PC 857
UL 181B-FX Listed/Printed Cloth Duct Tape
UL 181B-FX Listed and printed cloth duct tape used in the HVAC industry to seal, seam and join Class 1 Flex Duct, even when surfaces are rougher or not fully clean. Offering high holding power, superior shear strength and excellent tearability, PC 857 is recommended for applications in which the tensile strength and adhesion to stainless steel and polyethylene must meet or exceed the strict requirements of UL, flex duct manufacturers and city and state codes.
PC 857
UL 181B-FX Listed/Printed Cloth Duct Tape
UL 181B-FX Listed and printed cloth duct tape used in the HVAC industry to seal, seam and join Class 1 Flex Duct, even when surfaces are rougher or not fully clean. Offering high holding power, superior shear strength and excellent tearability, PC 857 is recommended for applications in which the tensile strength and adhesion to stainless steel and polyethylene must meet or exceed the strict requirements of UL, flex duct manufacturers and city and state codes.
- Printed cloth duct tape
- UL 181B-FX Listed – clearly printed on the tape for quick identification
- High holding power
- Superior shear strength
- Easy to tear
Technical data for PC 857
Sizes & Colors
Colors Available
| Standard Widths | 1.88 in, 2.83 in 48 mm, 72 mm |
|---|---|
| Standard Lengths | 60.1 yd 55 m |
Construction
| Adhesive | Blended rubber adhesive |
|---|---|
| Backing | Waterproof polyethylene film with a cloth carrier |
Applicable Standards
| UL 181B-FX |
| UL Listed |
| Tested in accordance with UL 723 |
| FSI 15/SDI 30 |
Properties
| Standard Core Size | 3 in |
|---|---|
| Adhesion to Stainless Steel | 60 oz/in width 6.57 N/10 mm |
| Elongation | 8% 8% |
| Service Temperature Max | 212 F 100 C |
| Service Temperature Min | 50 F 10 C |
| Tensile | 27 lbs/in width 47.3 N/10 mm |
| Thickness - Nominal | 14.0 mils 0.36 mm |
Storage & Usage Conditions
Tape should be stored in its original packaging in a cool, dry area away from direct sunlight and should be used within 12 months of date of shipment. Surfaces to which tape is applied should be clean, dry and free of grease, oil or other contaminants.
Physical and performance characteristics shown above are obtained from tests recommended by PTSC, ASTM, government agencies or Shurtape Technologies, LLC, Quality Assurance and Technical Service departments and do not represent product specifications or a guarantee of product performance. Individual rolls may vary from these standards (or physical properties). The user should determine whether the product is fit for a particular purpose and is suitable for the user’s method of application before use.
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