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XUNDA T 800 VISCO-ELASTIC TAPE ISO 21809-3 STANDARD MOSTLY USED FOR PIPE JOINTS AND FLANGES
Latest company news about XUNDA T 800 VISCO-ELASTIC TAPE ISO 21809-3 STANDARD MOSTLY USED FOR PIPE JOINTS AND FLANGES

XUNDA T800 Visco-elastic Coating System

 

System Description

The visco-elastic coating system is designed for corrosion protection of onshore and offshore pipeline、flanges、valves etc, it consists of visco-elastic tape, visco-elastic paste and outerwrap.

 

Visco-Elastic Tape

The visco-elastic tape is a non cure, cold applied corrosion prevention wrap adhering extremely well to the plant coating PE, PP, FBE and irregular equipment such as flanges, valves, pipe fittings, rings, manhole etc

Visco-elastic tape can cold flow into all irregularities of the substrate and self healing of the complete coating system.

 

Visco-Elastic Paste

Visco-elastic paste is a cold flow ,self healing elastic paste for corrosion preventing and adhering extremely well to steel and factory applied pipeline coatings like PE,PP and FBE.

Visco-elastic paste can flow into all irregularities of the substrate at operating temperature. The compound does not cure and resistance to water and has a very low gas and water vapour permeability.

 

Outer tape

Visco-elastic coating system requires mechanical protective layer like Xunda Outer tape .This improve impact and indentation resistance of the coating system and supports the self healing ability of small damages like dent and cuts.

 

Product Features

  • Primer free.
  • Constant film thickness
  • Conforms to irregular shapes
  • Inert to ageing and weathering
  • It can be self repair for light defects
  • Resistance to low temperatures without getting brittle
  • 100% coverage rate, it is completely waterproof and anti corrosion.
  • Environmentally friendly ,no health and safety hazard to humans
  • Resistant to many chemicals like water ,salts ,acids .alkalis ,polar solvents etc

 

Product Properties –Visco-Elastic Tape T 800

Item Test method Performance
Color   Green、Blue
Thickness ISO 21809-3 ≥1.80mm
Glass Transition Temp ISO 21809-3 -67 ℃
Melt Point ISO 21809-3 No melt point present

Peel Strength to steel(23℃)

Coverage Rate

ISO 21809-3

0.40N/mm

>95%

Peel strength to coating(23℃)

Coverage Rate

ISO 21809-3

0.49N /mm

>95%

Shear Strength to Steel(23℃)

Coverage Rate

ISO 21809-3

>0.02MPa

>95%

Peel strength to steel (50℃) after thermal ageing resistanct and hot water immersion test for 100 days

Coverage Rate

ISO 21809-3

0.35N /mm

 

 

>95%

Peel strength to coating(50℃) after thermal ageing resistanct and hot water immersion test for 100 days

Coverage Rate

ISO 21809-3

0.35N /mm

 

 

>95%

Shear Strength to Steel(50℃)after thermal ageing resistanct and hot water immersion test for 100 days

Coverage Rate

ISO 21809-3

≥0.02MPa

 

 

>95%

Adhesion test to steel and coating before and after thermal ageing resistance and hot water immersion test both for 100 days ISO 21809-3

No adhesion failure(23℃)

No adhesion failure(50℃)

Specific Insulation Resistance

Rs 100 at 23 ℃

Rs 100/Rs70 at 23 ℃

ISO 21809-3

 

≥108 Ω.㎡

≥0.8 Ω.㎡

Cathodic Disbandment ISO 21809-3 0 mm,no holiday self-healing
Drip Resistance @85 ℃ for 72 hours   No dripping
Heat aging (100d, 90℃)   Coverage Rate≥99%
Chemical Resistance(90d ,10% HCL)   No Change
Chemical Resistance (90d,10%NaOH)   No Change
Chemical Resistance (90D, 3%NaCL)   No Change
Operational Temperature Range   -45℃~85°C

 

We has supply our Visco-elastic tape to Ukraine, Kuwait, UAE, Greece ,Indonesia and so on

Welcome to contact Xunda, we will supply our best price to you

Pub Time : 2019-10-15 15:43:39 >> News list
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