RC-GJR 2120 is a low molecular weight, thermoplastic, C5/C9 copolymerized petroleum resin by Puyang Ruicheng Chem. It acts as a tackifier. It has certain fragility, viscosifying capacity and plasticity. It is recommended for rubber and tires. When it is used in rubber and tire it provides improved cohesive force between colloidal particle and cord, which applies to radial tire. It shows resistance against water, climate, alcohol, chemicals and light-proof aging. RC-GJR 2120 exhibits low acid value, chemical stability for acid-bases and good thermo stability. It is compatible with natural rubber (NR), synthetic rubber and styrene polymer such as SIS, SBS, SEBS & EVA and with natural viscosity resin such as rosin and its derivative.
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RC-GJR 2120 properties
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| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Acid Value | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Ash Content | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Bromine Number | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Color, Gardner | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Softening Point (Ring & Ball), ASTM E28-58 | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Specific Gravity | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Viscosity, Melt | 0.0 Visible After Login | Visible After Login | Visible After Login |