Сохранить в закладки 1601222795994:
No | Item(JC/T 375-2012) | Index | ||||||
ordinary type | Heat-reflecting type | |||||||
1 | solid content/% | ≥65 | ≥65 | |||||
2 | No treatment for tensile strength/Mpa | ≥1.5 | ||||||
3 | Elongation at break without treatment/% | ≥150 | ||||||
4 | tear strength/(N/mm) | ≥12 | ||||||
5 | water absorption /% | ≤15 | ||||||
6 | unpermeability | 0.3MPa,30min imperviousness | ||||||
7 | heat resistance | 90℃,5h No bubbles, flaking, cracks | ||||||
8 | Low temperature flexability | -30℃,1hNo cracks, and does not separate from the substrate | ||||||
9 | Peel adhesion(N/mm) | ≥0.30 | ||||||
10 | heat treatment | Tensile strength retention rate/% | ≥80 | |||||
elongation at break/% | ≥100 | |||||||
11 | Immersion treatment | Tensile strength retention rate/% | ≥80 | |||||
elongation at break/% | ≥100 | |||||||
12 | acid treatment | Tensile strength retention rate/% | ≥80 | |||||
elongation at break/% | ≥100 | |||||||
13 | Artificial weathering treatment | Tensile strength retention rate/% | ≥80 | |||||
elongation at break/% | ≥100 | |||||||
14 | Heat expansion ratio | elongation/% | ≤1.0 | |||||
shorten/% | ≤1.0 | |||||||
15 | Stain resistance (white and light *)/% | <20 | ||||||
16 | Solar emission ratio (white) | ≥0.80 | ||||||
17 | Hemispherical emissivity | ≥0.80 | ||||||
Note: Only the solar reflection ratio of white paint is required, and the solar reflection ratio of light paint is agreed by the supply and demand parties | ||||||||
Light color refers to the light color of the coating film formed by the light color coating prepared with white paint as the main component and adding an appropriate amount of color paste after drying. According to GB/T 15608-2006, the brightness value is 6~9 (Yd65≥31.26 in the tri-stimulus value) |
Новинки товаров от производителей по оптовым ценам