Polypropylene Scrim Kraft Facing Wpsk-R455A

• Type: Vapor Barrier
• Function: Moisture Proof, Waterproof, Soundproof
• Material: Alum Foil
• Certification: UL, RoHS, ISO
• Available Roll Width: 1.25 M, 1.30m, 1.37m
• Transport Package: Standard Exporting Package
• Model NO.: WPSK-R455A
• Specification: ASTM, PSTC, ISO9001
• Trademark: bondtape
• Origin: China
• HS Code: 76072000
• Production Capacity: 5000000 Sqm/Month

Product Description

BondTape      WPSK-R455A

F/R Polypropylene-Scrim-Kraft Facing

Description & Application
Fire 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 widely used for 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	Fire Grade Glue	------	------
Kraft	Fire Grade, Natural	30.6 lbs / 3000 ft2	50gsm

Typical Physical Properties

Physical Properties	Test Method	Value (English)	Value (Metric)
Basis Weight	Scale	19.4 lbs / 1000 ft2	85 gsm
Permeance (WVTR)	ASTM E96, Procedure A	0.09 perm	5.75 ng/N.s
Tensile Strength - MD	ASTM D828	40 lbs/In	175 N/25mm
Tensile Strength - XD	ASTM D828	30.7 lbs/In	135 N/25mm
Burst Strength	ASTM D774	50.8 psi	35 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%
Fire glass	ASTM E84	Class 0	---

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.