Epoxy-terminated PDMS is the short name of epoxy terminated polydimethylsiloxane. It belongs to epoxy terminated linear silicone and not to epoxy branched silicone.
In the preparation of epoxy-terminated PDMS, the molecular weight and epoxy content are different with the different ratio of sealing agent to D4. We mainly have 6 types.
Name | Molecular weight (g/mol) | Viscosity (25°C, mm2/s) | Volatile Matter 150°C*3h,% | Purpose |
ES-6K | 6000 | 80--130 | ≤4 | Used to produce fluffy,elastic block silicone oil. |
ES-8K | 8000 | 150--200 | ≤4 | Used to produce smooth, hydrophilic silicone oil. |
ES-10K | 10000 | 220-270 | ≤4 | Used to produce soft,smooth block silicone oil. |
ES-15K | 15000 | 400-500 | ≤4 | Used to produce super smooth,soft block silicone oil |
ES-20K | 20000 | 600-800 | ≤4 | Used to produce super smooth, soft, hydrophilic block silicone oil for cotton |
ES-25K | 25000 | 800-1000 | ≤4 | Used to produce super smooth, soft, hydrophilic block silicone oil for cotton |
It is an important intermediate of ternary copolymerized block silicone oil; Can be used as an internal and external mold release agent for epoxy resin, with excellent mold release effect; A general purpose tackifier added to silicone rubber.
It is supplied in 200Kg drum or 1000Kg drum.
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