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Technical Requirements

  
Ruth Exterior Wall Thermal Insulation System Technical Requirement
·Ruth XPS board physical and mechanical performance can be seen in Specification table and contrast to GB.
·Thin plaster exterior wall thermal insulation system classification:

Item

Classification

Mode I(Common)

Mode II(Reinforced)

Impact resistance,J

≥3.0

≥10.0

Remark:1、Mode I use on the wall above 2m of the common building.   2、Mode II use on wall of the first floor or wall below 2m of the building, or other place which has special impact resistance requirement.


Thin plaster exterior wall thermal insulation system performance index


Test Item

Performance Index

Water absorption, g/m2

Soak for 24h ≤

500

Impact resistance,J

Mode I ≥

3

Mode II ≥

10

Wind pressure resistance,Pa (Positive and negative wind pressure)

3000-5000

Accelerated freeze-thaw,circulate for 10 times

No crack、split or flake

Water vapour permeability g/m2.h ≥

1

Permeability resistance,137Pa,15Min

No water infiltration in the sample

Damp and heat durability

Surface no crack、pulverization or flake

Abrasion durability,500L sand

No split,crack or surface protective course spalling or damage

 

Adhesive agent performance specification

Test Item

Performance Index

Shear adhesive strength,MPa (with cement mortar)

 Original strength

1.0

 Water resistance ≥

0.8

Tensile adhesive strength,MPa (with cement mortar)

 Original strength ≥

0.6

 Water resistance ≥

0.4

Tensile adhesive strength,MPa (with XPS board)

 Original strength ≥

0.1

 Water resistance ≥

0.1

Operating time,h

2.0±0.5

Polymer surface mortar specification

Test Item

Performace Index

Tensile adhesive strength,Mpa (with XPS board)

 Original strength ≥

0.1

 Water resistance ≥

0.1

 Freeze-thaw resistance ≥

0.1

Flexibility

 Impact resistance / Break resistance (cement base) ≤

3.0

 Crack stress(not cement base) ≥

1.5

Operation time,h

2.0±0.5

lkali resistant fiberglass mesh specification

Test Item

Performance Index

Standard fiberglass mesh

Reinforced fiberglass mesh

Mesh size,mm

4-6

5-10

Weight of unit area,g/m2 ≥

160

300

Breaking strength(Longitude & latitude),N/50mm ≥

1000

1800

Alkali resistant breaking strength retentive rate(Longitude & latitude),% ≥

80

80

Rupture stress % ≤

5

5


   
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