Method

Description//Sample ID

Panel 1

Panel 2

Panel 3

Thickness of Panel (Inch)

0.279"

0.259"

0.175"

Color of Panel (pigment %)

Bone 1.2%

Eggshell 0.7%

White (8.0%)

ASTM

D-790-98

Flexural Strength, psi

                7,692

7,331

6,608

D-790-98

Flexural Modulus, psi x10 ^6

1.1854

1.2004

0.9572

D-638-98

Tensile Strength, psi

                4,740

4,642

4,329

D-638-98

Tensile Modulus, psi x10 ^6

1.2279

1.271

1.1629

D-638-98

Elongation, %

0.49

0.53

0.46

D-648-98C

Heat Distortion Temperature

79 ºC (174ºF)

79 ºC (174ºF)

76 ºC (169ºF)

D-2583-95

Hardness, Barcol 934-1

60-62

60-62

58-61

D-729-98

Specific Gravity

1.691

1.7024

1.6935

D-570-98

Water absorption, %

0.03

0.04

0.07

D-696-98

Thermal Expansion Coef. IN/IN ºF

                     *

                   *

                         *

NEMA

LD3.03

Gloss (60' Gardner) - middle

47.6

62

55.9

ANSI

124.6.4.1-90

Impact, 1/2 lb.ball 24", 4 drops

N/A

N/A

N/A

124.6.5.2-90

Stain Resistance

Un-

Coverd

Un-

Coverd

Un-

Coverd

Black crayon

2

2

2

2

2

2

Black liquid shoe polish

3

3

3

3

2

2

Blue washable in<

3

3

3

3

2

2

Gent an Violet solution

4

4

4+

4+

5

5

Beet Juice

1

1

1

1

1

1

Grape Juice

1

1

1

1

1

2

Lipstick (contracting color)

2

2

2

2

3

3

Hair dye (contracting color)

4

4

4

4

3

3

Mercurochrome solution, 2%

4

4

4

4

5

5

Wet tea bag

1

1

1

1

3

4

Sub-Total score

25

25

21

21

27

29

TOTAL SCORE

50

42

56

CRSTP

CRSTP 92

Glass Transitlon, Tg, ºC

110.7ºC (231ºF)

106.5ºC (224ºF)

104.7ºC (220ºF)

CRSTP 108

Residue styrene analysis, %

0.13

0.22

0.91