J-340B is one-component, moisture curable polyurethane sealant. Good sealing and flexible performance.
No corrosion and pollution to base material and environment-friendly. Pricking resistance, easy for repairing. Good bonding performance with cement and stone.High modulus, good anti-water pressure performance.
Product Features
- One-component, excellent extrudability, no sag, easy construction.
- High modulus, good anti-water pressure performance.
- Solvent &DOP – free
Areas of Application
Suitable for areas requiring low movement, high resistance to penetration and pressure.
For air surface waterproofing of bridges, tunnels, drainage pipes.
For bonding and sealing of precast panels, concrete interior walls and stone.
Packing Specification
- Cartridge: 310ml; 12pcs/20pcs/24pcs per carton
- Sausage: 400ml/600ml; 20pcs per carton
- Barrel: 200L/250KGS
Choosing J-340B for your application
Start with the joint movement, substrate and exposure conditions. J-340A is listed as low modulus; J-340B and J-340H are listed as high modulus. Ask our team to confirm the differences between J-340B and J-340H for your project.
| Model | Listed application focus |
|---|---|
| J-340A | Low-modulus construction sealant; tunnel, pipe, concrete and floor joints |
| J-340B | High-modulus construction sealant; low-movement joints, precast panels, concrete and stone |
| J-340H | High-modulus construction sealant; low-movement joints, precast panels, concrete and stone |
Request J-340B samples and a quotation
Include the following details in your enquiry:
- The substrates and any paint, coating or surface treatment.
- Joint or bead dimensions, expected movement and installation conditions.
- The package size, estimated order quantity and OEM packaging requirements.
- The delivery destination and required delivery date.
Ask for the current minimum order quantity, sample availability, production lead time and available technical documentation.
J-340B frequently asked questions
What is J-340B used for?
J-340B is listed for low-movement joints, bridge and tunnel waterproof sealing, and bonding or sealing precast panels, concrete and stone. Share your specific substrates and installation conditions so our team can review the application before you order.
What packaging is listed for J-340B?
The product page lists 310 ml cartridges, 400 ml and 600 ml sausages, and 200 L / 250 kg barrels. Confirm the required format, carton quantity and current availability with your quotation.
How do J-340A, J-340B and J-340H differ?
J-340A is listed as a low-modulus sealant. J-340B and J-340H are listed as high-modulus sealants for low-movement applications. Provide the joint dimensions, expected movement and substrate details, and ask for model-specific technical data to confirm selection.
What information is needed for a joint-sealing enquiry?
Provide the joint width and depth, substrates, expected movement, water exposure and installation conditions. Include drawings or photographs if available and request the application instructions for your project.
How can I request J-340B samples, OEM packaging or technical documents?
Use the enquiry button and include the model, intended application, required packaging, estimated quantity and delivery destination. Ask our team to confirm sample availability, OEM requirements, minimum order quantity, lead time and the available technical documents.
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