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single part polyurethane expansion joint sealant

1000-9999999 Kilograms
>=10000000 Kilograms
Min. Order
1000 Kilograms
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Company Information

Shanghai Sepna Chemical Technology Co., Ltd.

CN Manufacturer, Trading Company
Response Time
Response Rate:
$ 350,000+
9 Years Paid Supplier Trade Assurance Supplier
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Quick Details

CAS No.: 9009-54-5
Other Names: PU Joint Sealant
EINECS No.: 210-898-8
Place of Origin: China
Classification: Other Adhesives
Main Raw Material: Polyurethane
Usage: Construction,Transportation,Communication field
Brand Name: SEPNA
Model Number: PU310
Type: Self-leveling
Product name: polyurethane expansion joint sealant
Color: Grey
Material: Polyurethane
Appearance: Liquid
Feature: Flexible
OEM: Offered
samples: provide
shipping: by sea, by express
Package: 600ml sausage/20kg bucket
Shelf life: 9 months
Selling Units: Single item
Single package size: 35X28X32 cm
Single gross weight: 21.5 KG
Package Type: 20KG metal bucket, 230KG metal bucket
Package Preview:

single part polyurethane expansion joint sealant


Product Description





Product Description


One component polyurethane joint sealant is a durable elasticity moisture curing polyurethane polymer based road joint filling material. It is widely applied in filling road joints for the excellent properties and easy application

Key Features

1. One component, very easy for application, free solvent, non-toxic odorless after curing, environment-friendly

2. Self-leveling, excellent flowability, easy to scratch sewing operation

3. Durable flexibility, no crack, excellent sealing and waterproofing

4. High displacement, fall off, suitable for sealing kinds of concrete road

5. The new and used sealant has good compatibility, easy to repair

6. Excellent water resistant, oil resistant, acid and alkali resistant, resistance to puncture 

Typical Applications

1. Suitable for sealing and filling of expansion joints and settlement joints of airport runway, highway, building roof, underground parking, storage yard, industrial floors, driveways, loading docks and basement

2. Crack repairing of highway, plaza, roof, bridge and epoxy floor etc.

3. Repair all kinds of concrete road surface




Technical Data Table





Main raw material




Visual inspection

grey, liquid




Flow ability



Solid content



Surface dry time



Tack free time



Fully cured time



Elastic recover rate



Elongation at break



Application temperature



Service temperature



Shelf life



l Application Points

1. Base surface requirement: dry, clean and non-pollution

2. Application tools: cutting machine, blower, joint filling machine, brush, shovel knife etc.

l Application methods

1. Construction joint cutting: use the cutting machine to cut construction joint according to the designing and Programming, clean the dust and debris in the joint by the tools such as blower, brush and shovel knife. And make joint be dry completely

2. Backer rod installation: slightly install the polyethylene strip backer rod which the size should be larger than the construction joint, depth designed according to the application condition.

3. Application:

From metal bucket and drum, installation the sealant into the joint filling machine, put the sealant pouring hose deep to the bottom of construction joint, then inject the sealant into the construction joint. 

4. Reserve gap: the construction joint will be expanding or contracting with the changing temperature, therefore, after application, the sealant should be installed lower than the concrete surface. 2-3mm in summer, 1-2mm in winter

5. Curing to tack free time, about 6 hours in summer ,12 hours in winter .


 joint sealant .png

Attention of operation

1. The sealant should be guaranteed in the warranty period before application.

   2. This product non-toxic after curing completely, but before curing, please keep it away from eyes and  skin. If touch it with eyes and skin, wash immediately and thoroughly with soap and water. If feel uncomfortable, please go to hospital timely.


Packaging & Shipping

20kg/metal bucket, 230kg/Drum, 600ml/Sausage,20 pcs per carton


 Transportation: protect the products from stamp,rain,high temperature and heat souce;carefully and slightly move and forbid the products to squeeze and crash



Our Services







Q: What's your delivery time?

A:  Normally, the delivery time of sample order is 3-7days 

      Bulk order is 10 days after received the PO and deposit

Q: Can I get samples?

A: YES! Usually one piece 600ml Sausage or 1kg tin free sample supplied for your quality check.

 Three ways to get free samples below

 1. Supply us your import express account DHL/Fedex for sample shipping

 2. You can inform your DHL/Fedex to pick up the sample from Sepna factory.

 3. Pay express fee to Sepna company by Paypal or TT, we will arrange the sample delivery on our side.


Q: What is your MOQ?

A:  Our MOQ is 1000pcs 600ml Sausages.


Q: Can you do OEM lable for the products?

A: YES, the OEM service such as buyer labels are accepted as long as your order reach our standard amount.


Any more questions, please contact us anytime!