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    Part number
    Part number
    1. Home/
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    3. Tools & Supplies/
    4. Adhesive Tapes/
    5. 1-5-421 3M

    1-5-421 [3M]

    1-5-421
    1-5-421

    Part No:

    1-5-421

    Category:

    Adhesive Tapes

    Manufacturer:

    3M

    Description:

    3M™ Lead Foil Tape 420 and 421 are backed with a rubber adhesive, offering excellent conformability in a variety of application conditions, indoors and out.

    Datasheet:

    Product FAQ

    1. Is 1-5-421 available for RFQ?

    Yes. 1-5-421 by 3M is available for RFQ. Submit your required quantity and our team will confirm real-time stock, lead time, and volume pricing.

    2. Why is there no fixed price for 1-5-421?

    Pricing for 1-5-421 can vary by order quantity, market availability, date code, packaging, and delivery destination. Request a quote to receive the latest volume pricing.

    3. What are the key specifications of 1-5-421?

    1-5-421 is a 3M Adhesive Tapes with Water Vapor Transmission Rate: 0.1g H2O/100 sq. in./24 hrs. (1.55 g/m2/24 hrs.) and 420 Elongation At Break: 12%. Review the product details or submit an RFQ if you need confirmation before purchase.

    4. How fast can I get a quote for 1-5-421?

    Our sales team usually responds within 24 hours after receiving your RFQ. The quote may include stock status, unit price, lead time, shipping options, and available alternatives.

    5. How soon can 1-5-421 be shipped?

    If stock is confirmed, in-stock parts can usually ship within 1–2 business days. Final lead time depends on quantity, stock source, and delivery destination.

    6. Can you suggest alternatives to 1-5-421?

    Yes. If 1-5-421 is unavailable, obsolete, or does not meet your required lead time, we can help check similar 3M Adhesive Tapes parts or compatible alternatives.

    RFQ

    Part Number:

    1-5-421

    Manufacturer:

    3M

    Looking for Pricing? Contact us for volume pricing.

    IMPORTANT NOTICE

    Quotations are subject to stock availability and may vary with market conditions. Prices and lead times are not guaranteed until a purchase order is confirmed. Ensure your contact details are correct to avoid delays in response.

    Featured Product

    Stock Status:

    Available for RFQ

    Pricing:

    Request Volume Pricing

    Quote Response:

    Within 24 Hours

    Shipping:

    In-stock parts ship in 1–2 business days

    Specification

    Type
    Parameter
    Storage Conditions
    60° to 80°F (16° to 27°C) and 40 to 60% R.H.
    Temperature Use Range
    -60°F ~ 225°F
    Adhesive
    Rubber (green)
    Shelf Life
    18 months from date of manufacture
    Body Color
    Dark silver
    420 Adhesion To Steel
    45 oz./in. width (49 N/100 mm)
    420 Backing Thickness
    4.7 mils (0.12 mm)
    420 Elongation At Break
    12%
    420 Liner Thickness
    3.5 mils (0.09 mm)
    420 Roll Length
    36 yds. (33 m)
    420 Tape Thickness
    6.8 mils (0.17 mm)
    420 Tensile Strength
    20 lbs./in. width (350 N/100 mm)
    420 Weight
    0.075 lbs./yd./in. width (0.0375 kg/m/24 mm)
    421 Adhesion To Steel
    45 oz./in. width (34 N/100 mm)
    421 Backing Thickness
    4.0 mils (0.10 mm)
    421 Elongation At Break
    14%
    421 Tape Thickness
    6.3 mils (0.16 mm)
    421 Tensile Strength
    15 lbs./in. width (263 N/100 mm)
    421 Weight
    0.06 lbs./yd./in. width (0.034 kg/m/24 mm)
    Backing
    Lead foil
    Liner
    Clear, easy-release film
    Water Vapor Transmission Rate
    0.1g H2O/100 sq. in./24 hrs. (1.55 g/m2/24 hrs.)

    Products Detail

    These tapes feature a lead foil backing with rubber adhesive, available in dark silver color with a clear, easy-release film liner. They offer excellent conformability, electrical and thermal conductivity, and perform over a wide temperature range (-60°F to 225°F). Key properties include adhesion to steel, tensile strength, elongation at break, and thickness specifications. The tapes can be die-cut into specific shapes and are suitable for various industrial applications.

    Key Features

    • Very good conformability
    • Good thermal properties over wide temperature range (-60°F to 225°F)
    • Electrically and thermally conductive
    • Can be die-cut into specific shapes
    • Requires clean dry surface above 32°F (0°C) for best results
    • Feathering edges improves conformability
    • Note: Material classified as RCRA hazardous waste when disposed separately
    • Elevated lead levels in water may result from long-term submersion

    Application scenarios

    • Electroplating
    • X-ray plate masking
    • Radiation barrier
    • Maskant during paint stripping
    • Moisture barrier
    • Add weight (balance) to equipment parts
    • Chemical milling

    Documents

    Datasheets:

    1-5-421-3M-datasheet-60817927.pdf

    ConflictMineralStatement:

    3M-company-24.pdf
    Shipping & Warranty

    Fast Dispatch: Ships in 5-7 days(in-stock parts within 1-2 days)

    Unishop Global Export: 1-7 days, $40.00

    Guaranteed Delivery: Door-to-door in 30 days

    Compliant Worldwide Shipping: DHL, FedEx, SF, and UPS.

    Feature

    • 30-Day Guarantee
      30-Day Guarantee
    • Fasted Delivery
      Fasted Delivery
    • Hassle-Free Returns
      Hassle-Free Returns
    • Secure payment method
      Secure payment method

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