UNPARALLELED LTD is one of the leading manufacturers and suppliers of granite surface block in China. With abundant experience, we warmly welcome you to buy advanced granite surface block made in China here from our factory. We also accept custom orders.
Products Description
Crafted from AAA-grade industrial natural black granite, UNPARALLELED® granite surface block combine exceptional material properties with precision machining to provide a stable and reliable benchmark solution for high-end manufacturing. Strictly adhering to international standards, these components are widely used in high-precision applications such as metrology, CNC machining, and laser equipment, serving as core components in industrial automation.
quality control
Core Features
Material Advantages
AAA-grade natural granite surface block: Selected from high-quality ore sources in Jinan, India, and South Africa, with a purity of up to 99.9%, water absorption less than 0.1%, and compressive strength greater than 200 MPa.
Thermal Stability: The thermal expansion coefficient is as low as 4.5 × 10⁻⁶/°C, ensuring dimensional stability despite temperature fluctuations.
Surface Properties: Shore hardness greater than 75 HSD, surface roughness Ra ≤ 0.4 μm, and precision-polished to a mirror finish.
Precision Performance
Positioning Accuracy: ≤ 1 μm/m (compliant with ISO 10130 standards)
Flatness Error: Class 00 (according to GB/T 22095-2008 standards)
Long-term Stability: Annual drift less than 0.5 μm, 30% better than the industry average.
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BRAND |
UNPARALLELED |
MATERIAL |
Nature Granite |
|
APPLICATION |
Metrology, Inspection and Measuring Machines |
DENSITY |
3070kg/m3 |
|
CONDITION |
NEW CUSTOM |
COLOR |
Pure Black |
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ORIGIN |
Jinan |
PRECISION |
1 μm or higher |
|
WARRANTY |
1 YEAR |
STANDARD |
DIN, GB, ASME,JIS... |
|
PACKAGING |
Custom Export Package |
CERTIFICATE |
ISO9001, CE... |
|
PAYMENT ITEM |
T/T, L/C... |
KEY WORD |
granite surface block |
|
MATERIAL |
Jinan, China; India; South Afica |
TECHNICAL |
Inpsection& Calibration& Assembly |
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PRICE |
EXW, FOB, CIF, DAP, CPT... |
SERVICE |
Design drawings |
Application Scenario
Metrology and Testing
Coordinate Measuring Machine (CMM) datum platforms, optical inspection equipment bases
High-end Manufacturing
CNC machine tool worktables, laser cutting equipment positioning bases
Research and Experimentation
Semiconductor wafer inspection platforms, aerospace component calibration fixtures
services
Competitive Advantage
- Material Traceability System: Each batch of products includes a geological report to ensure material consistency.
- Precision Machining Center: Utilizes five-axis grinding equipment, increasing machining efficiency by 40%.
- Lifecycle Support: Provides installation guidance, annual precision re-inspections, and lifetime maintenance recommendations.
- Customization Capabilities: Supports machining dimensions ≤5000mm and can integrate T-slots, threaded holes, and other features.
certificates
Ordering Information
- Minimum Order Quantity: 1 piece (standard model) / 5 pieces (custom model)
- Production Lead Time: 7 days for standard products, 15-25 days for custom products
- Shipping: EXW/FOB Qingdao/CIF major ports
- Technical Support: 3D models (STEP format) and installation layout drawings are provided
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