Extra-hard stone specifically developed for all orthodontic models, demonstration and antagonist.
Characterized by high hardness, extra fine granulometry, low expansion and fast setting time.
Ortotypo4 is often used with acrylic resins (both hot or cold polymerization processes) with unaltered surface and no models’ breakage risks .
It is compatible with all impression material and all products for the isolation of plaster against plaster.
Sold in 25 kg tubs.
|Water/powder ratio||22 ml/100 g|
|Imbibition time||20 seconds|
|Manual mixing time||60 seconds|
|Mechanical mixing time||30 seconds|
|Pouring time||3 minutes|
|Setting time||7 minutes|
|Time for separation after setting||30 minutes|
|Setting expansion (after 2 hours)||0.08%|
|Compressive strength (after 24 hours)||103 MPa – 14.927 Psi – 1.051 Kg/cm2|
|Rockwell hardness (after 24 hours)||95 HRl|
Delivery to UK
We close on the 23 December. The last day we ship orders is the 22nd December. Our couriers will not guarantee delivery before Christmas Day on any parcel posted after the 17th December.
We reopen on Tuesday the 4th January after the bank holiday Monday.
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