3M Thermal Bonding Film AF42 (4 mil)

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Description for 3M Thermal Bonding Film AF42 (4 mil)

It is a thermosetting epoxy film adhesive, Its flexibility provides excellent drop and impact resistance as well as stress relief for joints encountering coefficient of thermal expansion (CTE) mismatch, Structural bond strength to metals and glass.

*See Terms of Use Below

Chemical Resistance	Chemical Resistance: Fluid Resistance: Tap Water resistance, Excellent chemical resistance, Chemical Resistance: Methyl Ethyl Ketone, Ethyl Gasoline, Isopropyl Alcohol, 3M™ Citrus Base Cleaner, Heptane
Application Type	Bond
1 Part or 2 Part	1-Part
Material Form	Film
Substrate	Aluminum, Copper, Glass, Metal, PEN Plastic, Polyester Film, Steel, Phenolic Board, Stainless Steel (solvent wiped), Polyimide Film, Phenolic Board, Etched aluminum, CRS (cold rolled steel), Al (sanded), CRS (scour pad abraded, solvent wiped), Al (scour pad abraded), Al (solvent wiped), FPL Etched Aluminum
Industry	Electronics, Joints encountering
Manufacturer	3M
Chemistry	Epoxy, Low halogen content
Cure Method	Heat cure
Cure Temperature (°C)	177, 204, 232
Cure Time (min)	60, 15, 10
Viscosity (cPs)	Low flow
Color	Translucent
Total Thickness (mm)	0.102
Arc Resistance (sec)	Arc Resistance
High Temperature Resistance (°C)	121
Low Temperature Resistance (°C)	-55
Other Resistance	Excellent Drop resistance
Volume Resistivity (O)	1.2e15 (ohm/cm)
Durability	Tough
Stress Relief	Stress relief
Key Specifications	Mil-Spec (United States Military Standard): MIL-A-5090D or ASTM D 1002).

Best Practices for 3M Thermal Bonding Film AF42 (4 mil)

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Technical Data for 3M Thermal Bonding Film AF42 (4 mil)

*See Terms of Use Below

Overview

Chemical Resistance
- Chemical Resistance : Fluid Resistance : Water Resistance - Tap Water resistance
- Chemical Resistance - Ethyl Gasoline, Isopropyl Alcohol, Heptane, 3M™ Citrus Base Cleaner, Excellent chemical resistance
- Chemical Resistance : Relative Solvent Resistance - Methyl Ethyl Ketone
Application Type
- Adhesive - Bond
1 Part or 2 Part
- 1-Part
Material Form
- Film
Substrate
- Glass
- Metal
- Aluminum - Etched aluminum, Al (solvent wiped), Al (scour pad abraded), Al (sanded), FPL Etched Aluminum
- Copper
- Steel - CRS (cold rolled steel), CRS (scour pad abraded, solvent wiped)
- Plastic - PEN Plastic
- Polyimide (PI) - Polyimide Film
- Phenolic - Phenolic Board
- Wood - Phenolic Board
- Polyester - Polyester Film
- Stainless Steel - Stainless Steel (solvent wiped)
- Other - FR-4 (solvent wiped), LCP (solvent wiped), Black E-coat, Ultem® 1000, Borosilicate Glass
Industry
- Electronics
- Joints - Joints encountering
Chemistry
- Epoxy
- Other - Low halogen content
Cure Method
- Heat - Heat cure
Color
- Translucent
Key Specifications
- Mil-Spec (United States Military Standard) : A-5090D or (ASTM D 1002) - MIL-A-5090D or ASTM D 1002).

Specifications

Cure Specs

Cure Temperature (°C)	177, 204, 232
Cure Time (min)	60, 15, 10
Viscosity (cPs)	Low flow
Work / Pot Time (min)	40,320	Test Method

Bond Strength

Structural/Load-Bearing	Structural bond strength
General Bond Strength (psi)	No Tack
Peel Strength (piw)	High, 55, 48, 45, 52, 58, 11, 58, 1, 8, 3, 49, 36, 50, 14, 60, 63, 68, 58, 55, 63, 66, 56, 54, 36, 51	Test Method
Shear Strength (psi)	4,600, 3,700, 3,750, 500, 1,350, 600, 2,500, 400, 650, 350, 350, 1,000, 1,500, 250, 1,200, 1,450, 200, 300, 900, 1,500, 1,300, 350, 175, 33 (Mpa)	Test Method
Cleavage Strength (psi)	High, 1,300, 720, 400	Test Method
Tensile Strength (psi)	4,800, 1.9 (J), 59 (Mpa)	Test Method

Tape Properties

Total Thickness (mm)	0.102

Material Resistance

Arc Resistance (sec)	Arc Resistance
High Temperature Resistance (°C)	121
Low Temperature Resistance (°C)	-55
Impact Resistance	Excellent impact resistance
Other Resistance	Excellent Drop resistance

Conductivity

Dissipation Factor	0.00400, 0.00600, 0.00800	Test Method
Dielectric Strength (V/mil)	900	Test Method
Dielectric Constant	4.60, 4.20, 3.80	Test Method
Thermal Conductivity (W/m°K)	0.21	Test Method
Surface Resistivity (O)	4.1e13 (ohm/square)	Test Method
Volume Resistivity (O)	1.2e15 (ohm/cm)	Test Method

Hardness

Durability	Tough
Stress Relief	Stress relief
Shore D Hardness	76	Test Method
Elongation (%)	350	Test Method
Flexibility	flexible
Modulus (psi)	100 ( MPa)	Test Method

Other Properties

Glass Transition Temp (Tg) (°C)	55, 50, 45	Test Method
Coefficient of Thermal Expansion (CTE)	63e-6 (units / unit /°C @ 10°C/min.), 13e-6 (units / unit /°C @ 10°C/min.), 266e-6 (units / unit /°C @ 10°C/min.)	Test Method

Business Information

Shelf Life Details	3M™ Thermal Bonding Film AF42 has a work life of 4 weeks. Work life is defined as the time the product can be at room temperature, and will yield the performance data summarized in this data sheet if bonds are made and tested per instructions. Usage above 70°F (21°C) prior to bonding can reduce bonding performance. While not in use, 3M film AF42 should be stored at or below 40°F (4°C); The shelf life of 3M film AF42 is 15 months when stored at or below 40°F (4°C) in the original packaging materials., 3M™ Thermal Bonding Film AF42 has a work life of 4 weeks. Work life is defined as the time the product can be at room temperature, and will yield the performance data summarized in this data sheet if bonds are made and tested per instructions. Usage above 70°F (21°C) prior to bonding can reduce bonding performance. While not in use, 3M film AF42 should be stored at or below 40°F (4°C); The shelf life of 3M film AF42 is 15 months when stored at or below 40°F (4°C) in the original packaging materials.
Shelf Life Temperature (°F)	40, 70
Shelf Life Type	From the date of manufacture, Shelf Life Type
Shelf Life (mon)	15, 1

Best Practices for 3M Thermal Bonding Film AF42 (4 mil)

*See Terms of Use Below
1. Surface Preparation
  
  A thoroughly cleaned, dry, grease-free surface is essential for maximum performance. Cleaning methods which will produce a break-free water film on metal surfaces are generally satisfactory.
2. Application
  
  Cut a portion of film sufficient for the assembly from the stock roll with protective liner(s) in place. Note earlier comment to bring adhesive to room temperature before use.
  
  Place the adhesive against the substrate using the liner as a protective cover.
  
  Position film and remove liner.
  
  Complete assembly and cure, be careful to avoid trapping air
3. Clean-Up
  
  Uncured 3M™ Thermal Bonding Film AF42 can be removed using acetone, MEK or 3M™ Citrus Base Cleaner.
  
  Note: When using solvents, extinguish all ignition sources and follow the manufacturer’s precautions and directions for use.
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*See Terms of Use Below

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Work / Pot Time Test Methods

Work / Pot Time	Test Method	Temperature
40,320 min	Work life is defined as the time the product can be at room temperature, and will yield the performance data summarized in this data sheet if bonds are made and tested per instructions.	25°C

Cleavage Strength Test Methods

Cleavage Strength	Test Temperature	Test Method
High	-40°C	ASTM D1205
1,300 psi	24°C	ASTM D1205
720 psi	93°C	ASTM D1205
400 psi

Peel Strength Test Methods

Peel Strength	Type	Cure Time	Cure Temperature	Substrate	Test Time	Test Temperature	Test Method
High
55 piw	90° Peel strength	60 min	121°C	Al (etched)			90° peel test of 1/2" wide, 4 mil thick etched aluminum foil bonded to each test substrate., Peel rate 2”/minute., ASTM D1876., Bonds were cured 60 minutes (+ 7 minutes ramp time) at 250°F (121°C).
48 piw	90° Peel strength	60 min	121°C	Al (sanded, solvent wiped)			90° peel test of 1/2" wide, 4 mil thick etched aluminum foil bonded to each test substrate., Peel rate 2”/minute., ASTM D1876., Bonds were cured 60 minutes (+ 7 minutes ramp time) at 250°F (121°C).
45 piw	90° Peel strength	60 min	121°C	Al (scour pad abraded, solvent wiped)			90° peel test of 1/2" wide, 4 mil thick etched aluminum foil bonded to each test substrate., Peel rate 2”/minute., ASTM D1876., Bonds were cured 60 minutes (+ 7 minutes ramp time) at 250°F (121°C).
52 piw	90° Peel strength	60 min	121°C	Al (solvent wiped)			90° peel test of 1/2" wide, 4 mil thick etched aluminum foil bonded to each test substrate., Peel rate 2”/minute., ASTM D1876., Bonds were cured 60 minutes (+ 7 minutes ramp time) at 250°F (121°C).
58 piw	90° Peel strength	60 min	121°C	CRS (scour pad abraded, solvent wiped)			90° peel test of 1/2" wide, 4 mil thick etched aluminum foil bonded to each test substrate., Peel rate 2”/minute., ASTM D1876., Bonds were cured 60 minutes (+ 7 minutes ramp time) at 250°F (121°C).
11 piw	90° Peel strength	60 min	121°C	Stainless Steel (solvent wiped)			90° peel test of 1/2" wide, 4 mil thick etched aluminum foil bonded to each test substrate., Peel rate 2”/minute., ASTM D1876., Bonds were cured 60 minutes (+ 7 minutes ramp time) at 250°F (121°C).
58 piw	90° Peel strength	60 min	121°C	FR-4 (solvent wiped)			90° peel test of 1/2" wide, 4 mil thick etched aluminum foil bonded to each test substrate., Peel rate 2”/minute., ASTM D1876., Bonds were cured 60 minutes (+ 7 minutes ramp time) at 250°F (121°C).
1 piw	90° Peel strength	60 min	121°C	LCP (solvent wiped)			90° peel test of 1/2" wide, 4 mil thick etched aluminum foil bonded to each test substrate., Peel rate 2”/minute., ASTM D1876., Bonds were cured 60 minutes (+ 7 minutes ramp time) at 250°F (121°C).
8 piw	90° Peel strength	60 min	121°C	Polyimide Film			90° peel test of 1/2" wide, 4 mil thick etched aluminum foil bonded to each test substrate., Peel rate 2”/minute., ASTM D1876., Bonds were cured 60 minutes (+ 7 minutes ramp time) at 250°F (121°C).
3 piw	90° Peel strength	60 min	121°C	Polyester Film			90° peel test of 1/2" wide, 4 mil thick etched aluminum foil bonded to each test substrate., Peel rate 2”/minute., ASTM D1876., Bonds were cured 60 minutes (+ 7 minutes ramp time) at 250°F (121°C).
49 piw	90° Peel strength	60 min	121°C	Black E-coat			90° peel test of 1/2" wide, 4 mil thick etched aluminum foil bonded to each test substrate., Peel rate 2”/minute., ASTM D1876., Bonds were cured 60 minutes (+ 7 minutes ramp time) at 250°F (121°C).
36 piw	90° Peel strength	60 min	121°C	Phenolic Board			90° peel test of 1/2" wide, 4 mil thick etched aluminum foil bonded to each test substrate., Peel rate 2”/minute., ASTM D1876., Bonds were cured 60 minutes (+ 7 minutes ramp time) at 250°F (121°C).
50 piw	90° Peel strength	60 min	121°C	Ultem® 1000			90° peel test of 1/2" wide, 4 mil thick etched aluminum foil bonded to each test substrate., Peel rate 2”/minute., ASTM D1876., Bonds were cured 60 minutes (+ 7 minutes ramp time) at 250°F (121°C).
14 piw	90° Peel strength	60 min	121°C	PEN Plastic			90° peel test of 1/2" wide, 4 mil thick etched aluminum foil bonded to each test substrate., Peel rate 2”/minute., ASTM D1876., Bonds were cured 60 minutes (+ 7 minutes ramp time) at 250°F (121°C).
60 piw	90° Peel strength	60 min	121°C	Borosilicate Glass			90° peel test of 1/2" wide, 4 mil thick etched aluminum foil bonded to each test substrate., Peel rate 2”/minute., ASTM D1876., Bonds were cured 60 minutes (+ 7 minutes ramp time) at 250°F (121°C).
63 piw		60 min	121°C	Etched aluminum	43,200 min	20 to 25°C	(control) Peel bonds consisted of 10 mil etched aluminum strips bonded to 0.047" FR-4. Panels were cured 60 minutes + 7 minutes (ramp time) at 121°C (250°F) and peeled at 2"/minute speed.
68 piw		60 min	121°C	Etched aluminum	43,200 min	71°C	Oven, Peel bonds consisted of 10 mil etched aluminum strips bonded to 0.047" FR-4. Panels were cured 60 minutes + 7 minutes (ramp time) at 121°C (250°F) and peeled at 2"/minute speed.
58 piw		60 min	121°C	Etched aluminum	43,200 min	49°C	100% RH, Peel bonds consisted of 10 mil etched aluminum strips bonded to 0.047" FR-4. Panels were cured 60 minutes + 7 minutes (ramp time) at 121°C (250°F) and peeled at 2"/minute speed.
55 piw		60 min	121°C	Etched aluminum	43,200 min		immersion in distilled water, Peel bonds consisted of 10 mil etched aluminum strips bonded to 0.047" FR-4. Panels were cured 60 minutes + 7 minutes (ramp time) at 121°C (250°F) and peeled at 2"/minute speed.
63 piw				Etched aluminum	1,020 min	49°C	Peel bonds consisted of 10 mil etched aluminum strips bonded to 0.047" FR-4. Panels were cured 60 minutes + 7 minutes (ramp time) at 121°C (250°F) and peeled at 2"/minute speed., Hot/cold cycle was 17 hours at 49°C (120°F) and 5 hours at -21°C (-5°F) with one hour at room temperature between temperature changes.
66 piw				Etched aluminum		-55°C	Peel bonds were 0.5" wide, 10 mil etched aluminum strips bonded to 0.047" FR-4 board., tested in similar fashion described in previous sections.
56 piw				Etched aluminum		24°C	Peel bonds were 0.5" wide, 10 mil etched aluminum strips bonded to 0.047" FR-4 board., tested in similar fashion described in previous sections.
54 piw				Etched aluminum		82°C	Peel bonds were 0.5" wide, 10 mil etched aluminum strips bonded to 0.047" FR-4 board., tested in similar fashion described in previous sections.
36 piw				Etched aluminum		121°C	Peel bonds were 0.5" wide, 10 mil etched aluminum strips bonded to 0.047" FR-4 board., tested in similar fashion described in previous sections.
51 piw	T-Peel			FPL Etched Aluminum			ASTM D1876

Shear Strength Test Methods

Shear Strength	Type	Cure Time	Cure Temperature	Substrate	Test Time	Test Temperature	Test Method
4,600 psi	Overlap shear strength	60 min	121°C	Al (etched)			ASTM D1002., OLS bonds were 1" x 0.5" and tested at 0.2"/minute., Bonds were cured 60 minutes (+ 7 minutes ramp time) at 250°F (121°C).
3,700 psi	Overlap shear strength	60 min	121°C	Al (sanded, solvent wiped)			ASTM D1002., OLS bonds were 1" x 0.5" and tested at 0.2"/minute., Bonds were cured 60 minutes (+ 7 minutes ramp time) at 250°F (121°C).
3,750 psi	Overlap shear strength	60 min	121°C	Al (scour pad abraded, solvent wiped)			ASTM D1002., OLS bonds were 1" x 0.5" and tested at 0.2"/minute., Bonds were cured 60 minutes (+ 7 minutes ramp time) at 250°F (121°C).
500 psi	Overlap shear strength	60 min	121°C	Al (solvent wiped)			ASTM D1002., OLS bonds were 1" x 0.5" and tested at 0.2"/minute., Bonds were cured 60 minutes (+ 7 minutes ramp time) at 250°F (121°C).
1,350 psi	Overlap shear strength	60 min	121°C	CRS (scour pad abraded, solvent wiped)			ASTM D1002., OLS bonds were 1" x 0.5" and tested at 0.2"/minute., Bonds were cured 60 minutes (+ 7 minutes ramp time) at 250°F (121°C).
600 psi	Overlap shear strength	60 min	121°C	Stainless Steel (solvent wiped)			ASTM D1002., OLS bonds were 1" x 0.5" and tested at 0.2"/minute., Bonds were cured 60 minutes (+ 7 minutes ramp time) at 250°F (121°C).
2,500 psi	Overlap shear strength	60 min	121°C	FR-4 (solvent wiped)			ASTM D1002., OLS bonds were 1" x 0.5" and tested at 0.2"/minute., Bonds were cured 60 minutes (+ 7 minutes ramp time) at 250°F (121°C).
400 psi	Overlap shear strength	60 min	121°C	LCP (solvent wiped)			ASTM D1002., OLS bonds were 1" x 0.5" and tested at 0.2"/minute., Bonds were cured 60 minutes (+ 7 minutes ramp time) at 250°F (121°C).
650 psi	Overlap shear strength	60 min	121°C	Polyimide Film			ASTM D1002., OLS bonds were 1" x 0.5" and tested at 0.2"/minute., Bonds were cured 60 minutes (+ 7 minutes ramp time) at 250°F (121°C).
350 psi	Overlap shear strength	60 min	121°C	Polyester Film			ASTM D1002., OLS bonds were 1" x 0.5" and tested at 0.2"/minute., Bonds were cured 60 minutes (+ 7 minutes ramp time) at 250°F (121°C).
350 psi	Overlap shear strength	60 min	121°C	Black E-coat			ASTM D1002., OLS bonds were 1" x 0.5" and tested at 0.2"/minute., Bonds were cured 60 minutes (+ 7 minutes ramp time) at 250°F (121°C).
1,000 psi	Overlap shear strength	60 min	121°C	Phenolic Board			ASTM D1002., OLS bonds were 1" x 0.5" and tested at 0.2"/minute., Bonds were cured 60 minutes (+ 7 minutes ramp time) at 250°F (121°C).
1,500 psi	Overlap shear strength	60 min	121°C	Ultem® 1000			ASTM D1002., OLS bonds were 1" x 0.5" and tested at 0.2"/minute., Bonds were cured 60 minutes (+ 7 minutes ramp time) at 250°F (121°C).
250 psi	Overlap shear strength	60 min	121°C	PEN Plastic			ASTM D1002., OLS bonds were 1" x 0.5" and tested at 0.2"/minute., Bonds were cured 60 minutes (+ 7 minutes ramp time) at 250°F (121°C).
1,200 psi	Overlap shear strength	60 min	121°C	CRS to CRS	2,592,000 sec	20 to 25°C	(control), OLS (overlap shear) bonds consisted of 3M™ Scotch-Brite™ Scour Pad (green) abraded CRS to CRS, cured 60 minutes + 7 minutes (ramp time) at 121°C (250°F) and tested at 0.2"/minute speed.
1,450 psi	Overlap shear strength	60 min	121°C	CRS to CRS	2,592,000 sec	71°C	Oven, OLS (overlap shear) bonds consisted of 3M™ Scotch-Brite™ Scour Pad (green) abraded CRS to CRS, cured 60 minutes + 7 minutes (ramp time) at 121°C (250°F) and tested at 0.2"/minute speed.
200 psi	Overlap shear strength	60 min	121°C	CRS to CRS	2,592,000 sec	49°C	100% RH, OLS (overlap shear) bonds consisted of 3M™ Scotch-Brite™ Scour Pad (green) abraded CRS to CRS, cured 60 minutes + 7 minutes (ramp time) at 121°C (250°F) and tested at 0.2"/minute speed.
300 psi	Overlap shear strength	60 min	121°C	CRS to CRS	2,592,000 sec		immersion in distilled water, OLS (overlap shear) bonds consisted of 3M™ Scotch-Brite™ Scour Pad (green) abraded CRS to CRS, cured 60 minutes + 7 minutes (ramp time) at 121°C (250°F) and tested at 0.2"/minute speed.
900 psi	Overlap shear strength	60 min	121°C	CRS to CRS	61,200 sec	49°C	OLS (overlap shear) bonds consisted of 3M™ Scotch-Brite™ Scour Pad (green) abraded CRS to CRS, cured 60 minutes + 7 minutes (ramp time) at 121°C (250°F) and tested at 0.2"/minute speed., Hot/cold cycle was 17 hours at 49°C (120°F) and 5 hours at -21°C (-5°F) with one hour at room temperature between temperature changes.
1,500 psi	Overlap shear strength			CRS		-55°C	OLS bonds were 0.5" x 1" (CRS, 3M™ Scotch-Brite™ Scour Pad [green] abraded, solvent wiped)., tested in similar fashion described in previous sections.
1,300 psi	Overlap shear strength			CRS		24°C	OLS bonds were 0.5" x 1" (CRS, 3M™ Scotch-Brite™ Scour Pad [green] abraded, solvent wiped)., tested in similar fashion described in previous sections.
350 psi	Overlap shear strength			CRS		82°C	OLS bonds were 0.5" x 1" (CRS, 3M™ Scotch-Brite™ Scour Pad [green] abraded, solvent wiped)., tested in similar fashion described in previous sections.
175 psi	Overlap shear strength					121°C	OLS bonds were 0.5" x 1" (CRS, 3M™ Scotch-Brite™ Scour Pad [green] abraded, solvent wiped)., tested in similar fashion described in previous sections.
33 (Mpa)	Overlap Shear Strength			CRS	60 min + 10 min, ramp time	180°C	ASTM D1002,Samples cured for 60 min + 10 min ramp time at 180°C.

Tensile Strength Test Methods

Tensile Strength	Type	Substrate	Test Time	Test Temperature	Test Method
4,800 psi
1.9 (J)	Tensile Impact Resistance	FPL Etched Aluminum	60 min	65°C	Deviation in specimen geometry. Gauge length 20 mm, width 3 mm. Samples degassed (-90 KPa, 1 hour, 65°C).
59 (Mpa)	Ultimate Tensile Strength		60 min	65°C	ASTM D638d

Dielectric Constant Test Methods

Dielectric Constant	Test Method
4.60	ASTM D-150, 1 kilohertz
4.20	ASTM D-150, 10 kilohertz
3.80	ASTM D-150, 100 kilohertz

Dielectric Strength Test Methods

Dielectric Strength	Test Method
900 V/mil	ASTM D149, Breakdown

Dissipation Factor Test Methods

Dissipation Factor	Test Method
0.00400	ASTM D-150, 1 kilohertz
0.00600	ASTM D-150, 10 kilohertz
0.00800	ASTM D-150, 100 kilohertz

Surface Resistivity Test Methods

Surface Resistivity	Test Method
4.1e13 (ohm/square)	500 (Volts - DC)

Thermal Conductivity Test Methods

Thermal Conductivity	Test Method
0.21 W/m°K	ASTM C177

Volume Resistivity Test Methods

Volume Resistivity	Test Method
1.2e15 (ohm/cm)	ASTM D-257 (3 mil)

Elongation Test Methods

Elongation	Test Method
350 %	Deviation in specimen geometry. Gauge length 20 mm, width 3 mm. Samples degassed (-90 KPa, 1 hour, 65°C).

Shore D Hardness Test Methods

Shore D Hardness	Shore Hardness Test Method
76	ASTM D2240

Modulus Test Methods

Modulus	Test Method
100 ( MPa)	Deviation in specimen geometry. Gauge length 20 mm, width 3 mm. Samples degassed (-90 KPa, 1 hour, 65°C).

Coefficient of Thermal Expansion (CTE) Test Methods

Coefficient of Thermal Expansion (CTE)	CTE Temperature (°C)	CTE Test Method
63e-6 (units / unit /°C @ 10°C/min.)	-60 to 40°C	by TMA, 1st heat values
13e-6 (units / unit /°C @ 10°C/min.)	-60 to 40°C	by TMA, 2nd heat values
266e-6 (units / unit /°C @ 10°C/min.)	65 to 125°C	by TMA, 2nd heat values

Glass Transition Temp (Tg) Test Methods

Glass Transition Temp (Tg)	Glass Transition Temperature (Tg) Test Method
55°C	By TMA @ 10°C/min., onset, 2nd heat values
50°C	DSC @ 5°C/min., midpoint, 1st heat values
45°C	DSC @ 5°C/min., midpoint, 2nd heat values

3M Thermal Bonding Film AF42 (4 mil)

Description for 3M Thermal Bonding Film AF42 (4 mil)

Best Practices for 3M Thermal Bonding Film AF42 (4 mil)

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Technical Data for 3M Thermal Bonding Film AF42 (4 mil)

Overview

Chemical Resistance

Application Type

1 Part or 2 Part

Material Form

Substrate

Industry

Chemistry

Cure Method

Color

Key Specifications

Specifications

Cure Specs

Bond Strength

Tape Properties

Material Resistance

Conductivity

Hardness

Other Properties

Business Information

Best Practices for 3M Thermal Bonding Film AF42 (4 mil)

Surface Preparation

Application

Clean-Up

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Work / Pot Time Test Methods

Cleavage Strength Test Methods

Peel Strength Test Methods

Shear Strength Test Methods

Tensile Strength Test Methods

Dielectric Constant Test Methods

Dielectric Strength Test Methods

Dissipation Factor Test Methods

Surface Resistivity Test Methods

Thermal Conductivity Test Methods

Volume Resistivity Test Methods

Elongation Test Methods

Shore D Hardness Test Methods

Modulus Test Methods

Coefficient of Thermal Expansion (CTE) Test Methods

Glass Transition Temp (Tg) Test Methods

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