Plaster

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- Directions for Using

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Plaster

 

Other Industrial Plaster | High-expansion Model

Other Industrial Plaster | High-expansion Model

(Gypsum Model)

Sam Woo DIASTON-ME series High-expansion Model Gypsum is used for plastic expansion models and casting or steel contraction by congelation.

(Gypsum Model)

01. Production of expansion molds to compensate for the rate of contraction       by congelation of various types of steel (Gypsum Model)
02. Compensation for the rate of contraction of resin molds
03. Reproduction of steel casts

 

Type

Water consistency
( % )

Water temperature
(¡É)

Mixing time
(Min.)

Setting time (min.)
Initial

Setting time (min.)
Final

Wet expansion
(m/m)

Wet compressive
strength
(§¸f/§²)

Property

ME-50

40

20

5-6

15

30

5/1000

200

shrink revision of iron

ME-100

40

20

5-6

15

40

12/1000

200

shrink revision of zinc, bronze and aluminum alloy

ME-200

40

20

5-6

15

50

20/1000

200

Shrink revision Of zinc,bronze And aluminum alloy Casting copy

ME-250

40

20

5-6

15

50

25/1000

200

Shrink resivion of stainless steel

 

01. Accurately measure the amount of gypsum and water to be mixed.
02. The mixing case must be clean and if possible, its size should be appropriate to the amount of gypsum       to be used.
03. Make sure to mix them after fixing them for one or two minutes after putting water on the gypsum.
04. To get an even slurry, use mixing wings that have a high mixing efficiency and a mixing machine that is       suitable to the mixing case.
05. For the mixing duration, please follow the instructions on the test report .
06. When using several mixing cases, use them appropriately to get an even consistency in a cast.
07. When casting complex shapes, particularly concave shapes, low-expansion gypsum should be used.
      In the case of convex shapes, use gypsum after transcription. In addition, if part of the cast is concave,       cast the part separately. This is necessary since the amount of expansion at the time of casting-out is       about 50%.