Diamond Systems Tritan Instrukcje Operacyjne Pobierz pdf (Strona 17)

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230 Casting System Crowns and bridges Stand 1.9. 03 A 10

Mixing:

Always use clean and dry mixing and measuring utensils!

Attention: Use one particular measuring container only for

Trinell liquids.

Mix well manually!

Mixing time in a vacuum mixing unit: 60 seconds

Attention: Do not dilute the slightly thick material.

Due to the moisture content, and the timely processing

time, a bubble-free investment is guaranteed.

Working Time: Approximately 6 minutes

Setting Time: 60 minutes

Microwave Drying:

The special feature of this investment material is that it can

be dried in a microwave oven. Due to this drying process,

the texture of the investment material is greatly improved.

General Information with Reference to the Microwave:

Investment casting rings with metal casting rings can be

dried in a suitable microwave oven at a low setting.

The best results are achieved when the microwave has a

turning plate and a microwave distributor that is located

on the inner side wall, with a plastic covering.

The microwave has to have continuous power starting

with "0", or the lowest setting (defrost) has to be at approxi-

mately 80 Watt. The drying time has to be reduced if the

power is above 80 Watt. The less suitable units are the ones

with an upper or lower microwave distributor.

Processing:

After investing, and one hour of setting time, cut the

surface with a knife (do not use a model trimmer).

Remove the bottom of the casting ring.

Set microwave to lowest setting (defrost).

Place casting ring, with the sprue facing down, into the

microwave. Set the unit for approximately 6–10 minutes,

depending on size and power of the microwave.

Best results are achieved with units of 800 Watt power and

a defrost setting of 80 Watt.

Example with the setting of 80 Watt ("Defrost"):

Size 3 casting ring: 6 minutes

Size 6 casting ring: 8 minutes

Size 9 casting ring: 10 minutes

This pertains to single casting rings. With more than one, the

working times have to be adjusted between 8 and 10 minutes.

Microwave drying is necessary with speed operation.

It is recommended with night operation.

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