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Waterstop strips Current Position：Home > Waterstop strips

Waterstop strips

■ Product description

Waterstop strips is a hydrophilic swelling bentonite waterstop. The based material is bentonite clay with polymer rubber. The product swell when contact with water create more than 300% expansion. The release benonite fill void between the two portion of concrete joint.

■ Area of uses

◇ Construction joints. ◇ Water tank, waste water tank. ◇ Tunnels. ◇ Basements. ◇ Elevator pits. ◇ Retaining walls. ◇ Pipe penetration. ◇ King post. ◇ Sheet pile joint. ◇ Precast concrete structure. ◇ Block out. ◇ Pile cap.

■ Advantages

◇ Withstand hydrostatic pressure. ◇ Can use in portable water tanks. ◇ Fast and easy installation. ◇ Fast track project. ◇ Easy to joining. ◇ Durability. ◇ Economical. ◇ Easy to transport.

■ Applications

1. Vertical and horizontal concrete construction joints;

2. Junction of old and new buildings;

3. Around wall pipe (including pipe and cable ducts);

4. Can be constructed in irregular surface;

5. Sealing the gap of all kinds of buildings, tunnels, underground projects and water engineering.

■ Main Advantages

Waterstop strips

1. Construction simple, rapid, individual could be independent construct;

2. Easy to install and cut, no weld seams and other installation accessories;

3. Active sealing performance and permanent stability;

4. Comprehensive cost-effective;

5. Can be construct in both cold and hot weather, and can be used in the irregular surface;

6. Domestic and international practice proved to be the best construction joint waterproofing products.

■ Product Specifications

Length(mm)	Width(mm)	Thickness(mm)
5000	20	30
5000	10	20
Standard Specifications	1.Section Size:20mmX25mm;2. Length:5.0m/roll;3.Package:10rolls/box.
Size bias	Length is within specification value+1%,width and thickness is within specification value+1%.Other special specification and size is confirmed by two sides.

Items			Index
			Common				Slow-swelling
Anti-water pressure,Mpa			1.5				2.5
Water welling rate in specified time/%	4h			200-250			----
	24h			----			200-250
	48h
	72h
	96h
	120h
	144h
Maximum water swelling ratio/%						400	300
Density,g/cm3					1.6±0.1		1.4±0.1
Heat resistance		80°C,2h			----		No flow
		150°C,2h			No flow		----
Low temperature flexibility		-20°C,2h circleΦ20mm Rods			----		No crack
		-35°C,2h circleΦ20mm Rods			No crack		----
Water resistance		Soak 24h			No mud		----
		Soak 240h			----		Overall expansion,no fragments

Items			Index
			Common	Slow-swelling
Anti-water pressure,Mpa			1.5	2.5
Water welling rate in specified time/%	4h	200-250		----
	24h	----		200-250
	48h
	72h
	96h
	120h
	144h
Maximum water swelling ratio/%			400	300
Density,g/cm3		1.6±0.1		1.4±0.1
Heat resistance	80°C,2h	----		No flow
	150°C,2h	No flow		----
Low temperature flexibility	-20°C,2h circleΦ20mm Rods	----		No crack
	-35°C,2h circleΦ20mm Rods	No crack		----
Water resistance	Soak 24h	No mud		----
	Soak 240h	----		Overall expansion,no fragments