基本信息
| 出生地 | China (Mainland) |
|---|
Technical paramenters of PU sandwich panel productsItemsUnitMeasured ValueStandard ValueInspection StandardDensity(Atmo-spheric temperature)kg/m3≥42.9≥30ASTM;GB6343;GB/T6343-96Heat conductivty coefficientW/m.k≤0.020≤0.027ASTM;GB10294;Water vapor permeability coefficientNg/pa.m.s≤3.34GB/T17146Water absorptiong/100cm2≤0.5≤4GB/Z228;GB8810-88Closed-cell rate%≥97≥90GB10799Compressive strengthkPa≥220≥150GB8813Flexural bearing capacityKn≥2450≥1750GB/T8812Continuous working temp±150Oxygen index≥28≥26GB2406Combustion levelB1GB8624Maximum flame spread rate1525ASTM E84Vertical flammabilityAverage burning time Average burning height≤7.96 ≤15≤30 ≤250GB8333Dimension stability≤1%V≤4%ASTM/national standards
交货条款及包装
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