Generally speaking, the silicone rubber has two kinds, tin cure (condensation cure ) silicone and platinum cure (addition cure) silicone rubber. And the part B of both kinds are the hardner. Usually, the pigment would be added into the hardner. But what we should pay attention to is that the platinum cure silicone rubber is very sensitive, and the heavy mental or the impurities can make it uncured easily. So pls do make sure the pigment is suitable for silicone rubber. Then, how many to add? If for the tin cure silicone rubber, add about 2% pigment into the hardner first (100g hardner, 2g pigment.) stir them evenly and then add it into the rubber base. If for the platinum cure silicone rubber, add about 0.2%~0.5% pigment into the hardner first (100g hardner, 0.2g~0.5g pigment) stir them evenly and then mix it with the silicone rubber base. Of course, you can adjust the addition of the pigment according to the different shade you want.
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Dear honorable customers, Thank you very much for your support and cooperation all the time. Please kindly be advised that our office will take a holiday from Jan. 19th to Feb. 4th , 2017 for the coming Chinese We will resume the normal work on Feb. 5th, 2017. Thanks a lot for your support in the […]
As we all know, the hardness of the Sibetter mould making silicone rubbber ranges from below 0 shore A to 60 shore A, or higher. And if the hardness is not suitable, the silicone mould would meet some problems, such as the nondurable, less duplications times, thrinkage, ect. Then how to choose the right items […]
Dongguan Sibetter New Material Technology Co.,Ltd that established in 2005, is a science and technology corporation which is engaged in production, R&D, and sales of organic silicone new material.
Generally, there are two ways to make the silicone rubber moulds. Now we are going to introduce you how to use Sibetter silicone rubber to make the moulds by brushing way, which is better to copy the detailed patterns with less silicone rubber.
Generally, there are two ways to make the silicone rubber moulds. Now we are going to introduce you how to use Sibetter silicone rubber to make the moulds by pouring way, which is the most easy way to make the moulds with simple patterns.