Q:Is plywood like laminated hard plastic sheet or Formica sheet suitable for use as ceiling and partition wall of clean room?
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A:It’s just usable for clean room with cleanliness class ≥10,000. Due to plywood cut edge will generate sawdust and dust, if relative humidity is low in clean room, the plywood is likely to deflect and distort, unable to fit light steel frame; thus, unless proper and stable fitting is managed, indoor relative humidity is >50%, and overcome 4Q problems, or else it’s unsuitable for use.