Performance index of outer wall external insulation system of rock wool

- Mar 13, 2018-

Performance index of outer wall external insulation system of rock wool

item

unit

performance index

test method

Weatherability

Appearance after weatherability test

There shall be no coating blistering or peeling, protective layer hollowing or fall off damage, shall not cause leakage crack

JGJ144appendixA.3

Surface layers and tensile bond strength of insulation

MPa

It should not be less than 0.01MPa, and the damaged part should be located in the insulation layer

JGJ144appendixA.3

Water absorption (soaking for 1 hours)

g/m2

≤1000

JGJ144appendixA.6

Water vapor permeation density

g/(m2·h)

≥1.67

JGJ144appendixA.11

Resistance to freezing and thawing

Appearance after freezing and thawing

 

After 30 freeze-thaw cycles protection layer, no empty drum, fall off, no leakage crack

JGJ144appendixA.4

Tensile bond strength of protective layer and insulating layer

MPa

It should not be less than 0.01MPa, and the damaged part should be located in the insulation layer

JGJ144appendixA.4

Impermeable

2H waterproof (sample plaster layer inside anhydrous penetration)