夏季户外高温下的SBR扶手带问题不等于质量缺陷
Black Dust from SBR
escalator handrailEscalator Handrails in Summer Is Not a Quality Defect
在户外扶梯中，若采用SBR（丁苯橡胶）材质的扶梯扶手带，夏季阳光直晒、气温较高时，可能出现表面出黑粉、易脏手的现象。
In outdoor escalators, when SBR (Styrene-Butadiene Rubber) handrails are used, high temperatures and direct sunlight in summer can cause black powder residue on the handrail surface, which may stain users’ hands.
⚠️ 这类现象并非产品制造质量问题，而是材料特性在特定环境下的表现。
⚠️ This is not a product quality defect, but a material response under specific environmental stress.
为何会出现黑粉？——SBR 材质的耐候性限制
Why Does This Happen? — Limitations of SBR Weather Resistance
SBR 是一种常见的扶手带材料，具有性价比高、弹性好的特点，但其在耐紫外线、抗氧化和耐高温方面不如 CSM 或 EPDM 材质。
SBR is widely used in escalator handrails due to its good elasticity and cost-efficiency. However, it has lower resistance to UV, oxidation, and heat compared to materials like CSM or EPDM.
当扶梯长时间暴露在高温和强光环境中，SBR 扶手带表面可能发生：
氧化老化 → 表层析出碳黑颗粒
表面粉化 → 用户手部被染黑
Under prolonged exposure to sunlight and heat, SBR handrails may:
Oxidize and release surface carbon black
Create a powdery texture that transfers black dust to users’ hands
解决方案：后期保养+材料升级并行
Solutions: Maintenance + Material Upgrade
✅ 日常维护建议：
✅ Daily Maintenance Tips:
使用专用橡胶清洁剂定期清洁扶手带表面
增加清洁频次（尤其在夏季或强紫外区域）
定期清洁梯路滚轮，避免滚轮附着碳黑反复污染扶手带
Use special rubber cleaners regularly on handrail surfaces
Increase cleaning frequency, especially in summer or high-UV regions
Clean escalator roller surfaces regularly to prevent carbon black build-up and re-contamination
🆕 材料替代推荐：
🆕 Recommended Material Upgrade:
为了彻底杜绝“黑粉脏手”问题，建议使用本公司研发的高耐候性扶手带材料，如：
To permanently solve the issue, we recommend switching to our high-performance materials such as:
RS 系列复合橡胶扶手带（兼顾耐热与成本）
CSM（氯磺化聚乙烯）扶手带，具备卓越的抗老化、抗紫外和耐油性能
RS Series composite rubber handrails (optimized for outdoor use and cost)
CSM handrails, with excellent UV, aging, and oil resistance properties
🌤️ 适用于高温、强日照、沿海等特殊环境的长期解决方案
🌤️ Ideal for hot, sunny, or coastal outdoor environments
结语
Conclusion
夏季黑粉并不意味着产品质量问题，而是扶手带材质与环境匹配度不足。通过定期保养可有效减缓现象，通过材料升级可彻底解决。选择合适的escalator handrail，才能确保乘客体验与设备寿命的双重保障。
The black powder issue in summer is not a defect but a material-environment mismatch. Regular cleaning reduces the problem, while material upgrades eliminate it. Choosing the right escalator handrail ensures both passenger satisfaction and long-term durability.
