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Run: Clay Preparation and Raw Material Mix Verification

Verify clay, shale, and additive mix before extrusion with a batch-level inspection that checks proportions, moisture, grind, and blend uniformity. Use it to...

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Inspection Scope and Batch Identification

Batch, lot, or production run identified before inspection begins

Record the batch number, lot number, or production run identifier for the material being inspected.

Approved formulation or mix specification available at point of use critical (required)

Verify the current approved recipe, formulation sheet, or SOP is accessible to the operator and inspector.

Yes No N/A

Material traceability documented for clay, shale, and additives

Confirm source identification and traceability records are available for all major raw materials used in the batch.

Yes No N/A

Raw Material Proportion Verification

Clay proportion matches approved target range critical (required)

Enter the measured clay percentage in the blend and compare it to the approved formulation.

Shale proportion matches approved target range critical (required)

Enter the measured shale percentage in the blend and compare it to the approved formulation.

Additive proportion matches approved target range critical (required)

Enter the measured additive percentage in the blend, including tempering agents, color modifiers, or processing aids as applicable.

Moisture and Conditioning Control

Blend moisture within target operating range critical (required)

Measure and record the moisture content of the prepared raw material blend.

Moisture distribution appears uniform throughout the batch

Assess whether the batch shows even conditioning without dry pockets, over-wet clumps, or segregation.

Conditioning time or tempering time recorded

Verify the batch was held, mixed, or tempered long enough to stabilize moisture before forming.

Yes No N/A

Grind, Particle Size, and Blend Uniformity

Grind fineness meets process specification critical (required)

Record the measured grind or particle size result used by the plant, such as sieve retention, mesh size, or equivalent internal specification.

No visible oversize lumps, foreign material, or hard agglomerates critical (required)

Inspect the prepared mix for oversized pieces, debris, or hard clods that could affect extrusion or surface finish.

Yes No N/A

Photo evidence (optional)

Blend appears homogeneous with no segregation of fines or coarse material

Verify the mix is evenly blended and does not show layering, streaking, or separation during handling.

Yes No N/A

Extrusion and Fired Color Readiness

Material condition suitable for stable extrusion critical (required)

Rate whether the prepared mix is expected to extrude smoothly without slumping, tearing, cracking, or excessive die pressure.

Mix consistency supports target fired color

Confirm the current material condition and formulation are within control limits to support consistent fired color.

Yes No N/A

Any formulation or process deviation documented and escalated critical (required)

Record whether any deviation from the approved mix, moisture target, or grind specification was identified and communicated to supervision or quality.

Yes No N/A

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