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TP640 KINGWIT Safe Non-Toxic Anti-Leakage Urban Subways Underground Construction Water Swelling Polyurethane Sealant Supplier

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.
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  • TP640

  • KINGWIT

Products Advantages

● 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.


Water Swelling Polyurethane Sealant supplier


Products Parameters

Product Name


TP640-220/400 Water Swelling Polyurethane Sealant

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 toluene diisocyanate (TDI) g/kg

5



Application Scenarios

Water Swelling Polyurethane Sealant supplierWater Swelling Polyurethane Sealant supplier

●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.

Shandong Kingwit New Material Technology Co., Ltd. has been specializing in the R&D and marketing of Acrylic sealant, Silicone sealant, MS polymer, Polyurethane sealant etc for over ten years. In our company, OEM&ODM are available .We can provide free samples for you. 50+ sealant products varieties provide you one-stop shopping experience. We have exported to over 150 countries with designed labels.Above all,5 times quality check before shipment to insure stable and reliable quality.
FAQs
  • How can you guarantee the quality?
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    Firstly, We have rigiours quality test system. Secondly, we can promise order quality is same with sample,if there is any quality problem we can replace goods.
  • How can l get a sample?
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    Contact us for free samples. Delivery cost is to be paid by clients.
  • What is the minimum order quantity?
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    50 cartons for our brand, 200 cartons for your brand.
  • Can you provide OEM service?
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    Yes, and we also can offer you free design.
  • What is delivery time?
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    About 15 days working days.
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Shandong Kingwit New Material Technology Co., Ltd.
Add: Building 11, Huawei Big Data Industrial Park, Dongjiang Street, Yantai, Shandong, China.
Email: 
belle@kwsealant.com           jenny@kwsealant.com      
 
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