PRODUCTS  > Products  > DS Reflecting Alum Foil Insulation

DFC-201B
bondtape product

Description & Application

A medium duty, Housing Grade D/S Foil Insulation. It is made from 2 outer layers of pure aluminum foil and 1 layer natural Kraft paper. These layers are bonded together with polyethylene and reinforced with 2-way fiberglass scrim. It is ideally used as sarking and insulation under roofs, in walls behind cladding or under timber floors, for residential and commercial building. Combining with glasswool / rockwool / mineral wool / foam insulation, it is excellent as a vapor barrier for air-conditioning ducts, pipes and vessels.

Product Construction

Composition

Description

Value (English)

Value (Metric)

Foil

Aluminum

0.28 mil

7 micron

Reinforcing - MD

Fiberglass

1/2 inch spacing

12.5mm spacing

Reinforcing - XD

Fiberglass

1/2 inch spacing

12.5mm spacing

Adhesive

Polyethylene

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Kraft

Natural

60 lbs / 3000 ft2

100 gsm

Adhesive

Polyethylene

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Foil

Aluminum

0.28 mil

7 micron

Typical Physical Properties

Physical Properties

Test Method

Value (English)

Value (Metric)

Basis Weight

Scale

34.8 lbs / 1000 ft2

170 gsm

Permeance (WVTR)

ASTM E96, Procedure A

0.02 perm

1.15 ng/N.s

Tensile Strength - MD

ASTM D828

58.0 lbs/In

255 N/25mm

Tensile Strength - XD

ASTM D828

30.7 lbs/In

135 N/25mm

Burst Strength

ASTM D774

79.8 psi

55 N/cm2

Low Temperature Resistance

ASTM D1790

4 hrs @-40 °F (- 40 °C)

Remains Flexible

No Delamination

Remains Flexible

No Delamination

High Temperature Resistance

ASTM D1790

4 hrs @ +240 °F (+116 °C)

Remains Flexible

No Delamination

Remains Flexible

No Delamination

Emissivity

ASTM E408

0.03

0.03

Available Roll Width: 1.25m, 1.35m

Remarks

1. The data above are typical values only, and should not be used for specifications purpose.

2. Tolerance: Weight and Thickness: ±10%; Width: ±3mm; Length: Log Roll: ±0.3m, Jumbo Roll ±0.5%.

3. The products should be stored at room temperature, kept away from wet and heat source.

4. The users should take test and do trial-application on the above products before coming into application so as to witness and ensure suitability for their special purpose and technique.