Inordertoavoidentryofairthroughaleakagewerefertothemanualofthe ovensuppliers.Wehighlyrecommendtokeepthemaintenanceintervalsfor thedoorsealsandthebearingsofthecirculationfan. Basedona50litredebindingfurnace(e.g.HeraeusVT6060Mu2)anitric acidfeedoftypically30ml/handapurginggas(nitrogen)throughputof 500l/hprovedtoleadtosafeprocessing.Atthisgasthroughputtheacid feedmaynotbeincreasedtomorethan38ml/h. Thedebindingprocessisfinishedwhenaminimaldebindinglossof7.2%is reached.