Typical Physical Properties for .090'' Contractor Grade

Property

Test Method

Unit

Glasteel Class C General Purpose Result

Glasteel Class A Fire Retardant Result

Flexural Strength

ASTM D-790

PSI

17,000

10,000

Flexural Modulus

ASTM D-790

PSI

6.0 X 10⁵

3.1 X 10⁵

Tensile Strength

ASTM D-638

PSI

8,000

7,000

Tensile Modulus

ASTM D-638

PSI

9.43 X 10⁵

3.1 X 10⁵

% Elongation

ASTM D-638

%

1.20

1.80

Water absorption 21 C @ 72 hrs

ASTM D-570

%

0.17

0.72

Izod Impact Strength

ASTM D-256

ft. -lbs. /in.

7.0

7.16

Coef. of Linear thermal Expansion

ASTM D-696

in./in. /F

2.22 X 10^-5

2.39 X 10^-5

Barcol Hardness

ASTM D-2583

Avg.

30

35

Specific Gravity

ASTM D-792

N/A

1.6138

1.5743

Abrasion Resistance

TABER

% WT Loss

1.6138

1.5743

Flash Ignition Temp.

ASTM 1929

C

430

400

Self Ignition Temp.

ASTM 1929

C

450

430

Flame Spread.

ASTM E-84

N/A

less equal 200

less equal 25

Smoke Generation

ASTM E-84

N/A

less 450

less 450