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TECHNICAL DATA

ETERSET 2660PT-2

ISO PHTHALIC POLYESTER

RESIN ETERNAL CHEMICAL CO....,,,, LTD.... 2009/08/13

Chemical Resistant Isophthalic Polyester Resin

Description :

ETERSET 2660 PT-2 a low viscosity, thixotropic,

prepromoted chemical resistant isophthalic polyester resin.

Performance :

Exhibits outstanding chemical resistance.

Has high strength.

Has high heat-distortion temperature.

Gives good wet-out.

Offers rapid cure.

Suggested Uses :

Applications where chemical resistance is required.

SPECIFICATIONS

Appearance Purple red turbid

Styrene monomer content, % 45-48

Viscosity ( Brookfield spindle #2, 60rpm, at 25), cps 380-450

Thixotropic index ( Brookfield spindle #2, 6/60rpm, at 25) 2.2-3.0

Acid value 6-14

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TYPICAL PERFORMANCE DATA

(for guidance only)

Typical Curing Characteristics:

Room temperature cure at 25, 1% MEKPO (55%)

Gel time, mins. 30

Total time to peak exotherm, mins. 46

Peak exotherm temperature, 170

Typical Physical Properties of Cured Castings :

Unfilled casting, ETERSET 2660 PT-2

Tensile strength, Kg/cm2 600

Flexural strength, Kg/cm2 1300

Flexural modulus, Kg/cm2 x 104 3.5Heat distortion temperature, 120

Elongation, % 1.6

Barcol Hardness 47

Typical Properties of Glass Fiber Reinforced Laminate:

Glass fiber EM-450 3 Ply, fiber content 30%

Tensile strength, Kg/cm2 1600

Flexural strength, Kg/cm2 2050

Flexural modulus, Kg/cm2 x 104

8.5

Typical Chemical Resistance:

The test specimen (unfilled casting, after being heated in air at 50for 15 hrs.)

is immersed in the following chemical, for 90 days at 50. Then determine

its flexural strength retention, the result is given as fingure 1.

chemicals distilled water

10% Na2CO

3Solution

10% NaOH Solution

20% H2SO

4Solution

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0

50

100

0 30 60 90

distilled water

0

50

100

0 30 60 90

10% Na2CO3

0

50

100

0 30 60 90

10% NaOH

0

50

100

0 30 60 90

20% H 2 SO 4

Immersion time, days

The information contained herein is correct to the best of our knowledge. The recommendations or suggestions contained in this bulletin are made

without guarantee or representation as to results. We suggest that you evaluate these recommendations and suggestions in your own laboratory prior to

use. Our responsibility for claims arising from breach of warranty. negligence. or otherwise is limited to the purchase price of the material.