What is the chemical stability of sapphire glass?

It has excellent chemical stability, being insoluble in water and resistant to strong acids and bases. However, it is not resistant to HF and hot Phosphoric Acid.

Low Outgassing Vacuum Safe Sapphire Glass Window Lens for Space Instruments

Name: Low Outgassing Vacuum Safe Sapphire Glass Window Lens for Space Instruments
Brand: Heyuan Yushi Technology Co., Ltd
SKU: 2238589975

Guangdong, ChinaHeyuan Yushi Technology Co., Ltd

US$1.00-5.00

1 Piece

Product specifications

customization

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Yes

Warranty

Yes

Model NO.

1-1000mm

Usage

Optical

Type

Flat Lens

Transmittance

>95%

Shape

Single-Lens

Material

Optical Glass

Lenses Color

Clear

Certification

ISO9001

Customized

Coating

Density

3.98 G/Cm³

Refractive Index

1.761.77 (@589nm)

Polishing Grade

Optical (Ra<5nm)/Commercial (Ra<20nm)

Melting Point

2040 °C

Thermal Conductivity

25 - 35 W/(M·K)

Transport Package

Factory-Sealed

Specification

1-1000mm

Trademark

Yuanshi Technology Co., Ltd., Heyuan

Origin

Heyuan

Production Capacity

1000000/Year

Key features

Exceptional Hardness: Mohs hardness of 9, second only to diamond, offering superior scratch resistance.

Customizable Options: Supports customized shape, size, coating, and polishing grade based on requirements.

Chemical Stability: Excellent resistance to water, strong acids, and bases; insoluble in water.

Low Outgassing: Ideal for space instruments and vacuum environments due to low outgassing properties.

Versatile Coatings: Available with AR, HR, hydrophobic, and conductive coatings for specific applications.

Company profile

High Repeat Buyers ChoiceImporters and ExportersQuality AssuranceManagement Certification

Heyuan Yushi Technology Co., Ltd

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: N/A CertifiedNearest Port: Guangzhou Port, Shenzhen PortAverage Response Time: ≤18h

AI-Powered supplier vetting

SummaryThe supplier is a limited company offering optical lenses, sapphire lenses, sapphire glass, and watch lenses, with registered activities covering optical glass, functional glass, new optical materials, and related manufacturing. It reports a 1,500 m² manufacturing plant, five production lines, and equipment including CNC, grinding, molding, inspection, cleaning, and testing machinery. Customization from samples and designs is available. The supplier has in-stock capability and accepts FOB, CIF, CFR, and EXW terms, but has no overseas warehouse, showroom, agents, branches, or offline trade-show participation. R&D resources appear limited to two years of engineer experience, and no SDK is available. Certification status, customer cases, environmental documentation, fire-drill status, ERP integration, and sustainable-practice implementation are not sufficiently evidenced. A valid manufacturing-capacity contract with related subcontractors is explicitly absent.

Supplier typeThe supplier is identified as a limited company with a combined company type. Its stated activities include optical glass manufacturing, unsealed glass casings, non-metallic mineral products, jewelry manufacturing, and related optical-material sales, indicating a manufacturer with trading-related scope rather than a purely trading entity.

R&D capabilityThe supplier’s scope includes new-materials technology R&D and new optical materials, and it offers customization with listed production and testing equipment. However, no SDK is available, R&D engineer experience is listed as two years, and ERP and sustainable-practice implementation statuses are unknown, so overall innovation strength is mixed and not sufficiently established.

Production capacityProduction evidence includes a 1,500 m² plant, five production lines, optical and glass manufacturing scope, and equipment such as CNC, grinding, molding, ultrasonic cleaning, inspection, and impact-testing machines. In-stock capability is available, although the supplier explicitly lacks a valid manufacturing-capacity contract with related subcontractors.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization. This is direct evidence of broad stated customization coverage.

Product Q&A

Q:Is sapphire glass made from natural gemstone sapphires?

No, it is a synthetic sapphire crystal created by crystallizing aluminum oxide at high temperatures. It has identical physical properties to natural sapphire but is manmade.

Q:Why is sapphire glass more expensive than standard glass?

The complex manufacturing process makes it more expensive. However, it is a valuable investment due to unparalleled scratch resistance and durability, saving costs from frequent replacements.

Q:What is the primary advantage of sapphire glass?

Its core advantage is an exceptional Mohs hardness rating of 9, making it highly resistant to scratches from everyday materials like keys, knives, or sand.

Q:Is sapphire glass shatterproof and impact resistant?

No. High hardness does not equal high impact resistance. It can be brittle and susceptible to cracking under sharp, concentrated point impacts. It is specialized for scratch prevention, not drop protection.

Q:Can the product be customized?

Yes, customization is available for shape, size, coating, and polishing grade. Options include flat, spherical, or aspheric forms tailored to specific requirements.