C): <0.01%

Refractive index (20°C): 1.9

Decomposition temperature (°C): > 180

Application : ZHS was developed initially for use on halogen containing polymer formulation, especially flexible PVC for wires and cables

Outstanding Flame Retardant and Smoke Suppressant

Zinc Hydroxystannate (ZHS) provides superior flame retardancy and smoke suppression, enhancing fire safety in polymer systems such as PVC, rubber, coatings, and paints. With its high efficiency, ZHS helps inhibit flame propagation and reduce toxic fume emission, making materials safer and more suitable for environments where fire risk is a concern.

Safe, Non-Toxic, and Environmentally Friendly

ZHS is non-poisonous, odorless, and tasteless, making it an excellent choice for applications requiring stringent safety standards. Its environmental compatibility ensures it meets the requirements of modern, eco-conscious industries without compromising on performance.

Versatile Application and Reliable Performance

Compatible with a wide range of polymers and stable up to 200C, ZHS integrates seamlessly into formulations. Available in technical grade and customizable packaging options, it serves manufacturers, distributors, and end-users across India, supporting various industrial needs with assured quality and performance.

FAQs of Zinc Hydroxystannate (ZHS):

Q: How is Zinc Hydroxystannate (ZHS) used as a flame retardant and smoke suppressant?

A: ZHS is added as an additive to polymers such as PVC, rubber, paints, and coatings. It interrupts the combustion process and suppresses smoke production by releasing water at elevated temperatures and creating a barrier, improving the fire resistance and reducing smoke output of treated materials.

Q: What types of industries or applications can benefit from using ZHS powder?

A: Industries involved in manufacturing cables, wires, construction materials, automotive parts, and protective coatings widely use ZHS. It is especially beneficial in any application where fire safety and low smoke emission are critical requirements.

Q: When should ZHS be incorporated into a formulation, and at what stage?

A: ZHS should be incorporated during the compounding phase of polymer formulation. It blends well with various matrices before extrusion or molding, ensuring uniform distribution and optimal flame retardant performance.

Q: Where should Zinc Hydroxystannate be stored for maximum shelf life?

A: For best longevity, ZHS should be stored in a cool, dry place, tightly sealed in its original packaging or suitable containers, away from moisture and direct sunlight. Under proper storage conditions, it maintains its stability and effectiveness for up to two years.

Q: What advantages does ZHS offer compared to other flame retardant additives?

A: ZHS offers a unique combination of excellent flame retardancy, efficient smoke suppression, non-toxicity, high purity (>99%), and environmental safety. Its fine particle size allows easy dispersibility, making it superior for use in sensitive or high-performance applications.

Q: How compatible is ZHS with different polymer matrices?

A: ZHS demonstrates excellent compatibility with a variety of polymer matrices, including PVC, rubber, and various specialty resins, ensuring effective integration without negatively impacting physical properties or processability.

Q: What is the recommended process for handling and using ZHS powder?

A: Wear standard personal protective equipment and handle in a well-ventilated area to avoid dust formation. Add ZHS gradually during mixing, ensuring even dispersion throughout the polymer blend for optimal performance.

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