Ivoclar Vivadent SR Adoro - Manual (Page 60)

60
Masking of Model Cast Retentions with Gingiva Opaquer
Conditioning with SR Link
After finishing the model casting, carefully blast the retentions with aluminium oxide (Al
2
O
3
), 80–100 microns at 3 bar
(44 psi) pressure (see Instructions for Use of the corresponding alloy). Sandblasting improves the mechanical bond. It
roughens and thus substantially increases the surface of the object. After blasting, remove blasting medium residue by
tapping off and not by cleaning with steam or an air gun. Apply SR Link immediately after having tapped off the residue.
Apply SR Link with a clean disposable brush and allow it to react for 3 minutes. Do not "soak" metal surface in SR Link.
Carefully blast the retentions with Al
2
O
3
, 80–100 microns at max. 3 bar (44 psi) pressure; then remove any residue by careful tapping with an instrument.
Apply SR Link immediately after the blasting procedure using a disposable brush and allow to react for 3 minutes.
– When using SR Link, do NOT clean the framework with steam or with an air gun after blasting.
– Do not touch the surface once it has been cleaned!