9731 – 0.14mm | 3M™Custom pads and gaskets priced instantly and made to order within 24 hours!

9731 – 0.14mm | 3M™

Double Coated Tape

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  • Up to 177 °C short-term heat resistance
  • strong holding power to various silicone surfaces
  • Dielectric Strength = 8000 v
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SKU: 93126 Category: Tag: Brand:

Description

3M™ Double Coated Tapes 9731 has a firm, silicone pressure sensitive adhesive coated on one side of a polyester film carrier and a high performance acrylic adhesive coated on the other side of the carrier.

Benefits

  • Silicone adhesive provides good bond to silicone rubber, strong holding power to various silicone surfaces, good temperature performance and good solvent resistance.
  • 3M™ Adhesive 350 provides very high adhesion to a wide variety of materials, excellent shear holding power, high temperature resistance and excellent UV resistance.
  • A thin polyester carrier provides dimensional stability and improved handling with ease of die cutting and lamination compared to adhesive transfer tapes.

Features

  • Up to 177 °C short-term heat resistance
  • strong holding power to various silicone surfaces
  • Dielectric Strength = 8000 v

Physical Properties

Property Values Notes
Total Tape thickness without liner 0.14 mm 5.5 mil –
Faceside Adhesive Thickness 0.041 mm 1.6 mil Faceside adhesive is on the interior of the roll,<br>exposed when unwound and liner removed
Backside Adhesive Thickness 0.07 mm 2.9 mil Backside adhesive is on the exterior of the roll,<br>exposed when liner is removed.
Carrier Thickness 0.025mm 1 mil –
Faceside Adhesive Type 350 Acrylic Adhesive – Faceside adhesive is on the interior of the roll,<br>exposed when unwound and liner removed
Backside Adhesive Type Silicone Adhesive – Backside adhesive is on the exterior of the roll,<br>exposed when liner is removed.
Adhesive Carrier Clear PET (polyester) – –
Primary Liner Type 58# Polycoated Kraft Inner liner is primary (stays with dies-cut part):<br>Outer liner is secondary (removed first)
Primary Liner Color Tan – –
Primary Liner Print No Print – –
Secondary Liner Type Fluoropolymer non-Silicone – Inner liner is primary (stays with dies-cut part):<br>Outer liner is secondary (removed first)
Secondary Liner Color Clear – –
Secondary Liner Print PET – –
Primary Liner Thickness 0.17 mm 4.2 mil –
Secondary Liner Thickness 0.07 mm 2.9 mil –

Typical Performance Characteristics

350 Acrylic Adhesive Peel Adhesion Substrate Dwell/Cure Time
4.3 N/cm 39 oz/in ABS –
4.5 N/cm 42 oz/in Polycarbonate (PC) –
4.4 N/cm 40 oz/in Polypropylene –
4.4 N/cm 40 oz/in Stainless Steel 15 min @ Room Temperature
4.5 N/cm 42 oz/in Stainless Steel 72 hr @ Room Temperature
5.2 N/cm 48 oz/in Stainless Steel 72 hr @ 158°F (70°C)

Property: 350 Acrylic Adhesive Peel Adhesion

Method: ASTM D3330

Silicone Adhesive Peel Adhesion Substrate Dwell/Cure Time
8.1 N/cm 74 oz/in ABS –
6.5 N/cm 60 oz/in Polycarbonate (PC) –
4.8 N/cm 44 oz/in Polypropylene (PP) –
7.7 N/cm 71 oz/in Stainless Steel 15 min @ Room Temperature
10.1 N/cm 93 oz/in Stainless Steel 72 hr @ Room Temperature
13.2 N/cm 121 oz/in Stainless Steel 72 hr @ 158°F(70°C)

Property: Silicone Adhesive Peel Adhesion

Method: ASTM D3330

Relative High Temperature Operating Ranges Test Condition
177 °C 350 °F Short Term (minutes, hours)
121 °C 250 °F Long Term (days, weeks)

Property: Relative High Temperature Operating Ranges

Property Values Method Test Condition Notes
Static Shear (faceside) 6090 min ASTM D3654 1000 g @ Room
Temperature		 0.5 in² sample size
Static Shear (backside) >10,000 min ASTM D3654 1000 g @ Room
Temperature		 0.5 in² sample size
Static Shear (faceside) >10,000 min ASTM D3654 500 g @ 70°C (158°F) 0.5 in² sample size
Static Shear (backside) >10,000 min ASTM D3654 500 g @ 70°C (158°F) 0.5 in² sample size

Electrical and Thermal Properties

Property Values Method Notes Test Condition
Dielectric Strength 8000 V ASTM D1000 RMS Voltage/Thickness –
Volume Resistivity 3.4 × 10^15 Ω-cm ASTM D257 Room Temperature
350 Acrylic Adhesive
Surface Resistivity		 7.4 × 10^15 Ω-cm ASTM D257 Room Temperature
Silicone Adhesive
Surface Resistivity		 2.6 × 10^15 Ω-cm ASTM D257 Room Temperature

3M™ 9731





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