測(cè)試項(xiàng)目
Test Item
|
測(cè)試條款
Test Clause
|
性能
Performance
|
限制火焰蔓延
Limited flame spread
|
移除火焰后燃燒時(shí)間
After flame time [s]
|
0
|
陰燃時(shí)間
Afterglow time [s]
|
0
|
形成孔洞
Hole formation
|
無
NONE
|
燃燒或熔化的碎片
Flaming or molten debris
|
無
NONE
|
熱傳遞(輻射熱)
Heat transfer
(radiant heat)
|
輻射熱傳導(dǎo)系數(shù)=
Radiant Heat Transfer Index (RHTI) =
Time to rise the temperature at 24°C (RHTI24)
[s]
|
>120
|
熱傳遞(對(duì)流熱)
Heat transfer (convective heat)
|
輻射熱傳導(dǎo)系數(shù)
Heat Transfer Index (HTI) =
Time to rise the temperature at 24°C (HTI24) [s]
|
> 21
|
接觸熱
Contact heat
|
閾限時(shí)間
Threshold time = time to rise the temperature at 10°C [s]
|
> 15
|
隔熱性
Heat resistance
|
點(diǎn)燃
Ignition
|
無
NONE
|
熔融
Melting
|
無
NONE
|
形成孔洞
Hole formation
|
無
NONE
|
熔滴
Dripping
|
無
NONE
|
縱向收縮
Shrinkage machine [%]
|
5
|
橫向收縮
Shrinkage cross [%]
|
5
|