Globeclad Fire Resistant Facades

Alubond FR-A2

 Alubond U.S.A is an Aluminum composite Panels (ACP) and Metal Composite Material (MCM) Panels brand owned by Mulk Holdings. The company has emerged as the World’s largest ACP and MCM brand with a twenty five million square meters of manufacturing and processing capacity from its various facilities in Europe, UAE, Turkey, Ghana and India. Alubond has also expanded its products to offer a full range of Fire Rated Metal Panels including A2 Mineral Core ACP, B Mineral Core ACP, Solid Aluminum, Honeycomb, Exotic metals MCM in a choice of metal skins like Galvanized Steel, Stainless Steel, Copper, Bronze and Titanium.

The company in addition to production of metal composites also has a complete backward and forward integration manufacturing facilities producing Fire rated Mineral Core, Fire Rated adhesive films and Color Coated coils.

SOLID MAGNESIUM HYDROXIDE IN A ROCK FORM

The solid mineral  magnesium hydroxide, with the chemical formula Mg(OH)2  is a common alteration product of periclase in marble; a low-temperature hydrothermal vein mineral in metamorphosed limestones and chlorite schists; and formed during serpentinization of dunites. It is often found in association with serpentine, calcite, aragonite, dolomite, magnesite, hydromagnesite, artinite, talc and chrysotile.

Advantages of Magnesium Hydroxide

  • Filler and Flame Retardant/Smoke Suppressant in one product
  • Environmentally Acceptable
  • Halogen Free
  • Non-Corrosive
  • Reduces Smoke Density
  • Non-Volatile
  • Largely Inert
  • Thermally Stable up to 340º C and thereafter undergoes Endothermic Decomposition releasing Water 

What is Endothermic & Exothermic Reaction?

LDPE (Low density Polyethylene) is a hydrocarbon material which exhibits exothermic reaction by releasing energy  when exposed to heat.  Mg (OH)2 is a natural mineral which exhibits Endothermic reaction by absorbing heat when exposed to energy/ heat.

Magnesium Hydroxide Structure :

Aluminum Trihydrate Structure

Comparison of Magnesium hydroxide with Aluminum trihydrate

 

ATH

Magnesium Hydroxide

Molecular Formula

Al (OH)3

Mg (OH)2

Water Content Loss on Ignition (LOI)

34%

31%

Decomposition Temperature)

Greater than 230º C

Greater than 330º C

Mohs hardness

2.5–3.5

2.0-3.0

Specific Gravity

2.42

2.36

pH

10-8

10.5

Electrical Conductivity us/cm

Less than 350DIN

53208

Color

White

White

Physical Properties

Powder

Powder

Refractive Index

1.57

1.58

Particle Morphology

Hexagonal Platelet

Hexagonal Platelet

Dimension Tolerance

Panel Thickness

:

4 mm

Alloy Series

:

1xxx, 3xxx, 5xxx

Width

:

1000 mm, 1250mm, 1500 mm

Length

:

upto 6000 mm

*special sizes on request, min quantity 2000sqm (incl 1000mm width)

Mechanical Properties

 Thickness

± 0.05

0.5 mm

Weight

± 0.05

8  Kg/m2

Standard  Width

± 2

1250 mm

Panel thickness

± 0.03

4 mm

Thermal Properties

   

Alloy 1xxx,

Alloy 3xxx

Alloy 5xxx

Section Modulus(W)

DIN 53293

cm³/m

1.62

1.7

1.75

Rigidity (Poisson›s ratio μ = 0,3)

DIN 53294

KN cm2 /m

2300

2320

2400

Alloy

EN 573-3

……..

EN AW- 1100

EN AW- 3105

EN AW- 5005A
(Al mg1)

Temper

EN 515

……..

H16/H18

H14/H16

H16/18

Modulus of Elasticity

EN 1999 1-1

N/mm2

≥70000

≥70000

≥70000

Tensile Strength of Aluminium

EN 485-2

N/mm2

Rm ≥ 135

Rm ≥ 140

Rm ≥ 145

0.2% Proof Stress

EN 485-2

N/mm2

Rpo ≥ 85

Rpo ≥ 90

Rpo ≥ 95

Elongation

EN 485-2

%

A50 ≥ 6

A50 ≥ 5

A50 ≥ 5

Linear Thermal Expansion

EN 1999 1-1

mm/m @100°C

2.4

2.4

2.4

Thermal resistance R

ASTM C518

M2 K/W

0.007

0.009

 

Temperature resistance

ASTM C518

°C

-50….+80

  

Dimension Tolerance

Thickness

+ /- 0.05

0.5 mm

Weight

+ /- 0.05

8 Kg/m2

Width

± 2

1250 mm

Panel thickness

± 0.03

4 mm

Core Properties

Core

EN 13501-1:2007+
A1:2009 CLAUSE 8 & NFPA 285 /BS6853 UBC17-5

CLASS- A2,S1,d0 Passed

Mg (OH)2
Based polymeric
bonded core

Surface Burning test

ASTM E84

……

Passed

Fire Behaviour

AS 1530 PART 3

……

Passed

Fire Behaviour

BS 476

Part 6 Class 0 & Part 7 Class 1

Passed

 

Panel Thickness

:4 mm

Skin Thickness

:0.5 mm

Weight

:

7 Kg / M 2

Alloy Series:

1xxx, 3xxx, 5xxx

Width

:

1250mm, 1500 mm

Length:

upto 6000 mm

*special sizes on request, min quantity 2000sqm (incl 1000mm width)

Fire Behaviour Properties

Fire Behaviour

FR ClassificationSection NumberDocument Number

Testing Agency

BS 476 part 6&7

part 6 class 0
part 7 class 1
6&7Certificate No : CF 5061

EXOVA WARRINGTON-UK

EN 13501–1

B, s1, d01Certificate No : ME 5059

EXOVA WARRINGTON-UK

ASTM E 119

Min 1 hr 42 Min fire ratingReport No : 01.12694.307

SOUTH WEST RESEARCH INSTITUTE

DIN 4102-1

Class B1Part 1Report No : 2013-1400-2

EXOVA WARRINGTON-UK

NFPA 285

Assembly Meet The requirements / PassedAs per UAE civil defense code 4.2.6Certificate No : WHI15 – 26553701

Intertek usa & Thomas Bell Wright International Consultant

ASTM
E 84-12

Class A : PassedAs per UAE civil defense code 4.2.4 &4.2.5Certificate No : WHI15 – 26553702

Intertek usa & Thomas Bell Wright International Consultant

Mechanical Properties

Section Modulus(W)

DIN 53293cm³/m1.621.7

1.75

Rigidity (Poisson›s ratio μ = 0,3)

DIN 53294KN cm2 /m23002320

2400

Alloy

EN 573-3……..EN AW- 1100EN AW- 3105

EN AW- 5005A
(Al mg1)

Temper

EN 515……..H16/H18H14/H16

H16/18

Modulus of Elasticity

EN 1999 1-1N/mm2≥70000≥70000

≥70000

Tensile Strength of Aluminium

EN 485-2N/mm2Rm ≥ 135Rm ≥ 140

Rm ≥ 145

0.2% Proof Stress

EN 485-2N/mm2Rpo ≥ 85Rpo ≥ 90

Rpo ≥ 95

Elongation

EN 485-2%A50 ≥ 6A50 ≥ 5

A50 ≥ 5

Linear Thermal Expansion

EN 1999 1-1mm/m @100°C2.42.4

2.4

Thermal Properties

Thermal resistance R

ASTM C518M2 K/W0.03 

Temperature resistance

ASTM C518°C-50….+80 

Thermal Transition
co-efficient ( h )

DIN 4108W/M²k

5.34

 

Core

CLASS BMg (OH)2 Based polymeric bonded core  

Type / Finish

—-—-PVDF

FEVE

Gloss @600C

ECCA T2%PVDF 20-45

FEVE 20-80

Pencil hardness

ECCA T4……

min HB

 

Sound absorbtion factor

ISO 354…….

0.05

 

Sound transmission Loss (Rw)

ASTM E90dBSTC: 26

OITC:22

Thickness

+ /- 0.050.5 mm  

Weight

+ /- 0.05

8 Kg/m2

  

Width

± 2

1250 mm

  

Panel thickness

± 0.03

4 mm

  

Core Properties

Core

EN 13501-1:2007+ A1:2009 CLAUSE 8 & NFPA 285 /BS6853 UBC17-CLASS- A2,S1,d0 Passed

Mg (OH)2
Based polymeric
bonded core

Surface Burning test

ASTM E84……

passed

Fire Behaviour

AS 1530 PART 3….

passed

Fire Behaviour

BS 476Part 6 Class 0 & Part 7 Class 1

Passed

Surface Finish Properties

Accoustical Properties

Dimension Tolerance

Alubond-Stone (FR A2) – Endothermic Reaction

Alubond–Stone ‘s choice of Magnesium Hydroxide as its prime core mineral is based on the following data.

Reactivity :

Magnesium Hydroxide is much more reactive than Alumina Trihydrate (ATH), whereas ATH releases the available water over a broad range (230º C to 430º C), Magnesium Hydroxide releases the available water over a much narrower range (330º C or 630º F to 430º C). In simple terms this compares to spraying a fine mist of water over a fire (ATH) as opposed to dousing the fire with a full bucket of water (Magnesium Hydroxide). The quick release of water enhances the flame retardant properties of Magnesium Hydroxide.

Water Release :

Magnesium Hydroxide releases water at a higher temperature than ATH. The higher temperature release is at a more critical point that reduces the spread of the flame.

Particle Shape :

Magnesium Hydroxide particles, if viewed under a microscope, are plate-like versus the spherical particles of ATH. These plate-like particles overlap one another similar to fish scales or roofing shingles. Pound for pound these plate-like particles offer much more exposed surface area than spherical ATH particles. Therefore more particles are directly exposed to the flame. Also, the plate-like particles provide more strength, flexibility and reinforcement in the finished product as opposed to spherical particles.

Particle Integration :

Magnesium Hydroxide is a natural mix of particles. There is particle penetration and integration within Magnesium Hydroxide rather than having ATH and calcium carbonate particles mixed side by side. This allows a better distribution of the fire retardant and smoke suppressant properties.

Stability :

Magnesium Hydroxide has stabilizing characteristics that tend to neutralize acid and toxic smoke. ATH does not provide these benefits.

Char Ash :

Magnesium Hydroxide during the burning reaction forms a “Char-Ash” in front of the flame, which suppresses the flame.

Physical Properties

  • Physical properties such as viscosity cure rate, stress strain and durometer, suggest that magnesium hydroxide is virtually indistinguishable from ATH from a filler performance standpoint.
  • Magnesium Hydroxide, because of its acid scavenging properties, can play a useful role in halogenated compounds by reducing acid gas emissions.
  • By absorbing the heat, magnesium hydroxide prevents or delays ignition and retards combustion of polymeric materials.

Different Types of Cores

PERFORMANCE

LDPE
EN 13501 E

OVER 70% Mineral EN 13501 B

OVER 90% MINERAL EN 13501 A2

OVER 90% METAL
HONEYCOMB EN13501 A2

100% METAL
SOLID ALUMINIUM 13501 CLASS A1

Combustibility Rating

Combustible

Low Combustibility

Non
Combustible

Non-Combustible

Non-Combustible

NFPA 285/ BS 8414 Pass

No

Yes

Yes

Yes

Yes

ASTM E 84 Core
Burning Class A
Rating

No

Yes

Yes

Yes

Yes

ASTM D 1929 Ignition

No

Yes

Yes

Yes

Yes

EN 13501 S1 D0 Rating

E

B

A2

A2

A1

Direct Flame Over
1000 º C Fire
Penetration

20 Seconds

18 Minutes

30+ Minutes

55 Seconds

30 Seconds

ALUMINIUM PANEL FIRE TEST:

A panel burning test was conducted with the direct flame at a temperature of 1500 0C on five different panels. The time the panels withstood fire was recorded as follows.

Panels

Time withstood by Panel

LDPE Core – ACP

20 Seconds

Solid Aluminium

30 Seconds

B1 Core -ACP

18 Minutes

A2 Core -ACP

30 Minutes

HONEYCOMB CORE A2 -ACP

55 Seconds

Different Types of Cores

PERFORMANCE

LDPE
EN 13501 E

OVER 70% Mineral EN 13501 B

OVER 90% MINERAL EN 13501 A2

OVER 90% METAL
HONEYCOMB EN13501 A2

100% METAL
SOLID ALUMINIUM 13501 CLASS A1

Combustibility Rating

Combustible

Low Combustibility

Non
Combustible

Non-Combustible

Non-Combustible

NFPA 285/ BS 8414 Pass

No

Yes

Yes

Yes

Yes

ASTM E 84 Core
Burning Class A
Rating

No

Yes

Yes

Yes

Yes

ASTM D 1929 Ignition

No

Yes

Yes

Yes

Yes

EN 13501 S1 D0 Rating

E

B

A2

A2

A1

Direct Flame Over
1000 º C Fire
Penetration

20 Seconds

18 Minutes

30+ Minutes

55 Seconds

30 Seconds

ALUMINIUM PANEL FIRE TEST:

A panel burning test was conducted with the direct flame at a temperature of 1500 0C on five different panels. The time the panels withstood fire was recorded as follows.

Panels

Time withstood by Panel

LDPE Core – ACP

20 Seconds

Solid Aluminium

30 Seconds

B1 Core -ACP

18 Minutes

A2 Core -ACP

30 Minutes

HONEYCOMB CORE A2 -ACP

55 Seconds

NFPA 285:2012 FR Standard Test Alubond (FR-A2, FR-B1) with ABTI Substructure System

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Alubond–Stone (Alubond A2 & Alubond B1) undergoing the NFPA 285 Test in two International Third Party Laboratories Intek USA and Thomas Bell-Wright International Consultants, U.A.E
 

Fire Test for Russian Gost R Certificate

Alubond–Stone ( Alubond FR-A2 & Alubond FR-B1 ) has undergone the GOST R Certification in Russia Thomas Bell-Wright International Consultants, U.A.E

ASTM E84-15: Standard Test Method for Surface Burning Characteristics of Alubond(FR-A2, FR-B1)

ABTI-Open Groove Ventilated Substructure System
Typical Corner Panel Fixing Details Rain Screen Cladding

Typical Panel Window Bottom Fixing Details
Typical Panel Window Top Fixing Details

Typical Horizontal Fixing Details

Typical Panel to window Fixing Details

Typical Roof Top Fixing Details
Typical Panel Column Fixing Detail

EN 13501-1:2007+A1: 2009
ENVIRONMENTAL PRODUCT DECLARATION ALUBOND–STONE (FR-A2)
EN 13501 – TEST
RUSSIAN GOST R CERTIFICATE

   

For more details, visit : http:/www.alubond.com