Reasons for poor curing of addition silicone potting compound:
1.Contact materials: When in contact with the following ingredients, it will affect the surface curing. The slight one will only cure incompletely on the surface, and the heavy one will cause permanent or even incomplete curing:
● Release agent, such as detergent;
● Plasticizers, such as certain plasticizers in insulating plastics, wires and protective coils;
● Substances containing nitrogen, phosphorus, sulfur and halogen, such as natural rubber and neoprene;
● Soldering flux, such as rosin;
● Organometallic (lead, tin, mercury, etc.);
● Amine-containing substances, such as polyurethane and epoxy resin
● Condensation silicone sealant or potting compound
2.Environment: When using, avoid residual oil in the container or the object being used; avoid some impurities falling into it;avoid contact with some commonly used plasticizer plastic and
rubber glove; whether the vacuum equipment or oven has used (at the same time) epoxy resin, polyurethane, condensation silicone products.
3.Operational aspects: The mixing ratio is not carried out in accordance with the technical parameters; because some products have not been used for a long time, there is some sedimentation, and each component is not fully stirred before use.
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