序号
|
项目/item
|
指标/technical
indicator
|
1
|
反射率/reflectivity
|
太阳反射率ρs≥0.83/
solar
reflectivityps≥0.83
|
2
|
发射率/emissivity
|
半球发射率εh≥0.86/
hemisphere
emissivityεh≥0.86
|
3
|
漆膜干燥时间/drying duration of paint film(25℃,湿度50%)
|
表干≤30min;实干≤48h
surface
drying≤30min;hard dying≤48h
|
4
|
附着力(划圈法)adhesion(circle drawing method)
|
一级
level
i
|
5
|
耐弯曲性/resistance to bend(mm) ≤
|
2
|
6
|
冷脆性
cold
brittleness
|
-50℃不脆裂
no brittle
fracture at -50℃
|
7
|
热粘性
thermal
visistance
|
70℃不粘连
no adhesion
at 70℃
|
8
|
耐盐雾(500h)
salt mist
resistance
|
通过
|
9
|
耐水性
water
tolerance
|
168h无起泡、剥落
no bubble
and peeling after 168h
|
10
|
耐碱性
alkali
resistance
|
48h无起泡、剥落
no bibble
and peeling after 48h
|
11
|
耐沾污性
stain
resistance
|
≤10%
|
12
|
耐候性
weather
resistance
|
人工加速老化3000h不起泡、不剥落、无裂纹/
manually
accelerate its for 3000h,it turns pink instead of yellow and
peels
|
13
|
阻燃性
flame
retardant resistance
|
离火3s自熄碳化
self-extinguished and carbonized within 3s away from fire
|