3M 421 7.25" X 8"-25

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3M (TC)

TAPE LEAD FOIL SILVER 7 1/4"X8"

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3M 421 7.25" X 8"-25

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3M (TC)

TAPE LEAD FOIL SILVER 7 1/4"X8"

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Specifications Pricing Series Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	3M 421 7.25" X 8"-25

Adhesive	Rubber
Backing, Carrier	Lead Foil
Color	Silver
Length	203.2 mm
Length	8 in
Shelf Life	18 Months
Shelf Life Start	Date of Manufacture
Storage/Refrigeration Temperature [Max]	80 °F, 27 °C
Storage/Refrigeration Temperature [Min]	60 °F, 16 °C
Tape Type	Lead Foil
Temperature Range [Max]	106 °C, 225 °F
Temperature Range [Min]	-58 °F, -60 °F
Thickness	6.3 mils
Thickness	0.0063 "
Thickness	0.16 mm
Thickness - Adhesive	0.0023 "
Thickness - Adhesive	2.3 mils
Thickness - Adhesive	0.058 mm
Thickness - Backing, Carrier	0.102 mm
Thickness - Backing, Carrier	4 mils
Thickness - Backing, Carrier	0.004 in

421 Series

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Part	Color	Temperature Range [Max]	Temperature Range [Min]	Thickness - Backing, Carrier	Thickness - Backing, Carrier	Thickness - Backing, Carrier	Shelf Life	Width	Width [diameter]	Shelf Life Start	Thickness - Adhesive	Thickness - Adhesive	Thickness - Adhesive	Storage/Refrigeration Temperature [Min]	Storage/Refrigeration Temperature [Max]	Thickness	Thickness	Thickness	Adhesive	Tape Type	Backing, Carrier	Length	Length	Length	Width [x]	Width [x]	Width	Width	Width	Length [x]	Length [x]	Width [y]	Width [y]
3M (TC) 421CIR-0.563(2000)	Silver	106 °C 225 °F	-60 °F -58 °F	0.102 mm	4 mils	0.004 in	18 Months	0.56 in 14.3 mm	0.5625 in	Date of Manufacture	0.0023 "	2.3 mils	0.058 mm	16 °C 60 °F	27 °C 80 °F	6.3 mils	0.0063 "	0.16 mm	Rubber	Lead Foil	Lead Foil
3M (TC) 3M 421 4" X 8.625"-25	Silver	106 °C 225 °F	-60 °F -58 °F	0.102 mm	4 mils	0.004 in	18 Months			Date of Manufacture	0.0023 "	2.3 mils	0.058 mm	16 °C 60 °F	27 °C 80 °F	6.3 mils	0.0063 "	0.16 mm	Rubber	Lead Foil	Lead Foil	8.63 in		219.08 mm	4 "	101.6 mm
3M (TC) 3M 421 0.75" X 0.75"-250	Silver	106 °C 225 °F	-60 °F -58 °F	0.102 mm	4 mils	0.004 in	18 Months	0.75 in		Date of Manufacture	0.0023 "	2.3 mils	0.058 mm	16 °C 60 °F	27 °C 80 °F	6.3 mils	0.0063 "	0.16 mm	Rubber	Lead Foil	Lead Foil	0.75 in	0.75 "	19.05 mm			0.75 in	19.05 mm
3M (TC) 3M 421 1.5" X 3"-100	Silver	106 °C 225 °F	-60 °F -58 °F	0.102 mm	4 mils	0.004 in	18 Months	38.1 mm		Date of Manufacture	0.0023 "	2.3 mils	0.058 mm	16 °C 60 °F	27 °C 80 °F	6.3 mils	0.0063 "	0.16 mm	Rubber	Lead Foil	Lead Foil			76.2 mm			1.5 "		1 1/2	3 in
3M (TC) 3M 421 CIRCLE-0.313"-2000	Silver	106 °C 225 °F	-60 °F -58 °F	0.102 mm	4 mils	0.004 in	18 Months		0.3125 in	Date of Manufacture	0.0023 "	2.3 mils	0.058 mm	16 °C 60 °F	27 °C 80 °F	6.3 mils	0.0063 "	0.16 mm	Rubber	Lead Foil	Lead Foil				0.31 in	7.87 mm
3M (TC) 3M 421 4" X 6"-25	Silver	106 °C 225 °F	-60 °F -58 °F	0.102 mm	4 mils	0.004 in	18 Months			Date of Manufacture	0.0023 "	2.3 mils	0.058 mm	16 °C 60 °F	27 °C 80 °F	6.3 mils	0.0063 "	0.16 mm	Rubber	Lead Foil	Lead Foil	6 in		152.4 mm	4 "	101.6 mm
3M (TC) 3M 421 7.25" X 8"-25	Silver	106 °C 225 °F	-60 °F -58 °F	0.102 mm	4 mils	0.004 in	18 Months			Date of Manufacture	0.0023 "	2.3 mils	0.058 mm	16 °C 60 °F	27 °C 80 °F	6.3 mils	0.0063 "	0.16 mm	Rubber	Lead Foil	Lead Foil	8 in		203.2 mm
3M (TC) 3M 421 7" X 7.25"-25	Silver	106 °C 225 °F	-60 °F -58 °F	0.102 mm	4 mils	0.004 in	18 Months			Date of Manufacture	0.0023 "	2.3 mils	0.058 mm	16 °C 60 °F	27 °C 80 °F	6.3 mils	0.0063 "	0.16 mm	Rubber	Lead Foil	Lead Foil	7.25 in		184.15 mm	7 in	177.8 mm
3M (TC) 3M 421 2" X 5"-25	Silver	106 °C 225 °F	-60 °F -58 °F	0.102 mm	4 mils	0.004 in	18 Months			Date of Manufacture	0.0023 "	2.3 mils	0.058 mm	16 °C 60 °F	27 °C 80 °F	6.3 mils	0.0063 "	0.16 mm	Rubber	Lead Foil	Lead Foil									5 in	127 mm	2 "	50.8 mm
3M (TC) 3M 421 0.5" X 3"-5	Silver	106 °C 225 °F	-60 °F -58 °F	0.102 mm	4 mils	0.004 in	18 Months	12.7 mm		Date of Manufacture	0.0023 "	2.3 mils	0.058 mm	16 °C 60 °F	27 °C 80 °F	6.3 mils	0.0063 "	0.16 mm	Rubber	Lead Foil	Lead Foil			76.2 mm			0.5 in	0.5 in		3 in

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	Bulk	1	$ 312.56

Description

General part information

421 Series

Lead Foil Tape Rubber Adhesive Silver 7.25" (184.15mm) 7 1/4" X 8.00" (203.20mm)

Documents

Technical documentation and resources