^{3M 1688-1 Polyester Tape Acrylic Pressure-Sensitive Adhesive}

^{3M 1688-1 聚酯薄膜膠帶 丙烯酸膠黏劑 遮光膠帶}

3M 1688-1 tape is an electrical insulating polyester film tape and meets non- halogen requirement. It offers excellent light shielding, proper adhesion level to be suitable for use of automated equipment.

* Bromide Content <900ppm: total halogen<1500ppm
* Solvent resistant without thermosetting
* Excellent Shelf Life
* Black adhesive layer coating

* Non-corrosive

* Electrical insulating

Adhesive: Black Color Electrical Grade Acrylic

Backing: Polyester Film

Backing Thickness: One mil (25 micron)

Total Thickness:  2.4 mils ( 0.06 mm )

Colors : Black

Dielectric Breakdown: 5000 Volts / 7500 Volts

Insulation Resistance :  >1000000000000 ohms

Breaking Strength: 25 lbs./in (44 N/10mm)

Elongation (% at break):  100

Adhesion to Steel (Min/normal): 0.6/0.71kg/in

Adhesion to Steel (Aged/normal): 1.0 kg/in

1688 厚 1mil 抗溶劑  遮光膠帶 無鹵   內外都是黑色