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Product performance advantage:

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Item

0 class

B1 class

B2 class

Structure

Closed cell

Closed cell

Closed cell

Temperature range

-50℃~105℃

-50℃~105℃

-50℃~105℃

Average temperature

Conductivity factor(w/mk)

0.034(0℃)

0.034(0℃)

0.034(0℃)

Water absorption ratio in vacuum

≤10

≤10

≤10

Flammability

Difficult to burn 0 class

Flame retardant class B1

Flammability B2

Oxygen index

≥40

≥32

≥28

Vertically burning

≤30s≤250mm

≤30s≤250mm

≤30s≤250mm

SDR

≤70

≤75

≤75

Density

40-80kg/m3

40-80kg/m3

40-80kg/m3

Crack resistance

≥2.5N/cm

≥2.5N/cm

≥2.5N/cm

Compression resilience ratio

≥70%

≥70%

≥70%

Dimension stability

≤10.0%

≤10.0%

≤10.0%

Aging resistance

Slightly crumpling, no cracks, no pin   holes, not deforming

Slightly crumpling, no cracks, no pin   holes, not deforming

Slightly crumpling, no cracks, no pin   holes, not deforming



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