Most Competitive No Cracking PU Adhesive Sealant for Concrete Exterior Wall

Min.Order: 3,000

Product origin: Shanghai, China

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Complaint

US$ 2 ~ 2.4

Description

·Siway

·SV823 Polyurethane(PU) Sealant

·Product Description
SV823 is a one-component moisture curable polyurethane sealant with good sealing and flexibility. It has no corrosion, no pollution, no pollution to the environment, no puncture, easy repair and good adhesion to concrete, stone, metal and other materials substrates.

·Key Features
1. Weather resistance, good durability, no pulverization, no cracking.
2. Single component, excellent extrusion, no sag, easy construction.
3. Low modulus, strong displacement resistance.

·Typical Applications
1.Sealing and waterproofing expansion joint of concrete exterior wall.
2. Sealing and bonding reserved joints of metal curtain wall.
3.Sealing joints between aluminium alloy window frames and concrete.
4.Bonding concrete and cement walls joints.

·Technical Data Table

PROPERTY	STANDARD/UNITS	VALUE
Main raw material	-----	Polyurethane
Color/state	Visual inspection	Black/white/gray, paste
Density	Gr/cc	1.35±0.05
Volatile content	%	≤4
Surface dry time	Hours	4
Curing speed	mm/ 24hrs	3~5
Hardness	Shore A	30±5
Tensile modulus	MPa	≤1.0
Elongation at break	%	≤700
Application temperature	°C	5~35
Temperature resistance	Up to 1 hour short time, °C	150
Shelf life	month	9

Note:All data above were tested under special condition (7 days after full cured).

·Directions for Use

Tool: Manual or pneumatic plunger caulking gun
Cleaning: Clean and dry all surfaces by removing foreign matter and contaminants such as oil dust,
grease, frost, water, dirt, old sealants and any protective coating.

For cartridge
1. Cut nozzle to give the required angle and bead size
2. Pierce the membrane at the top of the cartridge and screw on the nozzle
3. Place the cartridge in an applicator gun and squeeze the trigger with equal strength

For sausage
1. Clip the end of the sausage and place in barrel gun
2. Screw end cap and nozzle on to barrel gun
3. Using the trigger extrude the sealant with equal strength

Attention of operation
1. Choose this product, primer, activator and other matching product, must have bonding test before
bonding the materials, to ensure that they have good compatibility. At the same time, before
application, should guarantee that the sealant, primer and activator are in the warranty period.
2. Please strictly according to the application process, any violation of the application operation may
cause bonding failure. This product is innocuous after curing completely, but before curing, please
avoids contacting with eyes and skin. In case of eyes and skin contact, wash immediately and
thoroughly with soap and water. If the situation is serious, please go to see a doctor immediately.

Related products

·Packing and Storage

310ml cartridge, 400ml/600ml sausage 20pcs/box, 2 boxes/carton.

When stored at 5~25°C, humidity ≤50%RH in the original unopened containers, this product has a usable
life of 9 months from the date of production. Do not store at temp. over 25°C, humidity over 80%RH.
Transportation: moisture proof, prevent the rain, prevent sunscreen, anti-high temperature, away from heat, handle with care, crush or collision is prohibited.

·Safety Operation Data

MSDS isn't included here. Please read TDS, MSDS and label carefully before operation. You can get MSDS from SIWAY or other distributors, or mail to service center call

·Warranty and Liability
All product properties and application details based on information believe to be reliable and accurate. But you still need to test its property and safety before application. The advices we supply don't apply in any circumstances. SIWAY don't make assurance of any other applications outside the specification until SIWAY supply a special written guarantee. SIWAY is only responsible to replace or refund if this product is defective within the warranty period stated above. SIWAY makes it clear that will not be liable of any accidents.

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