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Bentonite is a swellable clay waterproofing compound that is glued or nailed in strips into construction joints. Known as a hydrophilic waterstop system, bentonite expands up to sixteen times its dry volume when it comes into contact with water, forming a compression seal in concrete joints. Bentonite's ability to swell enables it to fill small cracks and voids in concrete, preventing the ingress of water around joints. And since clay is a natural material, bentonite is a popular waterstop choice for potable water applications.
How to use vulcanized expansion Water Stop Strip?
1) It is necessary to paste the construction joint for fixing the vulcanized product type expansion Water Stop Strip The interface of the post pouring joint shall be kept dry and flat. The scum, dust and other objects on the interface shall be cleaned before the construction of Water Stop Strip
2) After the installation position of vulcanized expansion Water Stop Strip is determined, apply a thin layer of adhesive on the interface where the Water Stop Strip needs to be placed and the bottom surface of the Water Stop Strip, and paste it after the mucus volatilizes for a period of time, or fix the Water Stop Strip at the installation position with anchor nails.
Features & benefits:
Water swelling rubber has more characteristics and advantages than ordinary rubber. The Water Stop Strip produces 2-3 times expansion deformation after encountering water, fills all irregular surfaces, cavities and gaps of the joint, and generates huge contact pressure to completely prevent leakage.
| NO. | ITEM | Result | ||
| PN-150 | PN-220 | PN-300 | ||
| 1 | Expansion rate/% ≥ | 150 | 220 | 300 |
| 2 | Flow at High Temperature(80ºC×5 h) | No flow | No flow | No flow |
| 3 | Low temperature test (-20ºC×5 h) | No crack | No crack | No crack |
| 4 | Peel Strength | 0.05 MPa | ||
| 5 | Shear Strength | 1.0 MPa | ||
| 6 | Hydrostatic Pressure | 1.2 MPa | ||
| No. | Item | Index | |||||
| PZ-150 | PZ-250 | PZ-400 | PZ-600 | ||||
| 1 | Hardness(ShoreA) | 42±7 | 45±7 | 48±7 | |||
| 2 | Tensile Strength,Mpa >= | 3.5 | 3 | ||||
| 3 | Break & Elongation,% >= | 450 | 350 | ||||
| 4 | Volume Expansion,% >= | 150 | 250 | 400 | 600 | ||
| 5 | Repeated Flooding Experiment | Tensile Strength, Mpa >= | 3 | 2 | |||
| Break & Elongation,%>= | 350 | 250 | |||||
| Volume Expansion,%>= | 150 | 250 | 300 | 500 | |||
| 6 | Low Temperature Bending | No Cracks | |||||
Hengshui Jingtong Rubber Co., Ltd. is a professional manufacturer of rubber products which are used in road and bridge, tunnel, water conservancy, electric power, railway, etc.
1. Hengshui Jingtong Engineering Rubber Co.,Ltd. is located in Hengshui City development Zone, covering an area of 98000 square meters, construction area of 45000 square meters, with more than 20 professional senior technical personnel.
2. There are 10 series, over 200 species and more than 2,000 specifications. Our main series include rubber water-stop series, rubber pipe plugs, and bridge rubber bearing series, etc.
3. Our engineering rubber products include: rubber waterproof stops, plate type bridge rubber bearings, pot type bridge rubber pneumatic molds/Gasbag inner molds, bridge expansion joints, rubber pipe bulges, etc.
All products have been authenticated by the Ministry of Communications, the Ministry of Railway and the Ministry of Water Conservancy, and have been authenticated with International Quality System Certificate.
Our products are widely recognized and trusted by users and can meet continuously changing economic and social needs. Hengshui Jingtong Engineering Rubber, your best choice!
Our services
1. who are we?
We are based in Hebei, China, start from 2013,sell to Domestic Market(80.00%),South America(4.00%),Africa(4.00%),Southeast Asia(4.00%),Mid East(4.00%),Oceania(2.00%),Western Europe(1.00%),Eastern Europe(1.00%). There are total about 51-100 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.what can you buy from us?
Bridge Bearing Pad,Expansion Joint,Rubber Inflatable Airbag,Waterstop Belt/Strip,Steel Expansion Joint
4. why should you buy from us not from other suppliers?
1.More than 20 professional senior technical personnel. 2.There are 10 series,over 200 species and more than 2,000 specifications. 3.All products have been authenticated by the Ministry of Communications. 4.Self-research and development,professional.
5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,FAS,CIP,FCA,CPT,DEQ,DDP,DDU,Express Delivery,DAF,DES;
Accepted Payment Currency:USD,CNY;
Accepted Payment Type: T/T,L/C,Credit Card,PayPal,Western Union,Cash,Escrow;
Language Spoken:English,Chinese
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