Lọc

Water Swelling Polyurethane Sealant

Water swelling polyurethane sealants 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. Water swelling sealant is suitable for waterproofing of concrete construction joints. Anti-leakage of various types of embedded components.

Model: TP640
Brand: Tengyu
Packing: 310ml, 600ml
Color: White, Black, Grey, OEM, etc.

Ask for Technical Info & Pricing!

Danh mục: Polyurethane Sealant

Mô tả
Đánh giá (0)

Welcome to come to our caulking company to buy the latest selling water swelling polyurethane sealant. And we will offer you the best after-sale service and timely delivery. We look forward to cooperating with you, if you want to know more, you can consult us now, we will reply to you in time!

Water Swelling Polyurethane Sealant Specifications:

Tengyu polyurethane sealant, Always Your First Choice

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 available.
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, water expansion sealant 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.

Technical Data

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
Long-term soaking volume expansion ratio retention (10%) ≧	5%NaCI	90
Harmful material limit	VOC g/L	200
Harmful material limit	The free toluene diisocyanate (TDI) g/kg	5

Applications

TP640 Water swelling sealant is suitable for following 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.

Storage

9 months stored at dry below 25℃ unopened in original containers.

Note

Keep contents out of reach of children. In case of contact with eyes, please rinse eyes with plenty of water and seek medical advice as soon as possible.