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+86-13070805560
Apr 12, 2017
Model NO.:RF-5, RPA, PETS
Kind: Rubber Processing Aids
Appearance: Granulars
Melting Point: 105 Max
Specification: RoHS
HS Code: 382490999
Including a series of rubber processing aids, LRPA, RF-5, RPA, PETS, which applied as the excellent mould release agents or dispersants for NR, EPDM, SBR, SSBR, NBR, FKM, etc, or as the carbon black dispersants.
| Name: | Chemical Composition | Melting Range | Appearance/ Supply Form | Applications |
| RF-5 | Blend of fatty acid ester, Zn soaps and fillers | 85-105 | whitish pastilles | Acting as one excellent dispersion promoter for high loading silica compounds. it shows excellent behavior in silica/carbon black compounds. RF-5 improves filler dispersion and reduces mixing and Mooney viscosities. RF-5 increases scorch safety and reduced energy consumption in extrusion. Used in tire, molded and extruded articles of all types, hard rubber. |
| PETS | pentaerythrityltetrastearate | 55-65 | Whitish flakes or powders | PETS it can effectively prevent the sticking of the compounds to the rubber rolls, and has positive effect regarding the flow and demoulding properties with the injection and mould pressing process, suitable for ACM, H-NBR, EVA, CSM, ECO/CO, IIR/CIIR/BIIR, CR, etc. |
| RPA | combination of zinc salts of higher molecular fatty acids | 97 - 105 °C | light brown pastilles | Excellent peptizing effect in NR and IR upwards of 60°C, can decrease the viscosity of compounds based on NR resulting in an easier processing, which leads to higher extrusion rates, better dimensional stability and a stable die swell. RPA provides a good dispersion of the fillers and rubber chemicals in the compound. Used in tire, molded and extruded articles of all types, hard rubber. |
| LRPA | Blend of zinc salts of higher molecular, mostly unsaturated fatty acids | 75-90 | Light brown pastilles | Low melting-point grade processing promoter, more effective in NR and IR rubber at a mill temperature as low as 60 °C. Suitable for low temperature continuous mixing and open mill mixing for tire, molded and extruded articles of all types, hard rubber. |
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