Nanjing Powder Coating Co.,Ltd.

Nanjing Powder Coating Co.,Ltd.

Dual layer fusion bonded epoxy powder coating

Product Item: 00033
Category: FBE
Views: 1327
FBE
epoxy
electrostatic
anti-corrosion

  • PRODUCT DETAIL

The thermosetting dual layer fusion bonded eopxy powder coating system is engineered to protect pipelines from corrosion in the most demanding operating environments. This products has the properties of impact, scratch and high temperature resistance and maintains the compatibility of the coating and cathodic protection, while no cathodic protection barrier. The total coating thickness is between 620microns and 1000 microns.  This product has been certified to meet the requirements of CSA Z245.20-14, ISO 21809-1 and SY/T0315-2013 standard


Powder Property

Test Standard

Color

Drak Green, Dark gray, black

Moisture Content

<0.5%

Moisture balance method

Particle Size

Larger than 250 µm <0.2%

Larger than 150 µm <3.0%

Vaccum sieve method

Density

1.43 ± 0.05 g/ml

Liquid displacement method

Thermal Properties

Tg1 61ºC Tg2 108ºC


Properties

Test

Performance

Test Standard

Dry Film Thickness

Recommended film thickness:

· In FBE systems: 300-400 microns (12-16 mils)

· As a primer in 3-layer PE or PP systems: 150-300 microns (6-12 mils)

Cathodic Disbondment

168 hours at 24ºC

<4 mm radius Average

ASTM G8-96

Relative Bond Strength Concrete

Beam-end test

>80% of mean strength for uncoated bar

ASTM A944

Salt Spray Resistance

800 hours at 35ºC

2-3mm

ASTM 117

Flexibility

Fixed mandrel bend, -30ºC

>3º per pipe diameter length

ASTM A775 and ISO BS 14654:1999

Impact Resistance

16 mm ball, 1.5J, -30ºC

No Holidays

ASTM G14-72

Hardness

Pencil Hardness

7 H

ASTM D1474-68

Hot Water Resistance

7 days, 50ºC

28 days, 50ºC

1.00mm disbondment

2.22mm disbondment

British Gas GBE/CW6

Yield Strength

Tensile Test

570 kg/m2 (8000 psi)

ASTM D2370

Elongation

Tensile Test

8.6% at Break

ASTM D2370

Dielectric Strength

Breakdown voltage

Typical Value >1000V/mil

ASTM D149

Volume Resistivity

Through film, 500 V

>1.2 x 1015 ohm*cm

ASTM D257

Chemical Resistance Test

90 days @ 23ºC: No blistering, loss of adhesion, cracks, delaminating or bleaching: slight softening



Gel Time

5.0 seconds at 240ºC (464ºF)

ISO 8130-6 annex A.2

Cure Time

<45 seconds  at 240ºC (464ºF)

ISO 8130-6 annex A.3

Chemical Type

Epoxy

Specific Gravity

1.43 ± 0.05

Theoretical Coverage

0.6993 m2/kg per mm (134.6 ft2/lb per mil)

Operating Temperature Range

-73ºC (-100ºF) to 110ºC (230ºF)

Quench Time

Depend substrates thickness, line speed and temperature.


Specifications

Application

Recommended application temperature range for FBE systems is 232-253ºC (450-488ºF). Recommended application temperature range for 3 layer PE/PP systems is 205-240ºC (400-464ºF). Allow to cure by residual heat before quench.

Surface Preparation

Remove all surface contamination before abrasive blasting. Blast clean using steel grit to SSPC SP-10-near-white metal with a minimum surface profile of 2 mils (51 microns).

Shelf Life

12 Months if stored below 27ºC (80ºF) and 65% relative humidity.

Storage and Handling

Store below 27ºC (80ºF) and 65% relative humidity. Protect from temperatures excursions above 33ºC (91ºF). If stored below the application room temperature, allow to warm to room temperature before opening. Refer to the material safety data sheet for more information.





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