1.首次使用透氣鋼清洗方法

經過研磨或者放電加工，透氣性已經恢復，安裝透氣鋼工件之前的清洗。

• 經過研磨或者放電加工，透氣性已經恢復之后，透氣鋼應放在約150℃的烘箱中保持約2-3小時。這將清楚大部分滲透進空隙結構的液體。

• 干燥后讓其恢復室溫，放入裝有丙酮的超聲波清洗裝中，清洗裝置建議有火花防爆開關、冷水機組、、溫度監控功能，這是推薦的清潔porcerax II透氣鋼方法。

• 使用風槍沖洗表面，每小時更換一次丙酮，當丙酮干凈時可結束清洗。

• 清洗完畢后，放置透氣鋼使其完全干燥，或使用烘箱加熱干燥。

流程：干燥→→清洗→→干燥
注：a.透氣鋼可在空腔側鉆孔攻絲，反沖洗孔的設計應可接受車間空氣接頭，方便日后的清洗維護操作，這個設計對于提高透氣鋼工件壽命非常有用，如下圖所示；
b.以上清潔步驟可能需要重復；
c.丙酮是易燃液體，請確保工件溫度是室溫，切勿使用超聲波清洗裝置的加熱功能。

2.透氣鋼使用過程中的清洗維護

透氣鋼工件在使用一段時間后，氣孔部分或完全堵塞時需要重新清洗，以恢復透氣性

噴涂或刷涂丙酮、模具清潔劑或溶劑在透氣鋼污染面，等幾分鐘，使用風槍沖洗，或使用上圖所示的反沖洗孔。
如堵塞嚴重或者方便，最佳的清洗方式應是同上使用超聲波清洗裝置。
注意：如PORCERAX II透氣鋼工件使用dichtol密封水管線都存在，清洗過后需要重新密封。
使用某些工程樹脂，可能有必要用其他化學產品清潔PORCERAX II，如至于6-8％氫氧化鈉溶液中。這可以在溫度高達60℃超聲波清洗機使用。期限不超過40分鐘，立即用水作為中和劑沖洗防止腐蝕，然后置于水中進行45分鐘的超聲波清洗。
流程：干燥→→清洗→→干燥

Cleaning, Maintenance and Resin Removal
There are two times cleaning must to be performed to Porcerax II:
The first time is when the tool shop has prepared the insert or cavity. The material is 25% air by volume and the cutting fluids will displace the air, thus filling and clogging the pores. After the permeability has been restored, by either stoning or EDMing the venting surface, the steel should be placed in an oven at about 350°F. for approximately 2-3 hours. This will thin and remove most of the fluids in the pore structure. Once cooled to room temperature, place the insert in an ultrasonic cleaning unit (built for flammable solvents) filled with acetone. These units have spark-proof switches, water chillers and are temperature monitored.This is the only recommended type cleaner for cleaning Porcerax II.
The steel should be thoroughly blown dry through a drilled, tapped, and EDM-relieved hole in the side of the insert or cavity. This clean-out or back-flush hole should be designed to accept a shop air fitting. This will be very useful over the life of the insert in back-flushing fluid and future residue from the insert, and for checking restored permeability with filtered shop air. (See photo below.) If the cleaning operation is not completed, due to the trapped fluids, inside permeability will not exist.
Note: In addition to the other cleaning methods, it may be necessary to back-flush the Porcerax II inserts with acetone, using air pressure, in order to thoroughly clean the inserts. Care should be taken when using solvents under pressure.
Note: These cleaning steps may need to be repeated
Note: Do not use any heating device that may be supplied by the ultrasonic cleaner.
The second time cleaning is needed is after the insert or cavity has been in operation and film, a thin layer of mold release agent, resin residue, shop oil or any other contaminate has partially or totally blocked the air flow. There are two primary ways to clean this surface:
Spray or brush a liberal amount of acetone, mold cleaner or solvent onto the contaminated surface of the steel, wait a few minutes, then back-flush the insert with filtered compressed air. This can be done through the drilled and tapped hole previously discussed. Or, if material is inserted, by tapping the exhaust line that exits the core block and attaching an air fitting there.
The second and preferred way
to clean the porous material is to remove the insert or take the small cavity and place the insert in an ultrasonic cleaning unit (built for flammable solvents) filled with acetone. These units have spark-proof switches, water chillers, and are temperature mounted.
This is the only recommended type cleaner for cleaning Porcerax II.
Note: In addition to the other cleaning methods, it may be necessary to back-flush the Porcerax II inserts with acetone, using air pressure, in order to thoroughly clean the inserts. Care should be taken when using solvents under pressure.
Note: Either of these cleaning steps may need to be repeated
Note: When cleaning Porcerax II, if Dichtol sealed waterlines are present, the need to
reseal these waterlines will be required.
Note: With some engineered resins it may be necessary to clean Porcerax II inserts with other chemicals such as a 6 to 8% Sodium Hydroxide solution. This can be used in an ultrasonic cleaner with temperatures up to 160 degrees F, for a period not to exceed 40 minutes. Immediate flushing with water as a neutralizer should take place in order to prevent corrosion within the Porcerax II insert. A 45-minute ultrasonic cleaning in water should follow this. Then remove the insert and dry with filtered compressed air. Consult your chemical supplier for the necessary safety instructions!