检测项目
1.紫外线老化测试:紫外线强度0.55W/m²at340nm,暴露时间1000小时,评估材料褪色和降解
2.温度循环测试:温度范围-20°C至60°C,循环次数50次,检测热胀冷缩性能
3.湿度暴露测试:相对湿度95%at40°C,持续时间500小时,评估吸湿性和霉变
4.盐雾腐蚀测试:5%NaCl溶液,喷雾周期8小时湿/16小时干,总时间1000小时,测量腐蚀速率
5.机械强度测试:抗拉强度≥50MPa,弯曲强度≥30MPa,验证结构完整性
6.颜色牢度测试:灰度等级≥4afterexposure,评估颜色稳定性
7.表面粗糙度测试:表面粗糙度Ra≤1.6μmaftertest,检测表面退化
8.耐化学性测试:抵抗5%aceticacid和5%sodiumhydroxide溶液,浸泡24小时无变化
9.防水性测试:水浸没24小时,泄漏率≤0.1mL/h,确保防水性能
10.抗风测试:风速upto100km/h,持续时间1小时,检查结构稳定性
11.耐磨性测试:abrasioncycles≥5000次,重量损失≤0.1g
12.耐冲击测试:冲击能量5J,落球高度500mm,无裂纹或断裂
检测范围
1.木制户外家具:包括teakwood和treatedpine,测试防腐处理和耐候性
2.金属户外家具:aluminum和steelwithpowdercoating,关注腐蚀和涂层adhesion
3.塑料户外家具:HDPE和PPwithUVstabilizers,评估老化和机械性能
4.藤编户外家具:naturalorsyntheticrattan,测试柔韧性和耐湿性
5.复合材料户外家具:wood-plasticcomposite,检查界面结合和耐久性
6.遮阳伞:fabriccanopyandmetalframe,评估UVresistance和结构强度
7.户外座椅:chairsandbenches,测试承重和稳定性
8.餐桌:diningtables,关注表面耐刮擦和耐热性
9.躺椅:recliners,检测调节机构和材料疲劳
10.秋千:swings,评估悬挂系统和安全性能
11.户外储物柜:plasticormetal,测试防水和锁具耐久性
12.花园装饰品:statuesandornaments,检查颜色保持和抗风化
检测方法
国际标准:
ASTMG154-16JianCePracticeforOperatingFluorescentUltravioletLampApparatusforExposureofNonmetallicMaterials
ISO4892-2:2013Plastics-Methodsofexposuretolaboratorylightsources-Part2:Xenon-arclamps
ASTMB117-19JianCePracticeforOperatingSaltSpray(Fog)Apparatus
ISO9227:2022Corrosiontestsinartificialatmospheres-Saltspraytests
ASTMD4329-21JianCePracticeforFluorescentUVExposureofPlastics
ISO11341:2004Paintsandvarnishes-Artificialweatheringandexposuretoartificialradiation-Exposuretofilteredxenon-arcradiation
ASTMD4587-11JianCePracticeforFluorescentUV-CondensationExposuresofCoatings
ISO4611:2010Plastics-Determinationoftheeffectsofexposuretodampheat,watersprayandsaltmist
ASTMD2247-15JianCePracticeforTestingWaterResistanceofCoatingsin100%RelativeHumidity
ISO2812-2:2018Paintsandvarnishes-Determinationofresistancetoliquids-Part2:Waterimmersionmethod
国家标准:
GB/T14522-2008Mechanicalindustrialproducts-Testmethodsforartificialweatheragingofplastics,coatings,rubbermaterials
GB/T1766-2008Paintsandvarnishes-Evaluationofdegradationofcoatings-Designationofquantityandsizeofdefects,andofintensityofuniformchangesinappearance
GB/T10125-2021Artificialatmospherecorrosiontests-Saltspraytests
GB/T1865-2009Paintsandvarnishes-Artificialweatheringandexposuretoartificialradiation-Exposuretofilteredxenon-arcradiation
GB/T2423.3-2016Environmentaltesting-Part2:Tests-TestCab:Dampheat,steadystate
GB/T9286-2021Paintsandvarnishes-Cross-cuttestforadhesion
GB/T1735-2009Determinationofheatresistanceofpaintsandvarnishes
GB/T3511-2018Rubber-Determinationofresistancetoozonecracking
GB/T1040.1-2018Plastics-Determinationoftensileproperties-Part1:Generalprinciples
GB/T2411-2008Plasticandebonite-Determinationofindentationhardnessbymeansofadurometer(Shorehardness)
检测设备
1.氙灯老化试验箱:型号Xenon-ARC-1000,模拟全光谱sunlight,irradiancecontrol0.55W/m²at340nm
2.紫外线老化箱:型号UV-TEST-300,提供UVexposurewithcondensationcycle,温度范围30-80°C
3.盐雾试验箱:型号Salt-Spray-500,5%NaClsolutionspray,温度控制35±2°C
4.恒温恒湿箱:型号TH-200,温度范围-40°Cto150°C,湿度范围10%to98%RH
5.万能材料试验机:型号UTM-50,最大载荷50kN,用于tensileandcompressiontests
6.颜色测量仪:型号Color-Meter-CM100,测量colordifferenceΔE≤0.1,符合CIELAB标准
7.表面粗糙度仪:型号Surface-Rough-200,测量范围Ra0.05-10μm,精度±0.01μm
8.防水测试设备:型号Water-Proof-100,水压测试upto10kPa,泄漏检测灵敏度0.01mL/min
9.风洞测试设备:型号Wind-Tunnel-WT50,风速范围0-150km/h,可调turbulenceintensity
10.化学暴露chamber:型号Chem-Exp-400,控制chemicalconcentrationandtemperature,用于耐化学性测试