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MARISEAL® 400W - Aliphatic Polyurethane Top Coat

Name: MARISEAL® 400W - Aliphatic Polyurethane Top Coat
Brand: MARIS POLYMERS S.M.S.A
SKU: g2rJUdyYiHYpe96Te21bH

Verified by manufacturer 11 months ago

MARIS POLYMERS S.M.S.A

Third party certifications:

EPD
Certificate type
European Technical Approval (ETA)
Certificate type
ISO 9001 Quality Management
Certificate type

Water-based, pigmented, wear resistant, semi-rigid, colour and UV stable polyurethane coating, used as a top coat for protection over water-based waterproofing membranes.

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Application

Top coat for use over MARISEAL® waterproofing membranes on:

Roofs;
Protection of polyurethane foam insulation.

Can be used over MARISEAL® 250W on surfaces with light pedestrian traffic (e.g. roofs/ terraces/ residential walkways) that require a glossy, colour-stable and non-chalking finish.

Description

Water-based, pigmented, wear resistant, semi-rigid, colour and UV stable polyurethane coating, used as a top coat for protection over water-based waterproofing membranes.

Based on the innovative PUD-Technology™ of Maris Polymers SMSA.

Features and benefits:

One component, water-based aliphatic polyurethane.
Simple application (roller or airless spray).
Forms a hydrophobic, 100% waterproofing, seamless polyurethane coating that protects the waterproofing basecoat efficiently and on a long-term basis.
Resistant to abrasion.
Provides high solar reflectance (white colour) contributing to thermal insulation.
EPD verified.
Gives an easy-to-clean surface.
No chalking effect.
Resistant to frost.
Maintains its mechanical properties over a temperature span of -30 to +80°C.
Low VOC content, <100 g/L.

General information

Color	White Grey Guidance for specification option: Light grey. Red Other Guidance for specification option: Bespoke.
Finish	Gloss
Material	Polyurethane (PUR) Guidance for specification option: Solvent based. Water-based
Shape	Formless

Uniclass	Pr_35_31_77_92 Ultraviolet (UV)-resistant sealersPrimary Pr_35_31_68_64 Polyurethane (PUR) waterproof coatings
CAWS	J31/47 Waterproof coating J31/353 Waterproof coating

Specification data - Ultraviolet (UV)-resistant sealers

Category	Top coat or paint for protection of the waterproofing membrane.
Colour	White. Light grey Red. Other. Guidance for specification option: Consult manufacturer for options and insert requirements.

Coverage	0.2–0.4 kg/m² in one or two layers. Guidance for specification option: Based on practical application by roller onto a smooth surface in optimum conditions.
Elongation at break	To ASTM D412, 250%.
Tensile strength	To ASTM D412, >20 N/mm².
Shore A hardness	To ASTN D2240 (15"), 85–90.
SolarReflectance	Solar reflectance, to ASTM E903-12, 85 (white only).
Service temperature	-40 to +90°C.
Final curing time	Seven days (at 20°C, 50% relative humidity).
Performance characteristics	Resistance to water pressure, to DIN EN 1928: No leak. Gloss retention after 2000 h of accelerated aging, to DIN 67530: Good. Gloss chalking after 2000 h of accelerated aging, to DIN EN ISO 4628-6: No chalking observed; chalking grade 0. Infrared emittance, to ASTM C1371-04a: 0.89 (white only). Solar reflectance index (SRI), to ASTM E1980-01, 107 (white only). UV accelerated aging in the presence of moisture, to EOTA TR-010: Passed. Hydrolysis (5% KOH, seven day cycle): No significant elastomeric change. Tack free time: 1–3 hours. Light pedestrian traffic time: 12 hours. Chemical properties: Good resistance against acidic and alkali solutions (5%), detergents, seawater and oils. Guidance for specification option: Time results based on conditions of 20°C and 50% relative humidity (RH).