how to make liquid rubber

by:Keyuan     2020-07-15
Liquid rubber, which is mainly used for prototyping applications, can fall on the model and can be hardened without sticking to the surface of the model.
Once the hardened rubber shell is removed, it comes with the surface details of the modeling object.
In case the details are intact, you can copy the exact size of the object to the surface texture based on the casting material used.
Liquid rubber is made of silica gel or polyurethane and has a variety of compounds.
Each compound produces a liquid of a specific viscosity for pouring or brushing on the surface, each with a specific tear strength for obtaining toughness using a harder casting material.
No matter what the liquid rubber compound is made of, the production of the liquid basically remains the same.
Measure the area you fill with liquid rubber, for example, with a model box inside.
Measure the length, width and height using a tape measure.
Multiply the length, width, and height to get the volume of the filled space.
For example, a 5-
Inch cube will be 5-
5-inch high
5-inch wide
Inch deep or 125
The volume is cubic inches.
Measure the object being modeled using the same measured value as the acquisition object volume. A 4-
The inch cube will be 4-as a model-by-4-by-
4 inch, equal to 64-
The volume is cubic inches.
Subtract the model volume from the area volume to obtain the total amount of liquid rubber required for the project to mix.
For the sake of small security measures, the adjustment amount increased by 10%. A 125-
64 cubic inch box
The model of cubic inch needs 61-
The volume of liquid rubber is cubic inches, plus a safety margin of 6 inch, that is, the total amount of rubber is 67 cubic inches.
Check the coverage information provided by the rubber manufacturer to determine the amount of liquid rubber required to cover the volume.
Measure the recommended amount of liquid rubber for the required coverage and pour the necessary amount of each compound into a separate cup in proportion.
The two parts of the rubber mixture are labeled \"A\" and \"B \".
\"The ratio you should use is listed in the manufacturer\'s instructions.
Mix each ingredient for three minutes until there is no color stripe in the material.
To color the rubber, add the paste paint to the Cup with the largest ingredient.
Pour the ingredient \"B\" into the ingredient \"A\" and mix it fully.
Once combined, the rubber begins curing immediately, each liquid rubber compound containing a specific panlife. The pot-
Life is the length of time when rubber has enough viscosity to be poured or brushed into place. After the pot-
Life is over and you can no longer use rubber in liquid form.
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