Item

Index

Density,  kg/m3

500

thermal conductivity, W/(m . k)

0.06

compressive strength, Mpa

0.7

tensile strength, Mpa

0.25

bending strength, Mpa

4.0

static bending strength, Mpa

7.0

elastic modulus ,Mpa

1100

water absorption,%

3.0

Soften coefficient

0.8

moisture expansivity,%

0.3

pH value

7～8

burning properties

Class A2

No.

Type  

Item

Anti-fire

thermal   conductivity（w/m.k）

strength

water   absorption（%）

Installation  

Installation   time

Remark/   conclusion

1

Mineral wool   disassemble-free board

A

0.06

good

1.5

Easy, no need   disassembling the mould and making heat-insulation belt

No need   outer wall painting and making heat-insulation belt

Installation   time is short, suitable for all types of building,  saving labor, time and cost

2

Timber mould +   Class B heat-insulation board + anti-fire sheet+ anti-fire window

plastic extruded  

B1

0.028

ordinary

3

need disassembling   the mould and making heat-insulation belt

Long time and need   outer wall painting

Low fire-proof   class, high cost, hard installation, over 100m cannot be used

polystyrene

B1

0.038-0.041

ordinary

3.3

need   disassembling the mould and making heat-insulation belt

Long   time and need outer wall painting

Low   fire-proof class, high cost, hard installation, 100m+ building is forbidden

TPB

B1

0.035-0.041

ordinary

1.4

need   disassembling the mould and making heat-insulation belt

Long   time and need outer wall painting

Low   fire-proof class, high cost, hard installation,   100m+ building is   forbidden

rigid   polyurethanes

B1

0.018-0.024

good

3

need   disassembling the mould and making heat-insulation belt

Long   time and need outer wall painting

Low   fire-proof class, high cost, hard installation, 100m+ building is forbidden

3

Timber   mould +Class A  heat-insulation board

Forming   cement

A

0.05

worse

8

need   disassembling the mould  

Long   time and need outer wall painting

It's fragile, easy to be broken, quality is   hard to control, high rise has safety hazard.

Rock   wool

A

0.04

bad

8-10

need   disassembling the mould  

Long   time and need outer wall painting

If   the surface is broken, the water absorption will increase, less   heat-insulation, other potential quality problem

Forming   ceramic

A

0.065-0.08

ordinary

7-8

need   disassembling the mould, it’s fragile, hard to install

Long   time and need outer wall painting

Low productivity, high rise has safety   hazard.

Forming   glass

A

0.05

ordinary

0.5

need   disassembling the mould, it’s fragile, hard to install

Long   time and need outer wall painting

Low   productivity,high rise has safety hazard.

Class   A expanded perlite

A

0.06

bad

8

need   disassembling the mould, several layer coating work

Long   time and need outer wall painting

Hard   to control the quality, high rise has safety hazard. Almost out of time.