hydro-stone® 200 was developed as the world's first special plaster for counter-bite impressions made from alginate. hydro-stone® 200 is a special super hard stone according to DIN EN ISO 6873: 2013, type 4, low thixotropic, fast-setting, optimized for alginate and hydrophilized silicone impression materials for counter bites, plastic dentures, model casting and orthodontics.
Mixing ratio: - 23 ml : 100g
Stirring time (mach.): - 30 s
Processing time: - appr. 4-5 min.
Setting time: - appr. 9-10 min.
Hardness 24h: - > 200 N/mm²
Hardness 30/60 min: - appr. 170/180 N/mm²
Compressive strength 1/24h: - appr. 50/ > 60 MPa
Expansion DIN: - < 0,10 %