High quality pu sealant for Marine/boat/Ship, waterproof and acid proof seal/international marine paint adhesive

FOB Price: US $ 2 - 3 / Piece | Get Latest Price
Min.Order Quantity: 2000 Piece/Pieces
Supply Ability: 200,000 Ton/Tons per Year
Port: Shanghai, Any port in China
Payment Terms: L/C,D/A,D/P,T/T,Western Union,MoneyGram,Cash, Paypal etc.
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Quick Details

CAS No.:
Other Names:
pu adhesive
Place of Origin:
Shanghai, China (Mainland)
Other Adhesives
Main Raw Material:
Construction, Fiber & Garment, Footwear & Leather, Packing, Transportation, Woodworking, glass, vehicles, metal
Brand Name:
Model Number:
Acid proof
sagging properties:
one part
Black paste
-40-80 ℃
R&D Manufacture
We Who:
Senior Member of Shanghai International Chamber of Commerce
BMW, Volvo, Fuyao,Longking, Jabil etc.
ISO9001,MSDS, Test Report etc.

Packaging & Delivery

Packaging Details: 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
Delivery Detail: Two weeks after receiving the payment


1. Marine Pu sealant
2. Use in -40--80 degree
3. One part, similar with Sika
4. MSDS and ISO9001
5. Best in China


 Senior Member of Shanghai International Chamber of Commerce


  R&D Manufacturer



Model Number

PU 816

Main Raw Material








Volatile content




Touch dry time




Tensile strength


Elongation at break


Application temperature


Curing speed

3 - 5Mm/24hrs






































PU816 is one component polyurethane sealant special for ship



1. Good compatibility between new and used adhesives, easy to mend.

2. High tensile, elasticity, good cohesive force and no cracking

3. Single component, moisture curing, the thixotropy are extremely good, the construction are convenient

4. Solvent-free, non-toxic tasteless after curing, environmental protection

5. Good wear-resisting performance, as well as Oil, acid, alkali and salt fog resistance, no mildew

6. Puncture-resistance, anti-aging, weathering, as well as resistance to fatigue.

7. Good bonding performance with many kinds of substrates

8. No corrosion on the substrate surface, Paintable and polishable



1. Good sealing performance for expansion joint in ship

2. Sealing for waterproof installation of the cabin and floor 

3. Bonding and sealing of ship glasses

4. Sealing and water-proof for other structures' gap at joint and holes













Clean before operation

Clean and dry all surfaces by removing foreign matter and contaminants such as oil dust, grease, frost, water, dirt, old sealants and any protective coating. Dust and loose particles should be cleaned.


Direction of operation

Tool:Manual or pneumatic plunger caulking gun


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


Attention of operation

Wear suitable protective clothing, gloves and eye/face Protection. After contact with skin, wash immediately with plenty of water and soap. In case of accident or if you feel unwell, seek medical advice immediately



Package                                                                   Storage

310ml cartridge, 20pcs/carton                              Keep in cool and ventilative place

400ml/600ml sausage, 20pcs/carton                 Temperature≤25°C, humidity≤50%RH

Color:Black                                                               Shelf life: 9 months








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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 squ... View detail

Basic Information

Business Type: Manufacturer, Trading Company  
Main Products: Polyurethane Adhesive,Polyurethane Sealant,Epoxy Adhesive,Silicone Adhesive  
Number Of Employees: 101 - 200 People  

Trade & Market

Main Markets: Eastern Europe
South America
North America
Mid East
Western Europe
Southeast Asia
Eastern Asia
Southern Europe
Domestic Market
Northern Europe
Central America
South Asia
Total Annual Sales Volume: US$50 Million - US$100 Million  
Export Percentage: 81% - 90%  
Trade Shows: Electronica India 2014   FEICON BATIMAT 2014    

Factory Information

Factory Size (Sq.meters): 3,000-5,000 square meters  
Factory Location: Shanghai Minhang District  
No. 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

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