3M Lead Foil Tape 421

3M

Revision date : 2025-10-09

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GHS08
Health risk rating 5
Safety risk rating 1
Environmental risk rating 1

Note: Ingredients listed on restricted chemical lists

EC/CAS

9006-04-6

Name of the chemical

rubber, natural

Concentration

1 - 5

EC/CAS

8050-09-7

Name of the chemical

Rosin

Concentration

1 - 5

EC/CAS

7440-31-5

Name of the chemical

Tin

Concentration

1-5

EC/CAS

7440-38-2

Name of the chemical

Arsenic (As)

Concentration

<0.1

General Information

Version

18.07

Revision date

2025-10-09

Product name

3M Lead Foil Tape 421

1.2.1 Relevant identified uses

421 lead foil tape is used as a maskant in electroplating applications as well as a moisture and radiation barrier in other

supplier name

3M

Manufacturer Name

3M

Emergency telephone

1-800-364-3577, (651) 737-6501

Icons in SDS

GHS08 M004 M009 M010 M011 M017 M026

Company Information

company name

3M

Hazard Codes

Hazard statements (CLP)

H317, H334, H351, H360, H362, H371, H373

Hazard statements

Code

Statements

H317

May cause an allergic skin reaction

Section 2

SECTION 2: Hazards identification

Hazard classification Respiratory Sensitizer: Category 1 Skin Sensitizer: Category 1 Carcinogenicity: Category 2 Reproductive Toxicity: Category 1B Reproductive Toxicity: Lactation Specific Target Organ Toxicity (single exposure): Category 2 Specific Target Organ Toxicity (repeated exposure): Category 2

Hazard statements

May cause allergy or asthma symptoms or breathing difficulties if inhaled. May cause an allergic skin reaction. Suspected of causing cancer. May damage fertility or the unborn child. May cause harm to breast-fed children. May cause damage to organs: nervous system. May cause damage to organs through prolonged or repeated exposure: blood or blood-forming organs | gastrointestinal tract | kidney/urinary tract | musculoskeletal system | nervous system | sensory organs.

Prevention

Obtain special instructions before use. Do not handle until all safety precautions have been read and understood. Do not breathe vapors. Avoid contact during pregnancy and while nursing. Wash exposed skin thoroughly after handling. Do not eat, drink or smoke when using this product. Contaminated work clothing should not be allowed out of the workplace. Wear protective gloves. In case of inadequate ventilation wear respiratory protection.

Response

IF ON SKIN: Wash with plenty of soap and water. IF INHALED: Remove person to fresh air and keep comfortable for breathing. IF exposed or concerned: Call a POISON CENTER or doctor. Get medical attention if you feel unwell. If experiencing respiratory symptoms or if skin irritation or rash occurs: Call a POISON CENTER or doctor. Take off contaminated clothing and wash it before reuse.

Storage

Store locked up.

Disposal

Dispose of contents and container in accordance with applicable local, regional, national, and international regulations. 94% of the mixture consists of ingredients of unknown acute oral toxicity.

2.1 Classification of the substance or mixture

Respiratory Sensitizer: Category 1. Skin Sensitizer: Category 1. Carcinogenicity: Category 2. Reproductive Toxicity: Category 1B. Reproductive Toxicity: Lactation. Specific Target Organ Toxicity (single exposure): Category 2. Specific Target Organ Toxicity (repeated exposure): Category 2.

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