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Sealing butyl mastic strip, putty seal belt
Sealing butyl mastic strip, putty seal belt
basic information
Product Description
Fire and electrical arc proofing tape, fire resistant tape
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Description.
Butyl mastic strip is suitable for use in sealing and waterproofing applications. It is a tacky, temperature stable mastic with excellent conformability and adhesion to metal and all types of cable insulations and jackets, no flowing under high temperature, no cracking under low temperature.
Type 1: Some flat strips put up in a release coat in roll form without core.
Type 2: Some round strip put up in a release coat in roll form without core.
Type 3: Single flat strip put up in a release coat separator in roll form without core.
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Application.
• Cable jackets repairing
• Moisture sealing for joints of base stations, antennas, and feeder cable
• Water seal protection for overhead insulated conductor joints.
Size: sizes can be customized according to user needs
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Performance.
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Test Property
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Requirement
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Test Result
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Heat resistance,130℃, 168h
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No cracking
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No cracking
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Low temperature flexibility, -40℃
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No flowing, cracking, deformation
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No flowing, cracking, deformation
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Elongation at break (%)
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≥400
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470
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Peel strength(N/10mm)
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≥0.2
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0.58
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Dielectric Strength (MV/m)
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≥10
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11.4
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Sunlight ageing,1000h
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No chalking, harden, crack
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No chalking, harden, crack
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Density (g/cm3)
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1.55
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1.55
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