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Quick Details

  • Place of Origin: Shandong, China (Mainland)
  • Brand Name: polyken
  • Model Number: VISCOWRP
  • Tensile strength: 45N/cm
  • Application temperature: -40 to +70℃
  • Density: 1.6-1.7g/cm3
  • Validity: Over 30 years
  • Using for: Steel pipeline
  • Features: Corrosion protective and Waterproof
  • Color: Green or Blue
  • Coating: 2-layer system
  • Wide:: 50mm,75mm,100mm,150mm
  • Length:: 5m,10m,20m

Packaging & Delivery

Packaging Details Export Carton OR as you require
Delivery Time Shipped in 5 days after payment

 Polyken visco elastic tape 

Product Description


Visco-elastic anticorrosive tape has excellent viscolastic , water-proof sealant and easy-used characters. In normal conditions, its viscoelastic property will keep above 30 years. 


Visco elastic coating is a 2-layer system that consists of a corrosion protective inner wrap (VISCOWRP) and mechanical protective outer wrap that can be a PE, PVC or PU composite outer wrap.



  • Is easy to use and can be applied in almost any situation, including below- and above grade structures and steel pipelines,elbow pipe, pipe bending, three joints and insulated flange.
  • Remains flexible even after decades
  • Adheres to any dry surface, such as concrete, steel, pvc, piping, ducts, etc.
  • Is easy and safe to use. No primers, solvents or heating are required.
  • Is the latest viscous elastic coating, with unique features.
  • 100% impervious to moisture and gases.Works as a corrosion / vapor barrier, water stop and encapsulation agent
  • Is a long-term solution for Soil-to-air transitions, Field joints, High salt and water content,In-ditch applications,Pipeline Renovation Repair
  • Excellent Self healing
  • No curing time,Permanent wetting characteristics.
  • 100% inert formulation : no reactive groups and no deterioration in the course of time.
  • 30 years product warranty.



Test method



Visual estimation

Green or blue


ISO 9001



DIN 53479


Application temperature


-40 to +70

Water absorption

ASTM D 570

less-than 0.1%

Tensile strength

DIN 30672


peel strength to steel (23)

 ISO 21809-3

Tested on steel (Sa2 1/2,St2 and St3)and plant coatings PP,PE,FBE .Results on all sustrates:


-PP,PE,FBE min 3N/mm.

-steel  min 20N/mm

@+23℃  min0.5N/mm

@+70℃  min 0.05N/mm

Cathodic disbondment resistance

 EN 12068

less-than 6mm

Dielectric strength



Drip resistance


Tested 72 h @130 ,No dripping of compound


Lap shear strength


Tested @+23°C and +50°C  on steel(Sa 2½, St 2 and St 3). Results on all substrates:

@-45℃ min 3 N/mm2

@23℃ min 0.3 N/mm2

@70℃ min 0.03 N/mm2

Cohesive failure

≥ 99% coverage of surface

≥ 0.6 mm residual thickness

Water Vapor Transmission Rate




Ordering Information   

Wide: 50mm,75mm,100mm,150mm

Length: 5m,10m,20m


Packaging & Shipping



 Maybe you are interested in the below items:



               Polyken pipe wrap inner tape                         Polyken pipe wrap outer tape


               Aluminum Foil Butyl Tape                                 PP Woven Pipe Wrap Tape






1. CNPC Test Report

2. DVGW Test Report

3. SGS Test Report

4. ISO 9001 / ISO 14001 Certification

Payment :T/T ,  L/C at sight, Alipay,  Western Union  
Production Lead Time :usually 20days/40HQ after deposit payment
usually 10-15days/20'FCL after deposit payment
Shipping Methods :Ocean Freight / Air Flight/International Express
OEM :Accept, we can print your own brand
MOQ :it is depends items, usually 300 rolls to 500 rolls
Shipping Port :Qingdao, OR Other ports,Mainland China.
Certificate :ISO9001, ISO14001,SGS, CNPC, DVGW

1. How about sample and charge?

    Usually sample is free,customer take care of express charge.

    But it should paid if asking for large quantity samples.

2. How can I visit your factory?

    You are warmly welcome to our factory, just contact us in advance.

    Our factory detail address :

    No 3 Jiamei Road , Jia'xiang Industry Park, Jining City ,Shandong Province ,China

    Located in Jining City, half an hour away from Jining Qufu Airport.

    Two hours away from the Qufu East Railway Station.

Company Information

  • Jining Qiangke have more than 5 years experience in supplying anticorrosion materials.
  • Our company employs more than 40workers, plant area 27000 m2 with two production lines.
  • Our annual production capability is more than 3300tons anticorrosion tapes 
  • Currently, Qiangke Guanfang tape is already exported to America, Germany,Italy,Russia,Egypt,Korea,Philippines, Malaysia,Turkey,Saudi Arabia and 10 other countries and regions. 
  • Annual export volume reaches 1.8 million dollars. 
  • We have attained ISO9001 and ISO14001 certification, also we get long-term cooperation with CNPC.
  • Our own brand Guanfang tape have passed the SGS, DVGW and CNPC test.

Facebook  Link :https://www.facebook.com/qiangketape


Contract Us

  Contact me and we are glad to offer you our best price !!

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