Sika SikaBond® T55 Trowel Grade Polyurethane Elastic Adhesive for Wood Flooring

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Sika SikaBond® T55 Trowel Grade Polyurethane Elastic Adhesive for Wood Flooring
Categories:	Polymer; Adhesive; Thermoset; Polyurethane, TS; Thermoset Polyurethane, Elastomer, Unreinforced
Material Notes:	SikaBond-T55 is a one-component, low-VOC, permanently elastic, crack bridging, super strong polyurethane adhesive for full surface bonding of wood flooring. Where to Use SikaBond-T55 may be used for solid and engineered wood floors (strips, longstrips, planks, panels, boards) mosaic parquet, industrial parquet, wood paving (residential) as well as chip boards can be bonded. Advantages: 400% Elongation Formulated to be extremely easy to trowel, preventing arm strain Fast curing - unfinished wood flooring can be sanded after 12 hours of cure time Crack bridging Suitable for most common types of wood floors Especially good for problematic woods such as beech and bamboo Suitable for bonding wood floors directly onto old ceramic tiles Suitable for in-floor radiant heat installation Footfall-sound-dampening adhesive Contains no water Bonds solid wood flooring up to 8 inches wide and engineered planks up to 14 inches wide directly to concrete with no length limitations Eliminate sleepers and plywood over concrete and gypsum substrates Permanently elastic – allows planks to expand and contract without damage to the adhesive or substrate Information provided by Sika Corporation.
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Physical Properties	Original Value	Comments

Density	1.34 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Shore A	35	after 28 days
Tensile Strength	217 psi
Elongation at Break	400 %	50% RH
Shear Strength	145 psi	1 mm adhesive thickness at 73°F (23°C) and 50% RH

Thermal Properties	Original Value	Comments
Maximum Service Temperature, Air	158 °F
Minimum Service Temperature, Air	-40.0 °F

Processing Properties	Original Value	Comments
Cure Time	4.00 hour	Floor may accept light foot traffic
	12.0 hour	sanded
	45.0 - 60.0 min	50% RH, Skinning/Laying time
	24.0 hour @Thickness 4.00 mm, Temperature 23.0 °C	50% RH
Shelf Life	12.0 Month @Temperature 10.0 - 25.0 °C	in original unopened cartridge

Descriptive Properties
Chemical Base	1-component polyurethane	moisture curing
Color	Tan

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PSIKA922 / 209829

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