In addition to the permeability (dielectric constant) and dissipation factor of the standard version, the Low Shrinkage low density (ePTFE) tapes maintains its dimensions when cables are subjected to high temperature, maintaining contact with the end connector and preventing excess signal loss.
Also, it has enhanced strength enabling increasing wrapping speeds. The trade off is a slightly lower elongation.
Features & Benefits
Color: Natural
Thickness starting at 0.0030″ (0.076mm)
Densities starting from 0.7 g/cm³
Shrinkage under 10%
1,500yds (1,372m) minimum splice-free length
Typical Dielectric Constant: 1.3 – 1.5
Uniaxially expanded (stretched)
Custom slit to widths from 5/32″ (4mm) up to 5″ (127mm)
RoHS, REACH and California Prop 65 compliant
3″ (76mm) ID plastic or cardboard cores
Flat/Pancake pads, Traverse/Level or Step-pack wound
SEM microscopy image of low density PTFE
SEM microscopy image of low density PTFE
Low Shrinkage VS Standard comparison
Low Density tape pad
white unsintered ptfe tape - flat pads
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Product Applications
Dielectric Material in Coaxial Cables
Suitable for MIL-DTL-17, EN4604, and BMS13-65 constructions