Rubber Expansion Joint Bentonite and Rubber Water Stop Expansive Strips 20*30mm

Product Description

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

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	25
Standard Specifications:1.Section Size:20mmX25mm;2.lLength: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.

Product Performance and Standard(JG/T141-2001- The People's Republic of China Building Industry Standards)

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 resisitance	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	----	Overrall 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 resisitance	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	----	Overrall expansion,no fragments

Installation and Notes
1. To clear the debris, dross and dust, etc before installing the waterstop and keep the base dry;
2. The waterstop must be fixed with nails or adhesive on the surface of the central position, make sure not fall off;
3. The overlap joints of the waterstop must be parallel connection and form a closed, not leaving the breakpoint;
4. The storage and transport of the waterstop avoid moisture, extrusion, deformation;
5. The package box cantains detailed installation instructions, the construction must follow the instruct.

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