modelingmaterials-資料下載頁
2025-07-17 16:17本頁面
【正文】 , ?Water/powder ratio, ?Rate of mixing, ?Time of mixing, ?Accelerator and retarder 2) Viscosity ?Highstrength dental stones ?Impression plaster 3) Compressive strength 4) Surface hardness and ? abrasion resistance 5) Tensile strength 6) Reproduction of dental 7) Setting expansion Manipulation Mixing : 1. Using a metal spatula with a stiff blade 2. Using a handmechanical spatulator 1 minute / 2 revolutions per second 3. By a powerdriven mechanical spatulator 20 seconds / lowspeed drive Pouring: vibration Separated: 45~60 minutes Disinfect the models:
高考資料相關(guān)推薦
鄂ICP備17016276號-1