High-Quality Neodur Polyurea Suppliers – SWD9007 traffic tunnel special fire retardant polyurea anticorrosion protective coating – SWD

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High-Quality Neodur Polyurea Suppliers – SWD9007 traffic tunnel special fire retardant polyurea anticorrosion protective coating – SWD Detail:

Product features and advantages

*Solvent free, 100% solid content, safe, environmentally friendly and odor free.

*Rapid cure, can be sprayed forming on any bent, slope and vertical surfaces, no sagging.

*Dense coating, seamless, with good flexibility

*High adhesive strength, can fast bond well on many substrate like steel, concrete, wood, fiber glass etc.

*Excellent impact resistance, abrasion resistance

*Excellent corrosion resistance and chemical resistance to acids, alkali, salts etc.

*Excellent waterproof performance

*Good shock absorbing performance

*Excellent resistance to temperature variation

*Fast cure, application site back to service quickly

*Excellent durability to reduce maintenance cost of service life

*Extend the service life of sprayed structure

Application scopes

Fire retardant anticorrosion waterproof protection of railways, road, urban subway and other transportation facilities.

Product information

Item	A	B
Appearance	Pale yellow liquid	Adjustable color
Specific gravity (g/m³)	1.12	1.22
Viscosity (cps) @25℃	800	880
Solid content (%)	100	100
Mix ratio (by volume)	1	1
Gel time (second) @25℃	4-6
Surface dry time (second)	15-40
Theoretical Coverage (dft)	1.08kg/㎡ Film thickness 1mm

Physical properties

Item	Test standard	Result
Hardness (Shore A)	ASTM D-2240	92
Elongation rate（%）	ASTM D-412	180
Tensile strength（Mpa）	ASTM D-412	8
Tear strength (N/km)	ASTM D-624	60
Impermeability(0.3Mpa/30min)	HG/T 3831-2006	impermeable
Wearable（750g/500r）/mg	HG/T 3831-2006	1.2
Adhesive strength（Mpa）concrete base	HG/T 3831-2006	3.2
Adhesive strength（Mpa) steel base	HG/T 3831-2006	11.3
Density（g/cm³）	GB/T 6750-2007	1.08
Cathodic disbondment [1.5v,(65±5)℃，48h]	HG/T 3831-2006	≤15mm
Fire retardant	GB8624-2012	B1

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Duayen Polyurea