Swelling Polyurethane Sesalant for Underground Construction

Model NO.
TP640
Material
Polyurethane
Classification
Room Curing
Main Agent Composition
Polyurethane Elastomer
Color
White
MOQ
2400 Pieces for Cartridge
Color Matching
Available
Regular Color
White, Grey and Black etc
Features
Fast Dry
Paintable
Paintable
Appearance
Pasty
Shelf Life
12 Months
Net Weight
430g
Gross Weight
490g
Packing
24/Box
Logo Printing
Available
Package
310ml and 600ml
OEM
Available
Advantage
No Bubbles & No Crack
Transport Package
Sea Shipping, Air, Express
Specification
310ml and 600ml
Trademark
Tengyu
Origin
China
Reference Price
Please contact us for quote
Contact Us

Product Description

Swelling Polyurethane Sesalant for Underground Construction

Product Description

 
Swelling Polyurethane Sesalant for Underground Construction
TP640-220/400 are a one-component, water-swelling elastomeric sealant. It is based on the prepolymer of polyurethane and contains a special water-swelling unit. It has elastic rubber sealing water and double-sealing sealing mechanism of water expansion and water-stopping after water. It is suitable for waterproofing of concrete construction joints. Anti-leakage of various types of embedded components.
 
Swelling Polyurethane Sesalant for Underground Construction

Special Characteristics
*   Good water-stopping effect: it has the elastic sealing water of rubber and the double sealing water stopping mechanism of its own volume expansion and water stop after water, and can resist water pressure of 2.5Mpa.
*   Good expansion: high expansion rate, reaching more than 220% or 400%.
*   Convenient construction: single component, glue, standard caulking gun can be used.
*   Construction tight & close: It can be firmly attached to the concrete surface regardless of whether the base surface is wet, smooth or rough.
*   Safe and environmentally friendly: safe, non-toxic, it is an environmentally friendly product in contact with drinking water.
*   Cost-effective: The performance is better than the traditional construction joint waterproof material, such as steel edge rubber water-stop glue or tape, the price is reasonable.
Swelling Polyurethane Sesalant for Underground Construction
Typical application  
* Railway tunnels, road tunnels, urban subways, underground structures of buildings, sewage treatment tanks, etc.
* The construction joints of various underground structures are waterproof.
* The underground structure is watered after the pouring.
* All kinds of pre-buried pipelines, through-wall steel bars, H-beams, pile caps and other waterproof.
* Various types of construction joints or structural cracks are leaked.
Swelling Polyurethane Sesalant for Underground Construction
Swelling Polyurethane Sesalant for Underground Construction

Swelling Polyurethane Sesalant for Underground Construction
 

Product Parameters

 
Model TP-220 TP-400
Solid Content (10%) >= 95
Density (g/cm3) 1.4±0.1
Sagging(mm)<= 2
Tack free time(h) <= 12
7d Tensile Adhesive Strength (MPa)  >= 0.4 0.2
Low temperature flexiblility No Cracking
Tensile Strength (MPa) >= 1.0
Elongation at break (10%) 400
Volume expansion ratio (10%) >= 220 400
Long-term soaking volume expansion ratio retention (10%) >= 90
Water pressure resistance (no water seepage) (MPa) 1.5 2.5
Thickness after full dry(mm) >= 2
Long-term soaking volume expansion ratio retention (10%) >= Saturated Ca (OH)2 90
5%NaCI 90
Harmful material limit VOC g/L 200
The free toluen e  diisocyanate (TDI) g/kg   5
Packing
Swelling Polyurethane Sesalant for Underground Construction
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Company Profile

FAQ

1.Q: How can you guarantee the quality?
A: a. At first our QC staff will inspect the raw material,
b. During the process of before-filling, after-filling and before-delivery we will inspect the sealant too.
c. At last we will keep the sample for around 12 months to in case if there is any problem, so that we can trace it and solve the problem.

2.Q: How to solve the quality problem after sales?
A: Take the photos or videos of the problem to us. After confirm the problem, we will make a satisfied solution to you

3.Q: why should you buy from us and not from other suppliers?
A: In the past 10 years, TENGYU has developed into a modern environmental protection adhesive accessories comprehensive platform enterprise integrating R&D, production, sales, and import & export services. Here, you can enjoy our most considerate service and guarantee. We have professional customer service to do after-sales service to ensure that the goods can be delivered on time.

 

Adhesive