MG Chemicals - 832FX-450ML Black Flexible Epoxy Encapsulating and Potting Compound, 450 mL, 2-Part Kit,
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Selected User Reviews For MG Chemicals - 832FX-450ML Black Flexible Epoxy Encapsulating and Potting Compound, 450 mL, 2-Part Kit,
Over a 48-hour (yes, two-day) period, this professional/commercial grade material firms up according to the instructions. That's fine, but make certain you're aware of the situation. The finished product is a very glossy black that is still very firm. It doesn't resemble a silicone-based compound, which is a good thing. It's clear that it's softer than a typical two-part epoxy potting compound, however. br>br>In a 1: 1 ratio, the material is mixed. 1 ratio. Due to separation, each component must be mixed separately before combining. This is clearly stated in the instructions. It has a very thin consistency before it sets up, almost like water. Because of those properties, it is not suitable as a conformal coating, but it works well as a potting compound (which is what it is advertised as). br>br>Comes with three 25cc mixing cups, as well as printed instructions and warnings. br>br>Just make sure the device the circuit you're potting is embedded into won't leak the material out over the 48-hour cure time. Because the fumes from this material are toxic before curing, it is necessary to wear a respirator.
It's all very simple. Allow 15 minutes for the mixture to air out before pouring it in. br>br>According to the instructions, combine 1: 1:1 ratio of liquid volume Then specify a maximum batch size in terms of weight, as well as how many batches you want to make. The use of a scale is not mentioned in the video. It would be helpful if they could provide a fluid volume to weight conversion. br>br>So, if you don't have a scale, 100g equals about 100ml. I mix 50: 50, and you'll be well on your way to a successful recovery. br>br>In case anyone is curious, the edges never cure when mixing 200ml (200g) at a time. It was a hard lesson to learn.
Great! What I was looking for.
It's best if you can heat up the part to speed up the curing process; otherwise, it can take a day to set up vs. 2 hours with heat.
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