Overview of nano silica

Composition: Primarily composed of silicon dioxide (SiO2), similar to regular sand but on a much smaller scale.

Production: Nano silica can be produced through several methods such as sol-gel processes, vapor deposition, and plasma technology.

Applications: Due to its unique properties, nano silica finds applications in a wide range of fields including electronics, optics, biomedicine, and construction materials.

Features of nano silica

High Surface Area: One of the standout features of nano silica is its extremely high surface area relative to volume, which makes it highly reactive and useful for catalysis.

Enhanced Mechanical Properties: When added to other materials, nano silica can significantly improve mechanical strength, durability, and wear resistance.

Optical Properties: Depending on their size and shape, nano silica particles can manipulate light in interesting ways, making them useful in optical devices.

Biocompatibility: In biomedical applications, certain forms of nano silica are known for their biocompatibility and ability to deliver drugs within the body effectively.

Thermal Stability: Nano silica exhibits excellent thermal stability, allowing it to maintain its structure and properties at high temperatures.

Specification of Nano Colloidal Silica JN30/JN40 as binder for Investment precision Casting Silica Sol

Spec of Nano Colloidal Silica JN30/JN40

Product Overview

Nano Colloidal Silica JN30 and JN40 are high-purity silica sol binders produced financial investment accuracy spreading. These products use nano-sized silica particles put on hold in water. They provide strong binding power, superb security, and constant performance in covering mold production.

Secret Includes

High Purity: Both grades have over 99.9% SiO two with extremely low degrees of impurities like Na ₂ O and Fe ₂ O FIVE. This makes sure clean actors surfaces and decreases defects.
Narrow Particle Dimension: JN30 has an average particle dimension of about 30 nm. JN40 is around 40 nm. This tight control gives consistent slurry habits and smooth covering surfaces.
Steady Viscosity: The sol maintains steady viscosity over time. This assists maintain slurry residential properties regular throughout dipping and covering.
Excellent Drying Efficiency: Coverings completely dry swiftly without cracking. This quicken the production cycle and improves return.

Technical Data

– SiO ₂ Content: 30% ± 1% (JN30), 40% ± 1% (JN40).
– pH Worth: 8.5– 10.0.
– Certain Gravity (25 ° C): 1.20– 1.22 (JN30), 1.30– 1.32 (JN40).
– Viscosity (25 ° C): ≤ 2.0 mPa · s.
– Na Two O Material: ≤ 0.2%.
– Fe Two O Six Material: ≤ 20 ppm.

Application Guidelines

Usage JN30 or JN40 as the key binder in slurry for key and backup layers. Mix with refractory products like zircon or alumina flour. Change powder-to-liquid ratio based upon your process needs. Store in a great, dry area far from straight sunshine. Keep containers secured when not in use to prevent contamination or water loss. Stir gently before use if sediment kinds.

Applications of Nano Colloidal Silica JN30/JN40 as binder for Investment precision Casting Silica Sol

Applications of Nano Colloidal Silica JN30/JN40 as Binder in Financial Investment Accuracy Casting

Strong, Stable Binders for High-Quality Castings

Nano colloidal silica JN30 and JN40 are relied on binders in investment precision casting. They help develop solid, smooth ceramic coverings around wax patterns. These shells should hold their shape throughout high-temperature dewaxing and metal pouring. JN30 and JN40 deliver constant performance in this essential step.

Both products utilize nano-sized silica fragments put on hold in water. This provides superb binding power and quick drying out times. The tiny particle size fills spaces in between refractory grains much better than bigger bits. That causes denser, much more consistent covering layers. A tighter structure means fewer issues and cleaner actors surfaces.

JN30 has a reduced silica content and is excellent for the very first few layers of the covering. It flows quickly right into great details of complicated mold and mildews. JN40 includes a lot more silica and functions well in back-up coats. It constructs thickness promptly while preserving good stamina and thermal security.

Shops pick JN30/JN40 due to the fact that they lower shell splitting and enhance yield. The binders collaborate with usual refractories like zircon and alumina silicate. They also sustain quicker manufacturing cycles. Drying time in between layers is much shorter compared to typical ethyl silicate systems.

An additional benefit is ecological security. These binders launch just water vapor when dried out– no dangerous solvents or fumes. That makes office conditions much safer and streamlines compliance with air quality rules.

Operators find JN30 and JN40 easy to blend, apply, and control. Viscosity remains steady with time, which assists keep consistent slurry buildings. This reliability lowers rework and scrap prices.

In short, nano colloidal silica JN30 and JN40 offer factories a wise method to create specific, high-integrity castings with much less waste and lower threat. Their efficiency fits well with contemporary demands for performance, quality, and sustainability in metal casting.

Company Introduction

Welcome to HiphopGalaxy, a trusted global supplier of high-quality silicon dioxide (SiO2) powder, renowned for its exceptional purity and performance. Established with a vision to deliver cutting-edge materials that meet the diverse needs of modern industries, we have positioned ourselves as a leading player in the international market.

Our SiO2 powders find applications across multiple sectors, including adhesives, coatings, pharmaceuticals, cosmetics, polymers, and electronics. Each application benefits from the unique properties of our products—high surface area, excellent thixotropy, chemical inertness, and superior reinforcement capabilities. Whether you need hydrophilic or hydrophobic variants, we offer tailored solutions to meet your specific requirements.

If you have any questions, please feel free to contact us(nanotrun@yahoo.com).

Payment Methods

T/T, Western Union, Paypal, Credit Card etc.

Shipment Methods

By air, by sea, by express, as customers request.

5 FAQs of Nano Colloidal Silica JN30/JN40 as binder for Investment precision Casting Silica Sol

Frequently Asked Questions: Nano Colloidal Silica JN30/JN40 as Binder for Investment Casting

What is Nano Colloidal Silica JN30/JN40?

Nano Colloidal Silica JN30 and JN40 are high-purity silica sol binders. They contain nano-sized silica particles evenly dispersed in water. These products are made for investment casting shells. They help create strong, smooth, and thermally stable molds.

Why use JN30 or JN40 instead of regular silica sol?

JN30 and JN40 have smaller particle sizes and higher surface area. This gives better binding strength and faster drying. The shell layers become denser and more uniform. That means fewer defects and better surface finish on the final cast part.

What’s the difference between JN30 and JN40?

JN30 has a silica content of about 30%, while JN40 contains around 40%. Higher silica content means thicker slurry and stronger green strength. Use JN30 for smoother coatings or when slower drying is needed. Choose JN40 for faster build-up and higher shell strength.

How should I store JN30/JN40?

Keep the product in a cool, dry place. Store it between 5°C and 35°C. Avoid freezing and direct sunlight. Always keep the container sealed tightly to prevent contamination or evaporation. Use clean tools when handling to avoid introducing impurities.

Can JN30/JN40 be mixed with other binders?

It is not recommended to mix JN30 or JN40 with other binders unless tested first. Mixing may cause instability, gelation, or poor shell performance. If blending is necessary, do small-scale trials to check compatibility and shell quality before full production use.