Two-component epoxy PRIMER of E TYPE

Two-component epoxy PRIMER of E TYPE

Liquid epoxy coating Canusa of Е type represents a two-component epoxy resin with forced curing used as primer in the composition of three-layer systems Canusa, such as GTS-PE 3L. Application of approved Canusa method for forced curing allows the specialist performing "preliminary control" of the joint before sleeve mounting. This procedure provides compete protection of pipeline, which will not be shifted and subjected to corrosion contaminations effect at sleeve levelling and setting during its mounting.

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Item standard properties

Technical

characteristics

of protective

coating of E type

Components ratio in the mixture

4:1 (by volume)

6.1:1 (by weight)

Percentage of non-volatile part

100% (by volume)

100% (by weight)

Specific density

1.57 ± 0.05 (base)

1.04 ± 0.05 (curer)

Viscosity

Base: 14,000 +/- 1,400 сП

(at 60°C, spindle No.7, 10 rpm)

Curer: 1,800 +/- 160 сП

(at 23°C, spindle No.2, 20 rpm)

Standard coating thickness

4-6 mils (100-150 microns)

Number of layers

1

Pot life

20 minutes at 23°C (73°F). Pot life is reduced with the temperature increase

Shelf life

3 years at 23°C, avoid direct sunlight. Shelf life is reduced with the temperature increase

Minimum temperature for curing

10°C (50°F)

Calculation of required number of liquid epoxy

coating of E type

Area of steel surface

without coating (sq. m)

Circumference (m) * Length of non-insulated

pipe end (mm) / 1000

Required volume of liquid epoxy coating of E type (litre)

Area of steel surface * Thickness (micron) / 1000000 * [(1 + loss factor 1/100) * 1000]

Total required  number

of sets

Required volume of liquid epoxy coating of E type / 0.170

Standard number of sets of liquid epoxy coating of E type (170 ml) depending upon pipe dimension.

4.5’’ - 22’’

1

24’’ - 42’’

2

44’’ - 60’’

3

1 Standard loss factor: 25-50%

2 For non-insulated pipe ends 300 mm with average thickness 6 mils and standard loss factor