Keep Warm Sandwich Panel House External Wall Insulation Boards With Concrete Sandwich Board

??????? Test Item

Detection standard and requirements

The third party test results

Dimensional Deviation

Length(mm)

GB/T7748-1999

±1.5

-1.0~0

Width(mm)

±1.5

-1.0~0.5

Thickness(mm)

±0.5

-0.2~0.1

Diagonal difference(mm)

≤2.0

0.5

No straight degree in Border(mm/)

≤2.0

0

Warping degree(mm/m)

≤3.0

0

Test Item

Detection standard

and requirements

The third party test results

Coating thickness(μm)

GB/T13452.2-

2008-10

≥30

199

Coating adhesion(MPa)

GB/T5210-2006

≥0.3

1.7(0.8-2.7),100%A

Hardness(Pencil)

GB/T6739-2006

≥4H

6H No scraping damage

Abrasive resistance(750g/500r)

,Suitable grinding wheel type:CS-10

GB/T1768-2006

0.003

Solvent resistance wiping(Butanone,

100times)

HC/T-3792-2005

Appendix

No undercasing

Meet the requirement

Acid-resistance(5%HC1 liquor,24H)

GB/T9274-1998

No blistering,No Falling off,non-discolouring

No Change

Alkali resistance

GB/T9274-1998

No blistering,No Falling off,non-discolouring

No Change

Abrasion performance

HC/T3793-2005-

4.1/4.3

≥5

12

Stain resistance

GB/T9757-2001

Appendix A

≤5

5

Scrub resistance

GB/T9266-2009

≥10000

>10000

Oil resistant(Immerse in engine oil? SE15W-40 24H)

GB/T9274-198888

No blistering,No Falling off,non-discolouring

No Change

Alkali burnout resistance(72H)

JG/T210-2007

No abnormalities

Salting-out resistance(144H)

JG/T210-2007

No abnormalities

Weather resistance

GB/T1865-2009,GB/T1766-2008

Artificial climate ageing and radiation exposure

4000Hrs after testing,Dulling≤3Grade,

Discoloration≤2Grade