Note: Ingredients listed on restricted chemical lists
EC/CAS
236-675-5/13463-67-7
Name of the chemical
Reaction mass of titanium dioxide and silver chloride
Concentration
<9 <4.7
EC/CAS
215-138-9/1305-78-8
Name of the chemical
Calcium oxide
Concentration
<2.5
EC/CAS
202-966-0/101-68-8
Name of the chemical
4,4’-Methylenediphenyl diisocyanate
Concentration
<1
EC/CAS
215-609-9/1333-86-4
Name of the chemical
carbon black
Concentration
<1 <0.3
General Information
Version
19.01
Revision date
2026-09-29
Product name
3M Polyurethane Adhesive Sealant 550 Fast Cure (Various Colours)
1.2.1 Relevant identified uses
Sealant
Emergency telephone
+44 (0)1344 858 000
Icons in SDS
Company Information
company name
3M United Kingdom PLC
e-mail address of the competent person responsible for the Safety Data Sheet
ner-productstewardship@mmm.com
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H334
Hazard statements
Code
Statements
H334
May cause allergy or asthma symptoms or breathing difficulties if inhaled
Section 2
SECTION 2: Hazards identification
No 1272/2008 Classification of the substance or mixture
Hazard pictograms
GHS08 (Health Hazard) | Ingredient Identifier(s) EC No. % by Wt 4,4'-methylenediphenyl diisocyanate 101-68-8 202-966-0 < 1 Reaction mass of Bis(1,2,2,6,6-pentamethyl-4-piperidyl) 1065336-91-5 915-687-0 < 0.2 sebacate and Methyl 1,2,2,6,6-pentamethyl-4-piperidyl sebacate
Hazard statements
H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled.
Prevention
P261A Avoid breathing vapours.
Response
P304 + P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P342 + P311 If experiencing respiratory symptoms: Call a POISON CENTRE or doctor/physician.
2.3 Other hazards
Persons previously sensitised to isocyanates may develop a cross-sensitisation reaction to other isocyanates. This material does not contain any substances that are assessed to be a PBT or vPvB
2.1 Classification of the substance or mixture
The retained CLP Regulation (EU) No 1272/2008 as amended for Great Britain The health and environmental classifications of this material have been derived using the calculation method, except in cases where test data are available or the physical form impacts classification. Classification(s) based on test data or physical form are noted below, if applicable. A similar mixture has been tested for eye damage/irritation and the test results do not meet the criteria for classification. CLASSIFICATION: Respiratory Sensitization, Category 1 - Resp. Sens. 1; H334 For full text of H phrases, see Section 16.