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Junction Box

SPC Method for Ensuring Optimal Junction Box Sealing Uniformity

Prior to applying adhesive, cut and position a piece of Fujifilm Prescale® film on the bottom of the junction box and apply force.

Instantaneously and permanently the film captures both the pressure distribution and magnitude that occurs between the contacting surfaces.

Final analysis: a "pressure map"

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Pressure Film Type Code Alternative Code Pressure Range Order Now
Ultra Extreme Low 5LW UXL310 0.87 - 7.3 PSI (0.06 - 0.51 kg/cm2) Order Now
Extreme Low LLLLW / 4LW XL310 7.2 - 28 PSI (0.5 - 2 kg/cm2) Order Now
Ultra Low LLLW UL270 28 - 85 PSI (2 - 6 kg/cm2) Order Now
Super Low LLW SL270 70 - 350 PSI (5 - 25 kg/cm2) Order Now
Low LW L270 350 - 1,400 PSI (25 - 100 kg/cm2) Order Now
Medium MS M270 1,400 - 7,100 PSI (100 - 500 kg/cm2) Order Now
High HS H270 7,100 - 18,500 PSI (500 - 1,300 kg/cm2) Order Now
Super High HHS SH270 18,500 - 43,200 PSI (1,300 - 3,000 kg/cm2) Order Now
Physical Specifications
Operating Temperature 68°F - 95°F (20°C - 35°C) much higher for brief exposure
Humidity Range 20% to 90% RH
Gauge (Thickness) 4 - 20 mils
Spatial Resolution From 5 - 15 microns
Substrate Polyethylene Terephthalate (PET)
Accuracy ± 10% visual, ± 2%
Utilizing optional optical measurement systems
Shelf Life 2 Years