Potting Process Checklist

MWF Schedule - Warehouse

The storage room has temperature of between 22°C to 25°C

The storage room has relative humidity of between 30% to 40%

Confirm chemical Spill Tray

Confirm materials is sitting on the shelves or pallet

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Confirm spill Kit Cabinet Present

Opening of new container - Production

Confirm wearing of Proper PPE(e.g. face mask, head cover, safety goggles)

Confirm perform homogenization or pre-mixing of Resin

Extract small sample of Hardener confirm it is not cloudy and no crystallization

Confirm that the batch inside the feeder and the fresh material are of the same expiry date

Opening of new container - Quality

After homogenization, Density is within +/-0.01g/cm3 using CoA as reference

Start of the Shift - Maintenance

Dessicant are still in good condition and the color has not changed

Confirm machine for any visible damage, leaks, or loose parts.

Confirm power supply is stable, emergency stops are working, and all safety guards are in place.

Correct recipe/program is selected for the loaded material.

Work area is clean, tools are organized, and waste bins are emptied.

Confirm mixing chamber and nozzles are clean, and correct static mixer is used

Start of the Shift - Production

Confirm machine recipe matches loaded material

The potting room/area has temperature of between 22°C to 25°C

The storage room/area has relative humidity of between 30% to 40%

Confirm sort: Remove unnecessary tools, materials, or waste from the work area.

Confirm set in Order: Arrange necessary items neatly and label if needed.

Confirm shine: Wipe down machines, tools, and floor surfaces-- keep everything clean.

Standardize: Confirm correct locations for materials, tools, and documents are maintained.

Sustain: Do a quick final confirmation if the area still organized and ready for the next operation?

Confirm if the Feeder Mixer is rotating as per set up.

Confirm the actual temperature of the Resin Feeder as per requirements

Start of the Shift - Quality

Confirm material in feeder is not expired

Calculate the absolute humidity and confirm less than 10g/m3

Start of the Shift - Quality/ Engineer/ Production

Confirm that the equipment is delivering the correct mixing ratio (5 readings; collect the data)

Prepare and cure cup sample, then confirm and record hardness

Upon Arrival of Goods - Receiving/ Incoming Quality

Confirm product name, batch numbers, quantities, and packaging type against the invoice/delivery documents.

Confirm packing List

Confirm safety Data Sheets (SDS, especially important for chemicals)

Confirm certificate of Analysis (CoA) if applicable (some products or lots might require it)

Confirm the condition of the truck/container (sealed, clean, dry, no odor of spillage).

No signs of leakage, dents, damage, punctures, swelling, etc.

Pallets properly wrapped, not broken.

Labels are intact and readable:

Remaining shelf life is acceptable

Goods are transferred immediately to proper storage room and conditions

The storage room has temperature of between 22°C to 25°C

The storage room has relative humidity of between 30% to 40%

Confirm goods are not exposed to direct sunlight or windows