Sikafloor®-20/21 PurCem®
SELFT-LEVELING POLYURETHANE-CEMENT FLOOR TOPPING
PRODUCT DESCRIPTION
Sikafloor®-21 PurCem® is a multi-component, waterbased coloured polyurethane hybrid screed with selfsmoothing properties. It has a smooth, matt, impervious, hard wearing surface and is typically installed at 3
– 6 mm thickness.
USES
Sikafloor®-21 PurCem® may only be used by experienced professionals.
Sikafloor®-21 PurCem® is used as a scratch coat
primer, basecoat and wear coat layer in Sikafloor®PurCem® system build ups, in areas of medium to heavy
loading, high chemical exposure and abrasion.
CHARACTERISTICS / ADVANTAGES
Good chemical resistance
High mechanical resistance
High glass transition point
Non tainting /odourless
VOC free and environmental friendly
Can be applied to substrates with high moisture content (7 days old or mature damp concrete)
ENVIRONMENTAL INFORMATION
Conformity with LEED v4 MRc 2 (Option 1): Building
Product Disclosure and Optimization – Environmental Product Declarations
Conformity with LEED v4 MRc 4 (Option 2): Building
Product Disclosure and Optimization – Material Ingredients
Conformity with LEED v2009 IEQc 4.2: Low-Emitting
Materials – Paints and Coatings
Complies AgBB for use in in indoor environment. Test
APPROVALS / STANDARDS
Polyurethane screed for concrete protection according to the requirements of EN 1504-2:2004 and conforms to the requirements of EN 13813: 2002, DoP
02 08 02 02 001 0 000002 1088, certified by Factory
Production Control Body, 0086, certificate 541325,
and provided with the CE-mark
EN1186, EN 13130, and prCEN/TS 14234 standards,
and the Decree on Consumer Goods, representing
the conversion of directives 89/109/EEC, 90/128/EEC
and 2002/72/EC for contact with food stuffs, according to test report by ISEGA, 32758 U11 and 32759
U11, both dated December 6th, 2011. (Tests performed on Sikafloor® -20/21/22/29 and 31 PurCem®
in standard and LP versions).
British Standards Specifications (BSS) acceptance for
use in the UK.
Campden and Chorleywood Food Research Association, Ref. S/REP/125424/1a and 2a, dated 8th February, 2012
Fire classification report according to EN 13501-1
from Exova Warrington Fire for Sikafloor®-21 PurCem® No.317047, dated 24th of March, 2012
Liquid water transmission rate test report from the
Technology Centre, Ref. 15456 dated January 25th,
2012
Abrasion resistance tests performed by Face Consultants Ltd., according to BS 8204-2:2003, report ref.
FC/12/3850, dated January 17th, 2012. (Tests performed on Sikafloor® -20/21 PurCem®)
Impact resistance values tested at PRA, Ref. nº
75221-151, dated January 11th, 2012
Slip resistance properties according to DIN 51130
tested at MPI (Materialprüfung und Entwicklung),
test reports refs. Nº 12-6639-S/12 and 12-6641-S/12,
dated August 7th, 2012.
Thermal expansion coefficient and freeze-thaw cycle
resistance performed at RWTH / IBA
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