FSK Tape

• Features & Benefits

  • Reinforced Tear & Puncture Resistance: The integrated fiberglass scrim matrix prevents tearing and punctures, ensuring long-term structural integrity under demanding job-site conditions.
  • Superior Environmental Barrier: 100% moisture-proof, vapor-proof, and UV-resistant, protecting insulation systems against mold, moisture ingress, and degradation.
  • Flexible Conformability: The foil scrim kraft backing remains highly flexible, conforming perfectly to irregular surfaces, tight corners, and curved duct wrapped joints.
  • Advanced Adhesive Engineering: Formulated to withstand rigorous environments, with options specialized for immediate initial grab or specialized cold-weather performance.
  • Clean & Efficient Installation: Features a user-friendly peel-back release liner protecting a pressure-sensitive adhesive that requires no tools or heat activation to cure.

• Applications

  • HVAC Duct Wrap Installation: Sealing, patching, and splicing joints on Fiberglass FSK Duct Wrap and FSK Faced Boards to maintain system efficiency.
  • Vapor Seal Infrastructure: Serving as a reliable vapor seal for reinforced aluminum-faced fiberglass, mineral wool thermal insulation, and sheet metal ductwork.
  • Panel & Pipe Splicing: Seaming foil-faced insulation panels, pipe sections, and structural insulation blankets in commercial constructions.
  • Aerospace Application: Specialized joining of fiber insulation matrices between the internal skin and fuselage of commercial or industrial aircraft.

• Tape Properties

  	Backing	Adhesive	Thickness Micron	Backing thickness	Adhesion N/25mm	Tensile N/25mm	Elongation %	Service Temp°C
  AF7105A	3-way FSK	Synthetic rubber-resin	170	120	25	120	1	-20 ~ +80
  AF7105B	2-way FSK	Synthetic rubber-resin	170	120	25	120	1	-20 ~ +80
  AF7125A/CW	3-way FSK	Cold weather solvent acrylic	170	120	16	120	1	-30 ~ +80
  AF7125B/CW	2-way FSK	Cold weather solvent acrylic	170	120	16	120	1	-30 ~ +80
  AF7135A	3-way FSK	Solvent synthetic rubber-resin	170	120	30	120	1	-20 ~ +80
  AF7125AR/CW	3-way FSK	Flame-retardant solvent acrylic adhesive	170	120	20	120	1	25/50 & Class O

• Tape Roll Size

  Finish Roll:

  50mm x 50m	2” x 55yds
  75mm x 50m	3” x 55yds

  Log Roll:1200mm x 50m
  Jumbo Roll:1200mm x 900m

   

FAQ:

Q1: What exactly does FSK stand for in FSK Tape?
A: FSK stands for Foil / Scrim / Kraft. It describes the multi-layer lamination process where an aluminum foil layer is reinforced by a fiberglass yarn matrix (scrim) and backed by durable kraft paper. This design ensures it matches standard FSK faced insulation boards and wraps perfectly.

Q2: What is the difference between a 2-way and a 3-way scrim reinforced backing?
A: A 2-way scrim is reinforced bi-directionally (vertically and horizontally), which is highly effective for standard straight seams. A 3-way scrim features tri-directional reinforcement, adding diagonal stability to prevent tearing or shifting along irregular surfaces, curves, and corners.

Q3: Can this fsk insulation tape be applied in freezing winter temperatures?
A: Yes. For cold-weather conditions, we recommend utilizing our AF7125A/CW or AF7125B/CW variants. These feature a specialized solvent-based acrylic adhesive system designed to maintain aggressive, reliable bonding even in sub-zero and freezing installation environments.

Q4: Is there an option available that meets strict fire safety or building regulations?
A: Yes. Our AF7125AR/CW model is manufactured with a 3-way FSK backing that achieves a Class O Flame-Retardant Grade, making it fully compliant with high-specification commercial projects requiring advanced fire safety certifications.

Q5. Is FSK Tape suitable for outdoor use?
A: Yes. The tape offers strong UV resistance, weather resistance, and moisture resistance for indoor and outdoor applications.

Q6. What is the difference between acrylic and rubber-resin adhesive?
A: Acrylic adhesive provides better weather and cold-temperature resistance, while rubber-resin adhesive offers stronger initial tack and fast bonding.