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concrete expansion joins self-leveling sealant

$3.80
1-999 Units
$2.80
1000-99999 Units
$2.00
>=100000 Units
Min. Order
1 Unit
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Company Information

Shanghai Sepna Chemical Technology Co., Ltd.

CN Manufacturer, Trading Company
Response Time
<24h
Response Rate:
97.8%
Transactions
US$ 240,000+
9 Years Paid Supplier Gold Supplier Onsite Check Trade Assurance
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Quick Details

CAS No.: 9009-54-5
Other Names: polyurethane
MF: CH3H8N2O
EINECS No.: 210-898-8
Place of Origin: Shanghai China
Classification: Other Adhesives
Main Raw Material: Polyurethane
Usage: Construction,Fiber &amp; Garment,Footwear &amp; Leather,Packing,Transportation,Woodworking,Metal,Glass,autobody,auto,automobile,automotive,car glass, windscreen
Brand Name: PUNADE
Model Number: PU820
Color: grey
Propetry: waterproof, weatherproof, age resistant
Delivery time: fastest delivery(5~7days) and good quality
Certificate: CE,SGS,ISO9001:2000,MSDS,, ROHS
Manufacture: R&amp;D Manufacture, factory,China supplier
MOQ: 500~2000 Unit
Samples: Free samples
Shipping: By Express(Fedex, UPS ,DHL,TNT), or by sea
We: Senior Member of Shanghai International Chamber of Commerce
Clients: Construction companies,Lupu Bridge,Tunnel projects,governmental etc
Selling Units: Single item
Single package size: 35X5X5 cm
Single gross weight: 0.82 KG
Package Type: Polyurethane pu Sealant Airport Runway Joints Sealant 310ml cartridge, 20pcs/carton CTN size:230*140*14.6mm ,GW.:10kg NW.:8.38Kg 400ml sausage, 20pcs/carton CTN size:225*130*142mm,GW.:11.6Kg,NW.: 10.8Kg 600ml sausage,20pcs/carton,CTN size:225*195*140mm,GW.: 16.8Kg,NW.:16.2kg
Package Preview: https://sc01.alicdn.com/kf/HTB1tlQ4QmzqK1RjSZFHq6z3CpXac.jpg_640x640.jpg,https://sc02.alicdn.com/kf/HTB1J_hoQyLaK1RjSZFxq6ymPFXag.jpg_640x640.jpg

 

Core Advantage

Mobile/Whatsapp/viber :0086 15216655520 let's talk more!!!

core advantage

Product Display

concrete expansion joins self-leveling sealant 

 

  High Performance Single component concrete expansion joins self-leveling sealant 

Usage

1. Suitable for expension joints and settlement joints sealing on road, airport running way, building 

roof and basement

2. Cracks repairing on highway, plaza, roofing and bridges.

 

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Features

1. One component, easy application, no solvent, no toxity after curing, environment friendly.

2. Easy application with scraper.-

3.Low modulus. High elasticity, soft and durable, no cracking, very good performance on 

sealing and waterproofing properties.

4.Good adhesion to various of substrates, no corrosion to base material, no pollution.

5.Compatible with old sealant, convenient for repairing.

6.Excellent water, acid and alkaline liquid resistance.

Data Table

Testing Items

Slot filling adhesive

Low elasticity

High elasticity

Appearance

Grey

Grey

Solid content

80

85

Flowability

0

0

Elastic recovery (%)

75

90

Bonding strength with concret( Mpa)

0.2

0.2

Elongation at break (%)

200

400

Elongation at low temperature(-10 ºC)

30

40

Touch Dry time (h)

3

3

Full curing time

24

24

Pollution

Non

Non

Application temperature  (ºC)

 +5~+35

 +5~+35

Shelf life(month) 

9

9

 

 

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Operation: 

the construction requirement of PU820

The main points of construction:
Substrate surface requirementsKeep dry, clean and pollution-free.
Construction tools: cutting machine, blower, filling and sewing equipment,or glue gun, brush, the scraper knife.     
                    The construction method
1.Construction joint cutting: using the cutting machine cut the construction joints according to design.Using the 

blower,brush,scraper knife remove the dust inside the joints and keep fully dry;
2.Liner material laying:

Put superior polyethylene foam than the joints into the construction joints,the depth is according to the construction 

conditions
3.Application:

Using the equipment:Put the sealant into the filling and sewing equipment and set the glue hose into bottom of the

joints and inject the sealant into the joints.

Filling glue after construction should be lower than the road surface,in Summer for 2-3mm,and in winter 1-2mm.

expansion due to construction joint will change with temperature, therefore, filling glue after construction should be

 lower than the road surface, summer for 2-3 mm, 1-2 mm. The winter;
4.Curing time:about 6 hours in summer, 12 hours in winter.

Construction quality inspection

Appearance inspection:the sealant should be fully of the designed joints,no bubbles and space.or cut the bubble

and space and infuse new glue to modified the surface.

 

Attention

Dont mix alcohol into the sealant,it will Lead to serious failure of the sealant.

The sealant should be used in shelf life.Its better to use up in one day once the drum is open.Otherwise,keep

 it sealed.Check the effectivity next time when use it,and clear up the cured glue nozzle.

The curing speed will be slow down in ill-ventilated  or low humidity environment

Package & Storage

Product Model

PU820

Material

Polyurethane

Size

310ml/400ml/600ml/240kg

Packaging

310ml cartridge,20pcs/ carton

400ml/600ml sausage,20pcs/ carton,25kkg.drum

shelf Life

9 months

Storage

Keep in cool and ventilative place Temperature≤25°C, humidity≤50%RH

Production Process

production process

 

Patent Certificate

certification

 

Cooperation Brand

cooperation brand

 

Packing And Shipping

shipping

 

Service Process

Exhibition of SepnaHTB1q9HRHXXXXXclaXXXq6xXFXXXc

 

FAQ

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1.Q:Delivery time ?



A: Normally,delivery time of sample order is 7 to 10 days, 
standard order is 15-20 days.


2.Q:How to get samples ?



A: Normally,Sepna offer our customer 1-2pcs or 50-100g free samples for quality testing.


3.Q:How to be Sepna’s distributor ?



A: As the growing of Sepna’s global business,we need to find more and more distributors and agents 
worldwide.Sepna will provide the best solution and service for our partners.
For more information,pls contact our salesperson or call us:+86-400-882-1323


4.Q:Any OEM service ?


A: Yes. Sepna can offer the customer OEM label service,and will give the protection of the your right in your market.


5.Q:Do you have MOQ ?


A:Yes.Normally,MOQ is 2000pcs or 1000kgs.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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