Glass Specimen of Roughness tester

Premium Ra Roughness Calibration Blocks ISO & GB Certified

Ultra-Durable Multi-Groove Glass Standards for All Roughness Testers

Key Features 

✔️ High-Accuracy Glass Substrate – Maintains ≤Ra0.1-3.2 precision

✔️ Hardened Surface Technology – Scratch-resistant & deformation-free

✔️ Extended Lifespan – 3X longer durability vs. conventional metal blocks

✔️ Universal Compatibility – Works with all domestic/imported roughness testers

✔️ Radius Variation Immunity – Minimized probe radius impact on measurements

Certified Compliance 

✅ GB/T 19067.1-2003  ISO 5436-1:2000

Traceable calibration for industrial QA/QC applications

Product Lineup 

Model    Ra Range       Application

G-Series Ra0.1-3.2      Routine calibration of standard roughness meters

GX-Series      Ra<0.1   Precision instruments & lab-grade validation

GH-Series     Ra≥3.2  Heavy-duty surface texture analysis

Technical Advantages 

Multi-Groove Template Design: Enables simultaneous verification of square wave patterns and roughness parameters

Thermal-Stable Glass: <0.001mm dimensional drift under -20°C~80°C

NIST-Traceable: Full documentation for audit compliance

Why Choose Us? 

15+ years OEM supplier to aerospace/automotive industries

Global shipping to 30+ countries with TUV-certified packaging

Free technical support + calibration protocol templates

If you are interested in our Glass Specimen of roughness, just choose us as your reliable hardness tester factory now! Welcome to contact us to get your competitive price!