POLIBAND pipe protection systems

Pipe Coatings > POLIBAND pipe protection systems

POLIBAND pipe protection systems

Self-adhesive anticorrosive and mechanical protection mixed tapes type PEHM 630, PEHM 750

Recommendations: PEHM tapes are used for coating buried or immersed metal pipes, for on-site coating pipes welding areas or for repairing pipes pre-coated with PE, PP or PUR.

The POLIBAND system made with this type of strip is designed for a maximum continuous operating temperature of 50° C.

Performance:

  • very good corrosion and dielectric properties (volume resistance: min 5×1016)
  • very good compliance with any unevenness of coating surfaces
  • excellent impact resistance
  • compatibility with polyethylene, polypropylene, epoxy and polyurethane based insulation systems
  • very good resistance to petroleum products
  • ensures good maintenance of the integrity of the insulation system in transport, handling and storage of pre-coated pipes.

Tape performance PEHM 630; 750

Characteristic

UM

Test method

Value

Polyethylene film thickness

mm

 

>0.49

Oxidation time

Min.

ASTM D 3895

> 50

Stress resistance

h

ASTM D 1693

> 2000

Microbiological resistance

–

DIN EN 12225

very good

Water absorption after 7 days

%

DIN ISO 175

< 0,2

Dimensional stability

%

DIN 53377

+/- 2

Breaking strength

MPa

DIN EN ISO 527

> 18

Elongation at break

%

ASTM D 638

> 500

Tear strength

N/mm

DIN 53515
ASTM D 1004

> 60

Volume resistivity

Ωcm

SR HD 429 S1 CEI 60093:2002

>5×1016

Dielectric strength

KV/mm

SR EN CEI 60243-1:2001

>25

Characteristics

Characteristic

UM

Grade ( o C)

Test method

Value     PEHM 630

Value   PEHM 750

Value     PEHM 1500

Adhesion Tape/Tape

N/mm

23

SR EN ISO 12068

>1,2

>1,4

>1,4

50

SR EN ISO 12068

>0.4

>0.4

>0.4

Adhesion Tape/Metal

N/mm

23

SR EN ISO 12068

>1,5

>1,8

>2,0

50

SR EN ISO 12068

>0.4

>0.4

>0.4

Characteristic

UM

Test method

Thickness (mm)

Value

Impact resistance

J

SR EN ISO 12068

1.26

>6

2.5

>15

1.5

>8

3

>15


PRIMER 2002 anti-corrosion primer

PRIMER 2002 is a solution of synthetic elastomers, adhesion and sticky resins, inorganic salts, corrosion inhibitor and hydrocarbon solvents.

PRIMER 2002 is designed for priming metal surfaces in general and specifically for priming metal pipelines for transporting natural gas, oil products and water in new coating systems, when repairing and remediation of degraded insulation systems.

Characteristics
Characteristic Value
Appearance Viscous, homogeneous solution
Color Dark yellow - brown
Dry matter content 43 ±3 %
Viscosity Ford cup Ø 8 mm 45±5 %
Flash point Max. 20 o C
Application instructions
  • Surface preparation for PRIMER 2002 application is done by sandblasting, brushing, air blowing or degreasing in order to remove all impurities (rust, metal powders, dust, etc.).
  • PRIMER 2002 must be thoroughly mixed before application.
  • PRIMER 2002 should only be applied on clean and dry surfaces using a brush or trowel.
  • Drying time is approximately 30 minutes, depending on the atmospheric conditions and nature of the substrate.

    • Packaging
    PRIMER 2002 is supplied in sealed metal containers of 20 l capacity.

    Storage
    Storage shall be in a specially designed and marked area.
    The specific storage rules for flammable products must be strictly observed.

    Transport
    The specific transport rules for flammable substances must be strictly observed.
    Transport shall be in clean and covered vehicles.

    Storage period
    In original packaging 12 months from the date of manufacture.

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