Durkflex F series

Durkflex® FG

With closed-cell structure, Durkflex® FG is a high quality flexible NBR
based foam thermal insulation for HVAC&R applications. Whole series of
Durkflex® FG products have fully applied with "ACMF (Accurate Control
Microcellular Foam)" technology, which helps to improve several basic
performance of foam insulation.

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Features

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Outstanding fire safety performance

On behalf of higher fire proofing performance, passed BS part 6 Class 0 test, FM approval and UL certifications, owning the lower heat release and smoke development rating, bring more safety.

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Excellent thermal insulation property

Unique ACMF technology creates fine foamed structures and seals more air inside, greatly reducing probability to be damaged and improving further insulation performance.

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Higher water vapor & moisture diffusion resistance

Higher closed-cell rate, fine foamed structure, keeping water vapor and moisture hard to permeate inside, contributes to maintain steady low thermal conductivity and prolong working life.

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Environment friendly

CFC/HCFC free, free of fiber, dust, heavy metal, silicon, and resistant to mold and fungi growth. Ammonia and SOx content also free, meeting the acceptance criteria for a semiconductor cleanroom for a coverage above 50% of the net cleanroom area, with RoHS and REACH certifications.

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Easy installation

Soft and flexible, very suitable applied to engineering construction field. Working matched with DURKEE special accessories would be more convenient and efficient.

Application

Depending on its outstanding fire safety performance, Durkflex FG was widely used in the whole AC (air-conditioning) system.

TECHNICAL DATA

Physical Parameter

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Physical PropertiesUnitDataTest Standards
Thermal Conductivity
-20℃
0℃
20℃
40℃
W/M.K
≤0.030
0.032
0.033
0.037		ASTM C177 / C518
Water Vapor Permeability
Moisture Resistance Factor
Water Absorption (by volume)		g/s.m.Pa

%		2.0x10-11
μ≥10000
≤0.3		ASTM E96
ASTM C209
Fire Safety Class 0
(BS 5442 rating)
FM
V-0, 5VA		BS 476 part6: I<12, i<6
BS 476 part7: Class 1
FM Approvals
UL 94
Mold Resistance GoodJIS Z 2801
Fungi Resistance GoodASTM G21
Outgassing of VOCμg/gTVOCs:9.0 (Limited 1000)
SVOCs:18.5 (Limited 250)
Amines:0.1 (Limited 150)
Organophosphates:not detected (Limited 10)		DIN ISO 16000-6
/
VDI 2083 BI.17
Ammonia & SOxμg/cm2＜0.02
Ozone Resistance Good
UV & Weather Resistance Good
RoHS PassRoHS Directive
REACH PassREACH
Densitykg/m340-55ASTM D1667
Dimensional Stability%≤1.6 (105℃±3℃,7d)ASTM C534
Suitable Temperature -50℃ - +110℃
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