BASF Construction Chemicals España, S.
L.
MasterSeal NP 474 (old Masterflex 474) 
LEED Product Declaration
MasterSeal NP 474
is a single
component non-sag polyurethane joint sealants for use 
either interior or
exterior.
We hereby confirm,
1.
that during the production process of 
MasterSeal NP
474
no toxic substances as 
formaldehyde, asbestos,  lindane, chlorinated biphenyls, pentachlorphenol or other 
forbidden substances are used.
2.
the following VOC-content (VOC up to 280°C) of less than 100 g/l  according to 
“SCAQMD Rule 1168 for Adhesives and Sealants”
3.
that the product deliberately does not contain any of the exempt compounds of 
SCAQMD 102
4.
that the product should be assumed to be 0% of post-consumer material recycled 
content from the normal recovery of raw materials in manufacturing processes.
Based upon the above information, BASF Construction Chemicals España, S.L.
 certifies 
that MasterSeal
NP 474 could contribute to the following LEED NC Credits:
EQ Credit 4.1: 
Low Emitting Materials: Adhesives & Sealants
Joan Pujol
Administrador LEED
BASF Construction Chemicals
España, S.
L.
 
Carretera del Mig, 219
08907
L’Hospitalet de Llobregat 
(Barcelona) 
Teléfono +34 93 261 61 00
Fax         +34 93 261 62 19
E-mail     basf-cc@basf-cc.
es
Internet www.
basf-cc.
es
Inscrita en el Registro Mercantil 
de Barcelona, tomo 39734, 
Folio 141, Hoja B-352947  
N.
I.F. B-31721541
VAT id.
Nº ESB31721541