Product Details
Rubber Adhesion Bonding Resin
,Steel Cord Bonding Adhesion Promoter
,Resorcinol Formaldehyde Pre-condensate SR022
- Reacts with methylene donors during vulcanization to form bonding resins
- Creates dual bonding mechanisms: chemical bonding with cords and curing with rubber double bonds
- Enhances adhesion between synthetic fiber cords, brass-plated steel cords, and vulcanizates
- Improves mechanical and dynamic properties
- Provides superior performance retention after aging
- Non-fuming formulation - superior to pure resorcinol and masterbatch R-80
- Incorporate SR022 during the first stage of the mixing cycle
- Recommended dosage: 1.5-2.0 phr
| Property | Specification | Test Method |
|---|---|---|
| Appearance | Red brown to dark brown pastilles | Visual |
| Softening point (Ring & Ball), ℃ | 98.0-106.0 | GB/T4507-2014 |
| Free resorcinol, % | ≤6.0 | GB/T30773-2014 |
| Heating loss, 65℃*2h, % | ≤1.0 | GB/T11409-2008 |
| Ash content, 850℃*2h, % | ≤1.0 | GB/T11409-2008 |
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