Ortotypo 4 extra hard dental stone, 25 kg


Price:
£59.99

Description

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.

Technical details

Colour
white
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

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