Overview
EPS foam corner protectors are engineered packaging components made from expanded polystyrene beads molded into L-shaped or U-shaped profiles. They serve as internal cushioning to prevent impact damage to product edges during shipping and handling. Primarily used in furniture, glass panels, and appliance packaging, these protectors distribute external forces across their cellular structure. Their popularity stems from combining protection (withstanding up to 50 psi compressive strength) with extreme lightness (typical density 0.7-2.2 lb/ft³).
Product Features
The closed-cell structure of EPS provides exceptional energy absorption, reducing G-forces during drops by up to 70% compared to bare packaging. Unlike PU foam alternatives, EPS won't retain moisture that could damage goods. Modern variants include flame-retardant grades (meeting UL94-HB standards) and conductive types (surface resistance <10⁴ Ω) for electronic components. Custom colors and printed logos are available for brand differentiation in retail packaging.
Main Uses
Industrial applications focus on high-value fragile items: marble slabs use 100mm tall protectors with 30kg/m³ density, while LCD screen packaging employs 2-5mm thin versions with velvet-laminated surfaces. In furniture export, these protectors prevent 80-90% of corner damage claims according to logistics studies. Special wedge-shaped designs exist for cylindrical objects like lamps, demonstrating the product's adaptability across sectors.
Culture and Development
Originally adapted from construction-grade EPS in Japan during the 1970s electronics boom, dedicated corner protector molds emerged when Sony standardized component shipping protocols. The 2000s saw eco-friendly advancements like biodegradable EPS (containing 30% plant-based materials) and recycled content versions. Current R&D focuses on smart protectors with embedded IoT impact sensors for premium logistics monitoring.
B2B Procurement Guide
Bulk buyers should verify supplier mold capabilities - standard protectors range from 15-300mm lengths with ±0.5mm tolerance. For hazardous material shipments, ensure EPS grades meet IMDG/ICAO regulations. Leading manufacturers offer just-in-time production with 5-7 day lead times for 10,000+ unit orders. Sample testing under ISTA 3A protocols is recommended before large purchases. Container-load quantities (typically 40-60 m³ per 20' container) yield 15-30% cost reductions.
Related Manufacturers
- 主营：泡沫护角、Epe珍珠棉
- 主营：珍珠棉、泡沫包装、泡沫颗粒、护角家具、白色减震、包装缓冲、泡沫板防震、白色泡沫板
- 主营：cpe磨砂袋、珍珠棉、EVA泡棉、L型纸护角、eps泡沫板、epp泡沫板、pe胶袋、真空包装袋、生物降解胶袋、pof热收缩膜、pvc热缩袋、气泡袋、epp板材、聚丙烯发泡板、定制epp泡沫板、阻燃epp板材、泡沫大板、泡沫片材、收缩膜、收缩袋、EPE珍珠棉管、pvc标签膜、PE四方袋、发泡板、收缩膜定制
- 主营：eva泡棉、防静电eva泡棉、阻燃eva泡棉、eva内衬、珍珠棉内衬、彩色eva泡棉、EPP泡沫板、聚丙烯泡沫板、珍珠棉内托
- 主营：缠绕膜、珍珠棉袋、塑料中空板、泡沫护角、加硬纸护边护条、订做加厚泡沫棒
- 主营：珍珠棉、eva胶条、泡沫包角、泡沫护角、合旺包装、酒瓶泡沫箱、防静电气泡袋
- 主营：珍珠棉、防震内托、锁扣包装、泡沫内衬、防震内衬包装盒、缓冲开槽、缓冲泡棉、包装材料、内托内胆、塑料泡沫板、防震泡沫板、异形泡沫板、防震物流包装、快递防护包装、防滑抗压内垫、防震缓冲材料、防摔泡棉包装
- 主营：鸡蛋托、吸塑包装、泡沫包装、内衬包装、内衬定做、eva内衬包装、EPE植绒内衬、植绒eva内衬、珍珠棉护角、EVA内衬、EPE箱子内衬、海绵内衬、包装材料、珍珠棉定制、珍珠棉蛋托、化妆品内托包装、珍珠棉、EPE泡沫棉、蛋托包装、珍珠棉护垫、防震泡沫棉、珍珠棉植绒、珍珠棉水果托、防静电泡沫板、包装盒植绒
- 主营：eva泡棉、嵌缝板、低发泡板、eva包装内衬、发泡保温板、雕刻包装内衬、内托内衬包装盒、eva泡绵板材、闭孔发泡板、闭孔泡沫板、硬质泡沫板、低倍发泡板、低倍泡沫板、低发泡填缝板、包装辅助材料、橡胶减振垫板、低发泡聚乙烯板
- 主营：EVA卡槽、EVA背胶、EVA雕刻、EVA内衬、EVA贴绒、EVA片材、EVA卷材、EVA周转箱、EVA防撞条、EVA垫片
- 主营：珍珠棉厂家、珍珠棉、泡沫棉包装内托、泡沫棉护角、百搭珍珠棉、EPE珍珠棉、EPE泡沫棉
- 主营：气柱卷、拉链袋、泡沫棉、保丽龙、铝箔袋、包装膜、充气袋、食品袋、泡沫垫、缠绕膜、气枕袋、气泡柱、珠光袋、珍珠棉、信封袋、气泡垫、打包袋、塑料袋、真空袋、防水袋、气泡片、物流袋、发泡袋、气泡袋、手提袋、包装袋
- 主营：珍珠棉管、珍珠棉异形定制、EPE珍珠棉、珍珠棉护角、EPE珍珠棉包装、贴绒布珍珠棉包装
- 主营：热收缩膜、收缩膜、热缩膜、纸护角、热缩袋、pof收缩膜、交联膜、pvc收缩膜、bopp薄膜、热封膜、气泡膜、密封袋、自封袋、珍珠棉、泡棉、opp胶袋、纸包角、包装袋、包装膜、泡泡袋、快递袋、印刷膜、pe膜、泡沫
- 主营：缠绕膜、珍珠棉、气泡膜、保护膜、收缩膜、胶带、打包带
- 主营：直角护角、泡沫保护盒、珍珠棉、定位包装、相框家具
- 主营：吸音棉、吸音材料、背绒胶布、保丽龙、泡绵密封垫、绝缘片、防震防滑垫、硅胶/橡胶、防尘/防震双面胶
- 主营：防撞扶手、pvc扶手、医院扶手、医用护角、走廊扶手、无障碍扶手、医院轨道、输液轨道、隔帘轨道、医用输液吊杆、输液吊架、医用护墙板、医用隔帘布、残疾人扶手、马桶扶手、洗手盆扶手、小便器扶手、防滑扶手、淋浴扶手、防滑浴凳、上翻扶手、上翻浴凳、病房导轨、尼龙扶手
- 主营：气泡袋、珍珠棉覆膜袋、导电气泡袋、珍珠棉铝膜保温材料、珍珠棉、防静电气泡袋、珍珠棉复铝膜、cpe胶袋
- 主营：立体袋、四方袋、PE塑料袋、珍珠棉内衬、PE平口袋、热收缩袋、塑料真空袋、气泡膜、气泡袋、缠绕膜、珍珠棉、塑料薄膜、防静电气泡袋、平口塑料袋、塑料背心袋、pe立体袋、气泡膜卷、珍珠棉袋、拉伸缠绕膜、拉伸膜
- 主营：接缝条、填缝板、接缝板、保丽龙、泡沫条、塑料板、泡沫棒、泡沫板、塑料条、异型件、发泡棒、膨胀胶、嵌缝板、挡风条、珍珠棉、填缝胶、密封膏、圆柱管、密封胶、灌封膏、塑料棒、灌封胶、止浆条、止浆棒、修复剂、闭孔板