1. Material Selection & Formulation
High-purity graphite materials are selected based on specific operating conditions and performance requirements.
2. Compression Molding
Molding parameters are tightly controlled to ensure uniform density distribution throughout the formed part.
3. Precision Machining
Critical dimensions and flatness are machined to specified tolerances, with in-process controls applied to key geometric features.
4. Batch-Level Inspection
Each production lot undergoes systematic sampling and testing for:
- Material density
- Internal structural integrity
- Dimensional accuracy
- Flatness
- In-lot electrical resistivity consistency (batch-to-batch comparison)
5. Stack Assembly Compatibility Test
Prior to shipment, each plate is validated against the customer’s stack interface dimensions to confirm proper fit and sealing.
Quality Control Philosophy
While individual part compliance is essential, the true measure of quality lies in batch-to-batch consistency. XRD’s quality system ensures that variability across all key parameters within a given lot remains within strict control limits—not just meeting specifications, but holding stable performance across every piece delivered.
Why XRD Graphite
With over 30 years of expertise in graphite component development and manufacturing, XRD maintains end-to-end process control—from raw material sourcing through final finishing. Our approach prioritizes technical collaboration before commercial discussion; we engage early in the design phase to align on requirements, support sample validation, and ensure seamless scale‑up to volume production.
