Note: Ingredients listed on restricted chemical lists
EC/CAS
25973-55-1
Name of the chemical
2-(2H-benzotriazol-2-yl)-4,6-ditertpentylphenol (UV-328)
Concentration
<0.5
General Information
Version
3.00
Revision date
2025-12-11
Product name
3M Sealing Compound (Mastic)
1.2.1 Relevant identified uses
Sealant on QT-III Cold Shrink, Intermediate
supplier name
3M Technologies (S) Pte Ltd
Emergency telephone
+65 6591 6601
Icons in SDS
Company Information
company name
3M Technologies (S) Pte Ltd
GHS Information
Signal word
Not applicable
Section 2
SECTION 2: Hazards identification
Classification of the substance or mixture This product is not classified as hazardous per GHS criteria as implemented by Singapore Standard SS586: 2022
Signal word
Not applicable.
Hazard pictograms
Not applicable Not applicable
2.3 Other hazards
None known.
2.1 Classification of the substance or mixture
This product is not classified as hazardous per GHS criteria as implemented by Singapore Standard SS586: 2022. 2.2. Label elements SIGNAL WORD Not applicable. Symbols Not applicable Pictograms Not applicable 2.3. Other hazards None known. SECTION 3: Composition/information on ingredients This material is a mixture. Ingredient CAS Nbr % by Wt Calcium carbonate 471-34-1 50 - 60 Polybutylene Rubber Mixture 40 - 55 Phenol, 2-(2H-Benzotriazol-2-yl)-4,6- 25973-55-1 < 0.5 bis(1,1-dimethylpropyl)- SECTION 4: First aid measures 4.1. Description of first aid measures Inhalation No need for first aid is anticipated. If symptoms develop, remove the affected person to fresh air. Get medical attention. Skin contact If exposed, wash with soap and water. If signs/symptoms develop, get medical attention. Eye contact If exposed, flush eyes with large amounts of water. Remove contact lenses if easy to do. Continue rinsing. If signs/symptoms develop, get medical attention. If swallowed Do not induce vomiting. Rinse mouth. If you feel unwell, get medical attention. 4.2. Most important symptoms and effects, both acute and delayed No critical symptoms or effects. See Section 11.1, information on toxicological effects. 4.3. Indication of any immediate medical attention and special treatment required Not applicable. SECTION 5: Fire-fighting measures 5.1. Suitable extinguishing media In case of fire: Use a carbon dioxide or dry chemical extinguisher to extinguish. 5.2. Special hazards arising from the substance or mixture None inherent in this product. 5.3. Special protective actions for fire-fighters No special protective actions for fire-fighters are anticipated. SECTION 6: Accidental release measures 6.1. Personal precautions, protective equipment and emergency procedures Not applicable. 6.2. Environmental precautions Not applicable.
