What is the hardness of the sapphire glass?

It has a Mohs hardness of 9, making it second only to diamond in hardness.

Wide Temperature Range Stable Sapphire Glass Window Lens for Extreme Conditions

Name: Wide Temperature Range Stable Sapphire Glass Window Lens for Extreme Conditions
Brand: Heyuan Yushi Technology Co., Ltd
SKU: 2232862395

Guangdong, ChinaHeyuan Yushi Technology Co., Ltd

US$1.00-5.00

1 Piece

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Yes

Warranty

Yes

Model NO.

1-1000mm

Material

Glass

Shape

Ball

Application

Medical, Civil, Labs

Usage

Medical, Optical

Type

Flat Lens

Transmittance

>95%

Lenses Color

Clear

Certification

RoHS, ISO9001

Customized

Coating

Hardness

Mohs Hardness of 9

Material Type

Synthetic Sapphire Glass

Density

3.98 G/Cm³

Refractive Index

1.761.77 (@589nm)

Polishing Grade

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

Transport Package

Factory-Sealed

Specification

1-1000mm

Trademark

Yuanshi Technology Co., Ltd., Heyuan

Origin

Heyuan

Production Capacity

1000000/Year

Key features

Superior Hardness & Durability: Mohs hardness of 9, second only to diamond, ensuring scratch resistance.

Customizable Optical Specs: Offers custom sizes, coatings (AR/HR), and polishing grades.

High Chemical Resistance: Resistant to strong acids/bases; insoluble in water (Class 1).

Multi-Industry Application: Suitable for medical, aerospace, semiconductor, and laser systems.

OEM/ODM Support: Full customization from samples or designs with 2 R&D engineers.

Strict Quality Control: 100% inspection with 5 QA inspectors and ISO9001 certification.

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.