Sparay Polyurea Elatic Coating

• Certification: ISO, CE
• Material: PU
• Type: Roofing and Waterproofing
• Model NO.: SPUA-351
• Ceiling Tile Shape: Liquid
• Thickness: 1.5mm
• Surface Treatment: Spray Painted
• Function: Waterproof
• Usage: Outdoor
• Transport Package: barrel
• Specification: ASTM
• Trademark: yuhong
• Origin: China
• HS Code: 32089010
• Production Capacity: 80, 000 ton per year

Product Description

Two components spray-up elastic coating applied in complicated weather. Component A is a half prepolymer through the reaction between hydroxyl terminal compounds and isocyanate. Component B is a mixture consisting of amino terminal resign and amino terminal chain extender, not including hydroxy acrylic resin and activator.

Where to use:
Railway girder concrete bridge surface;
All constructions and water conservancy projects;
Chemical vessels;
Cabins and floors of ships;
Water resistance and corrosion resistance of decks and channels;
Grades with wear resistant, impact resistant and skid resistant functions;
Large area and unnormal waterproof projects.

Advantages:
Fast curing on any surfaces, slopes and vertical planes without sagging;
Excellent bonding functions with all materials, including cements, steel plates and wood plates;
Excellent sealing quality, water resistance and penetration resistance;
Resistance to long-term acid, alkali and salt erosion;
Good thermal stability: It can be used below 100° C for a long time;
Good flexibility and mechanical properties, even in -40° C
Excellent tensile strength and elongation;.
Excellent cracks deformation resistance;.
Wear resistance and impact resistance..

Item				Requirements
Solid content, % ≥				98
Gel time, s ≤				45
Surface drying time, s ≤				120
Tensile strength, MPa ≥				16.0
Elongation at break, % ≥				400
Tear strength, N/mm ≥				60
Fold ability at low temperature,   C ≤				-40
Water tightness, 0.4MPa × 2h				Pass
Thermal tensile ratio, %			Elongation ≤	1.0
			Shrinkage ≤	1.0
Water absorptivity, % ≤				5.0
Bonding strength on substrate, MPa		Dry surface ≥		2.5
		Wet surface ≥		2.5
Peel strength on substrate, N/mm ≥				6.0
Hardness, Shore A ≥				90
Resistance to impact, 100 cm				No cracking, wrinkle and flaking
Wear resistance, (Akron machine) cm 3, 1.61 km ≤				0.50
Thermal treatment	Tensile strength retention rate  , %			80-150
	Elongation at break, % ≥			90% Retention rate
	Fold ability at low temperature,   C ≤			-40
Alkali treatment	Tensile strength retention rate  , %			80-150
	Elongation at break, % ≥			90% Retention rate
	Fold ability at low temperature,   C ≤			-40
Acid treatment	Tensile strength retention rate  , %			80-150
	Elongation at break, % ≥			90% Retention rate
	Fold ability at low temperature,   C ≤			-40
Salt treatment	Tensile strength retention rate  , %			80-150
	Elongation at break, % ≥			90% Retention rate
	Fold ability at low temperature,   C ≤			-40
Oil treatment	Tensile strength retention rate  , %			80-150
	Elongation at break, % ≥			90% Retention rate
UV aging, 1500 h	Tensile strength retention rate  , %			80-150
	Elongation at break, % ≥			80% Retention rate
	Fold ability at low temperature,   C ≤			-40
Alkali resistance, saturated Ca(OH)2 solution, 500 h				No grooving, blistering and peeling
Time for heavy goods vehicles				0.6 MPa ground pressure in 24 hours