Overview
UV-resistant plastic refers to polymer materials enhanced with additives like UV absorbers (e.g., benzotriazoles) or hindered amine light stabilizers (HALS) to mitigate degradation caused by ultraviolet radiation. These plastics are critical for outdoor or high-exposure environments where traditional plastics fail due to chain scission or oxidation. Common base polymers include polypropylene (PP), polyethylene (PE), and polyvinyl chloride (PVC), each modified for specific performance requirements. Industries favor UV-resistant plastics for their cost-effectiveness compared to metals or ceramics, coupled with design flexibility. The material’s performance is often quantified by accelerated weathering tests (e.g., ASTM G154), simulating years of sun exposure in weeks. Manufacturers may combine UV resistance with other properties, such as flame retardancy or impact strength, for specialized applications.
Physical and Chemical Properties
UV-resistant plastics retain the core properties of their base polymers while exhibiting superior stability under UV light. Key metrics include tensile strength retention (>80% after 1,000 hours of UV exposure) and yellowness index change (<2 units). The additives function by either absorbing UV radiation (converting it to heat) or scavenging free radicals generated during photo-oxidation. Density, melting points, and mechanical properties align with the base polymer but are less prone to environmental stress cracking. For example, UV-stabilized polycarbonate maintains its transparency and impact resistance, while treated polyethylene films show reduced embrittlement. Chemical resistance remains high, though prolonged UV exposure may alter surface wettability or adhesion properties in some formulations.
Main Applications
The primary use of UV-resistant plastic is in outdoor infrastructure, such as stadium seating, fencing, and roofing membranes, where durability against sunlight is paramount. Automotive components like bumper covers and mirror housings rely on these materials to prevent fading and maintain structural integrity over a vehicle’s lifespan. Agriculture benefits from UV-stabilized films for greenhouse covers and mulch films, which withstand years of solar exposure without tearing. Consumer goods, including garden furniture and playground equipment, also utilize these plastics for longevity. Emerging applications include solar panel frames and drone components, where weight savings and UV resistance are critical.
Safety and Storage
While UV-resistant plastics are generally safe, additives like nickel quenchers (used in some films) may require handling precautions. Dust from machining should be controlled via ventilation, and processing temperatures must stay below the stabilizers’ thermal limits to avoid gas release. Storage recommendations include keeping materials in original packaging away from direct sunlight, even during transit. Bulk pellets are hygroscopic in some cases (e.g., nylon-based formulations), necessitating dry storage to prevent processing defects. Disposal follows standard plastic waste protocols, though industrial quantities may warrant recycling due to the higher value of stabilized polymers.
B2B Procurement Guide
Buyers should prioritize suppliers that provide material datasheets with specific UV resistance metrics (e.g., QUV test hours equivalent to X years of sunlight). For construction projects, verify compliance with regional standards like EN 13501 (fire performance) or ASTM D4329 (weathering). Cost-saving strategies include ordering custom-compounded grades for large-volume applications, avoiding over-specification of stabilizer content. Lead times can vary; stock formulations (e.g., black UV-resistant ABS) are readily available, while custom colors or additive blends may require 6–8 weeks. Partner with manufacturers offering technical support for injection molding or extrusion parameters to optimize production yields.
Related Manufacturers
- 主营：[]
- 主营：光稳定剂1084、荧光增白剂OB、对甲苯磺酸钠、抗氧剂9228、抗氧剂565、抗氧剂5067、紫外线吸收剂BP9、紫外线吸收剂BP8、抗氧剂1098、紫外线吸收剂BP-1、抗氧剂T502、抗氧剂1135、水溶性紫外线吸收剂D、抗氧剂BHA、内酯型抗氧剂136、抗氧剂、紫外线吸收剂、光引发剂651、苯并三氮唑 BTA、光引发剂CBP、十二烷基苯磺酸钠、防老剂2246、防老剂
- 主营：食品厂防滑聚氨酯地坪、环氧地坪漆平涂、环氧地坪漆施工、环氧防静电自流平、工业厂房环氧地坪漆、防滑耐磨地坪漆、环氧自流平施工、聚氨酯超耐磨地坪、防腐耐磨地坪、自流平地坪漆、耐重压耐磨地坪、防静电环氧地坪、硅PU篮球场材料
- 主营：PEI、POM、PA6、抗紫外线性能良好PA12、PA66、PPS、LCP、工程塑料、PPO、POE、TPU、COC、EVA
- 主营：PEEK、PEEK原料、PEEK加纤、PEEK加碳纤、PEI塑料、PEI 1000、PES加纤、PPSU塑料、PSU塑料、PSU原料、PSU透明料、PPS加纤、POM加纤、POM改性料、PBT加纤阻燃、PBT加纤、PA66增韧、PA66加玻纤、PMMA粉、PVDF、FEP、PFA、ETFE、PA66、PES
- 主营：塑胶颗粒、韧性塑胶、塑胶原料、持久性塑胶、黄变性塑胶、抗蠕变能力塑胶、抗刮痕性能塑胶、低翘曲变形
- 主营：玻璃矿物、PMMA亚克力、PA9T工程塑料、POM塑胶原料、PA66塑胶原料、LCP塑胶原料、PA12塑胶原料、PA6塑胶原料、ABS塑胶原料、PC/ABS塑胶原料、PPO塑胶原料、TPEE塑胶原料、PBT工程塑料、沙林料、PC塑料、PVA降解塑料、TPU弹性体
- 主营：tpu德国、758塑料、阻燃abs、紫外线pc、抗紫外线、透明pc塑胶、阻燃pc塑胶、食品pp塑胶、pa66塑料、高透明pp、聚碳酸酯、阻燃尼龙、尼龙塑料、abs再生料、黑色防火、增强尼龙、塑料颗粒、纯树脂尼龙
- 主营：注塑材料、耐热材料、鞋材原料、中等抗冲击、高强度标准料、高流动性材料
- 主营：科思创PC、杜邦PA66、巴斯夫TPU、塞拉尼斯POM、恩欣格棒材POM-C、奇美PC/ABS、日本三菱PC、伊士曼PCTA、恩骅力TPEE、杜邦TPEE、东丽PPS、杜邦PBT
- 主营：PC、PBT、PA66、POM、POE、PC/ABS、PA6、EVA、PPS、PPA、PET、PBT/PET、PA6T、PA9T、PFA
- 主营：POM美国杜邦、PA66杜邦、TPV塞拉尼斯、抗紫外线聚丙烯塑胶、PPA瑞士EMS、ABS台湾奇美、EMA韩国sk、PETG韩国sk、PC沙伯基础、COC德国TOPAS、POK韩国晓星、PA6巴斯夫、EBA西班牙雷普索尔、EVA美国杜邦、PA12瑞士EMS、TPU德国巴斯夫、PARA比利时索尔维、PPO沙伯基础、PPS日本东丽、PPSU索尔维、PES美国索尔维、PSU索尔维、PCTG美国伊士曼、HDPE利安德巴塞尔、PMMA韩国LG、pcabs台化
- 主营：导电pom、拜耳tpu、pmmadr101、抗老化、热熔胶、pcg-3520m、耐候性、高耐热、570塑料、高透光、eva耐寒、玻璃珠、310热熔、pbt阻燃、lg-hi-121、absaf303g、100pbk602、pc-pc-115、pom韩国、ppy150095、专卖pom、abs树脂、pom颗粒
- 主营：塑胶跑道
- 主营：人造草坪、硅PU球场、EPDM颗粒、塑胶跑道、丙烯酸球场、混合型跑道、全塑型自结纹跑道
- 主营：POM杜邦500P、POM低声无噪音、PC高冲击、塑胶原料、PET杜邦FR515、ABS电镀级、ABS高流动PA-765A、PC沙伯基础创新、PC耐寒、PC耐油、PCABS阻燃无卤V0、PPS日本宝理1140A6、PC科思创拜耳FR6002、PCABS科思创FR2000、PPS日本宝理1140L4、PPS日本宝理1140A1、PPS菲利普R-4-200NA
- 主营：POM
- 主营：ASA工程塑料、EVA通用塑料、高温尼龙颗粒、PC/ABS塑胶原料、PA66塑胶原料、PMMA塑胶原料、PC塑胶原料、PBT塑胶原料、TPU塑胶原料、TPV塑胶原料、POM塑胶原料、PPS塑胶原料、PEEK塑胶原料、TPEE塑胶原料、阻燃级ABS、阻燃级PC、玻纤增强级PC、透明级ABS、LCP工程塑料、聚酰胺66、杜邦PA66、耐高温PC、阻燃abs、南亚PA66