Polymer silicone rubber for mother shape GMOLDS
GMOLDS Silicone rubbers for the realization of mother shapes from casts of objects. The silicone molds thanks to the elasticity and tear resistance allow you to make many copies, faithful in every detail. High characteristics for casting reproduction, dosage 100 to 3 or 100 to 5 in relation to the processing temperature. G is a kind of two-component silicone rubber vulcanized in condensation, part A is a creamy fluid or rubber part B is the hardening agent or catalyst. It is mainly used for the construction of mother shape or molds.
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How to use GMOLDS
Step 1: Prepare the original molds. Make sure that the original mold has no imperfections. After carefully closing the original molds, place the mold with the colo mouth facing upwards.
Step 2: Take 100G parts A and add 3G B parts and mix evenly. *
Part A is a kind of white liquid fluid, and Part B is the hardening agent or catalyst.
Follow each step carefully:
1.Weigh the two parts exactly in electronic weight, if, for example, you add a lot of catalyst, the hardening time will be very fast to operate, and will cause problems for laying.
2.Mix part A and B evenly, otherwise, the silicone rubber will be partly solidified and this will give birth to difficulties in the final processing. What's more, the finished molds will meet a short life. All these drawbacks will cause the loss of silicone rubber.
Step 3: Pumping vacuum. Without exception, this takes less than 10 minutes. Otherwise, it will cause cross-linking reaction, and no further steps will be available.
Step 4: Casting or brush pouring.
* Notes: 1. For simple models it is recommended to pour the product into the mother form, it will be easy to use the G. castable silicone. It requires viscosity that facilitates use to make it flow smoothly in order to degasse. 2. For delicate products we recommend using a brush, which can copy the model exactly. Brush silicone requires high viscosity that will not be easy to flow away and easy to brush.3. 3. After that, after 12 hours, you can use the silicone mold, for the first laying of the shape for mass production. Expiration date 1 year, (12) months, to be stored in a cool, dry place inside the original packaging, below 25 °C. Blue silicone rubber conf. kg.1 + Catalyst is external to the rubber packaging, in the small bottle without wording. Before large-scale application, please perform a test on small quantities of product, after the positive test, it can be put into production on a large scale otherwise, the supplier will not be responsible for the economic losses caused by customers using directly without testing the product. The same offers free technology and application solutions, such as the construction of molds and the formation of silicone rubber models. Before large-scale application, please perform a test on small quantities of product, after the positive test, it can be put into production on a large scale otherwise, the supplier will not be responsible for the economic losses caused by customers using directly without testing the product. The same offers free technology and application solutions, such as the construction of molds and the formation of silicone rubber models. Please read the above instructions carefully, otherwise, we will not be liable for any losses without your attention on the instructions. Attention: The catalyst added in larger quantities than indicated, will cause greater shrinkage of the silicone molds, if the customer wants to obtain a precise mold, please carefully check the rubber / catalyst ratio. GOMODEL is obtained from the proportion of catalyst mixed with rubber and their reaction varies depending on the different temperature as indicated below. Temperature below 0 °C, no matter how much catalyst you add, silicone rubber will react very slowly, and will not harden properly. Temperature below 5 ° C, added with 10% catalyst the silicone rubber will react very slowly, and will harden correctly within 24 hours. C. Temperature below 15 °C, added with 5% catalyst, the working time is about 90-120 minutes, it will harden correctly in about 5-6 hours. When processing takes place at about 25 ° C, added with 3% catalyst, the working time is about 30-40 minutes. Curing time is about 2-3 hours. When the temperature is about 35 ° -40 ° C, added with 2% catalyst, the working time is about 30-40 minutes. Curing time is about 2-3 hours. When the temperature is about 35 ° -40 ° C, added with 2% catalyst, the working time is about 30-40 minutes. Curing time is about 2-3 hours. Note: (1) 4# Catalyst makes the rubber, adhering to the shape, to solve the problem of condensation of silicone to the mold, spread on the mother shape a layer of release agent and on the surface of the mold before pouring the Gmolds, so as to prevent the two parts from sticking. (2) 4# Catalyst is to be used in proportion to the amount of silicone rubber, it is produced with the need for high performance, which bind rubber polymers. 4# It is an agent that binds liquid silicone rubber, it is also called as cross that connects agent.When adding 3% amount of this 4# catalist to liquid silicone rubber, the working time is about 30-40 minutes, the curing time about 2-3 hours. Since this is a special catalyst, the mixing ratio must be perfect, please use a precision electronic balance to weigh the silicone rubber and catalyst, the mixing ratio must be accurate, using a precision balance, the mixing ratio between silicone rubber and catalyst is 100:3.