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Help CenterWPSK-455A Polypropylene-Scrim-Kraft Facing
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BondTape WPSK-455A
Polypropylene-Scrim-Kraft Facing
Description & Application
Commercial Grade Polypropylene-Scrim-Kraft (PSK) Facing. It consists of 38u white PP film, closer 3-way fiberglass scrim, 50gsm Kraft paper. Excellent facing and vapor barrier of glasswool blanket / board. Combine with glasswool blanket, it is good at roof and wall insulation of metal building. Very good for air-conditioning ductwork thermal insulation when laminating on glasswool blanket / board.
Product Construction
Facing Composition |
Description |
Value (English) |
Value (Metric) |
White Film |
Polypropylene |
1.5 mil |
38 micron |
Reinforcing - MD |
Fiberglass |
5 / inch |
20 / 100mm |
Reinforcing - XD |
Fiberglass |
4 / inch |
16 / 100mm |
Adhesive |
Polyethylene |
------ |
------ |
Kraft |
Natural |
30 lbs / 3000 ft2 |
50gsm |
Typical Physical Properties
Physical Properties |
Test Method |
Value (English) |
Value (Metric) |
Basis Weight |
Scale |
26 lbs / 1000 ft2 |
115 gsm |
Permeance (WVTR) |
ASTM E96, Procedure A |
0.02 perm |
1.15 ng/N.s |
Tensile Strength - MD |
ASTM D828 |
45.5 lbs/In |
200 N/25mm |
Tensile Strength - XD |
ASTM D828 |
30.7 lbs/In |
135 N/25mm |
Burst Strength |
ASTM D774 |
94.3 psi |
65 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 |
Dimensional Stability |
ASTM D1204 @ 150F (65C) |
Less than 0.5% |
Less than 0.5% |
Emissivity |
ASTM E408 |
85% |
85% |
Available Roll Width: 1.25 m, 1.30m, 1.37m
Remarks
1. The data above are typical results and subject to change without notice.
2. Tolerance: Weight and Thickness: ±10%; Width: ±3mm; Length: ±0.5%.
3. The products should be stored at room temperature, kept from wet and kept away 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.
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