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Hollyfoam? Open Cell Self Adhesive Pre-compressed Self-expanding Sealing Tape

Self-expanding polyurethane foam tape is a pre-compressed, self-expanding foam tape that is based on a modified material of polyurethane foam. Polyurethane foam expands uniformly to provide a high-performance, all-weather seal and is treated on one side w

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Product Description

Hollyfoam? Self-expanding Sealing Tape 

Self-expanding polyurethane foam tape is a pre-compressed, self-expanding foam tape that is based on a modified material from polyurethane foam. The polyurethane foam expands uniformly to provide a high performance, all-weather seal and is treated with a pressure-sensitive adhesive on one side that can be fixed to one side of the joint. It is specifically designed for sealing joints around windows and doors, expansion joints in concrete, and joints between precast concrete and profile panels.

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Product Structure:

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Product Features:

●Sound and heat insulation

●Maintains long-term permanent elasticity

●No residue on the edge of the joint

●Resistant to wind, rain and dust

●Conforming to contours and filling gaps


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Technical Information:

MaterialHigh density polyurethane foam
ImpregnationFire-resistant polymer dispersions
Densi60±20kg/m3
Thermal conductivity≤0.04W/m.k
Tensile strength≥145kPa
Elongation at break≥152% 
Flame retardantUL94 HBF/HF-1/V0 can be customized
Softening temperature point≥60℃
Water vapor transmission rate2.0*10-6  g/(m2·s·pa)
Temperature range-40~85℃


Specification Description:

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Typical applications:

● Sealing of joints in precast concrete, masonry, brick and exterior walls

● Sealing between metal parts

● Roofing and insulated metal panels

● Skylights and roof lights


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