PU831 PU/ Polyurethane Waterproof Coating/ roofing material asphalt shingles coating

FOB Price: US $0 - 3 / Piece Get Latest Price
Min.Order Quantity: 2000 Piece/Pieces
Supply Ability: 1000000 Ton/Tons per Year
Port: shanghai
Payment Terms: L/C,D/A,T/T,Western Union,MoneyGram,Payple,West Union
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Quick Details

Other Waterproofing Materials
Place of Origin:
Shanghai China (Mainland)
Brand Name:
Model Number:
Sagging properties(mm):
Unique Chinese Manufacturer of Construction concrete sealant
R&D Manufacture
-40-80 ℃
310ml cartridge,400/600ml sausage
Valid time:
L/C,T/T,Western Union,Paypal,Escrow,Any payment online
ISO9001,SGS,MSDS, Environmental reports ,Test Report etc.

Packaging & Delivery

Packaging Detail: 1. 310ml Cartridge, 20pcs per caton 1080pcs per cbm 33000pcs per 20ft container, 1080pcs per cbm 2. 600ml Sausage, 20pcs per carton 1cbm can take 800pcs 20ft container can take 20000pcs 600ml per sausae
Delivery Detail: Samples:3 days Standard order:7-10days Other:depend on quantity


2.Elongation at break(%)>550
4.Excellent waterproof property

Senior Member of Shanghai International Chamber of Commerce


 R&D Manufacturer



Data Table


Model Number

PU 831





Sagging properties(mm)


Tensile strength(Mpa)


Elongation at break(%)


solid content(%)


Touch dry time(h)


Pollution properties


Application temperature(°C)


Shelf life(month)




















Product Show










1. Pure polyurethane sealant,environment-friendly.

2. Contains no asphalt, tar or any solvents, no harm to construction personnel. 

3. Free from pollution to the environment, No toxity after curing, No corrosion to base material,High solid content.  

4. One component, convenient for construction, No need of mixing,surplus products should be kept in good airproof package.

5. Efficient:High strength and elasticity,resistant to acid and alkali,excellent bonding effect with concrete,tile and other substrates.

6. Cost-effectice:the coating expands a little after curing,which means it turns a little bit thicker after curing.

7. All items tested exceeds nation standard GB/T19250-2003





1. Waterproofing for basement, kitchen, bathroom, underground tunnel, deep wells structure and normal decoration.

2. Leak-proofing and penetrating-proofing of Reservoirs, water towers, swimming-pool, For Bath-pool, fountain pool, impounding reservoir, sewage cleaning pool and irrigation channel.

3. Used for preventing of leaking, corrosion and penetrating for water tanks, underground


4. Bonding and moisture-proofing of various floor tiles, marble ,asbestos plank and so on






For cartridge

1.Cut nozzle to give the required angle and bead size

2.Pierce the membrane at the top of the cartridge and screw on the nozzle

3.Place the cartridge in an applicator gun and squeeze the trigger with equal strength


For sausage

1.Clip the end of the sausage and place in barrel gun

2.Screw end cap and nozzle on to barrel gun

3.Using the trigger extrude the sealant with equal strength



Package and Storage

Product Model







310ml cartridge,20pcs/ carton

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

shelf Life

9 months


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



















Thanks for your visit our website , we are manufacture Polyurethane, Epoxy, Silicone adhesive sealant and grease for automibile ,construction,electronic,ect. We have the owen factory, Technical team and After service team. We have supplier for many Top 500 company and also OEM for many big brand. 


We will provide the professional solution for you.  

 Out standing customer care services at any time,24 Hour Help Support on line or call +86-400-882-1323







 Display room




If you have any problem please feel free to contact me.

Skype: cherry_gaoqinsepuna




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Shanghai Sepuna Chemical Co.,Ltd is a subcompany of PUNADE INTERNATIONAL GROUP, Sepuna is a professional industry adhesive supplier ,manufacturing polyurethane/silicon/epoxy sealant and adhesive,has nearly 10 years history.
In 2005 Sepuna introduced PUNADE technology from Switzerland.
Via the ISO90001:2000 certification.
In 2013 Sepuna introduce Drawing Machine technology and has put it into producing formally now.

Sepuna has professional factory which area is 5.000 squaremeters,and has ... View detail

Basic Information

Product/Service (We Sell): Polyurethane Adhesive,Polyurethane Sealant,Epoxy Adhesive,Silicone Adhesive  
Brands: PUNADE  
Number of Employees: 101 - 200 People  

Trade & Market

Main Markets: Central America
South Asia
Northern Europe
Domestic Market
Eastern Asia
Southern Europe
Southeast Asia
Mid East
Western Europe
Eastern Europe
South America
North America
Total Annual Sales Volume: US$50 Million - US$100 Million  
Export Percentage: 81% - 90%  

Factory Information

Factory Size (Sq.meters): 3,000-5,000 square meters  
Factory Location: Shanghai Minhang District  
Number of Production Lines: 10  
Number of R&D Staff: 11 - 20 People  
Number of QC Staff: 5 - 10 People  
Contract Manufacturing: OEM Service Offered   Design Service Offered   Buyer Label Offered  

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How It Works

China (Mainland) | Manufacturer, Trading Company | Contact Details
Experience: Established 2010 , 10 years OEM

Communicate with Supplier:

Ms. Cherry Gao
Ms. Cherry Gao:
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