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Specifications and Technical Information

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This system starts with high-density, virgin EPS Foam core. Then the styrothane hardcoat and primer are applied and finished with a synthetic texture and integral color.

This multi-layered composite system comes together to give your structure unparalled beauty.

Styrothane Hardcoat - 5321, 5321FR Fast Cure Aromatic Urethane

Product Description - STYROTHANE 5321, 5321FR are rapid curing, solventless aromatic urethane coatings. They are "hardcoats" designed to provide high impact damage resistance for Expanded Polystyrene (EPS), Styrofoam and PUF. The coatings are sprayable and features a one-to-one mix ratio. Their zero volatile organic content (V.O.C) meets all emission level requirements.

Properties

Test Method

Results

5321-

5321FR-

Tensile Strength

ASTM D412 PSI-(NPa)

2700±250
(18.49±1.71mpa)

3800±300
(26.03±2.05mpa)

Elongation

ASTM D412, %

30±5

10±5

Hardness

ASTM D412, %
Shore D

71±2

69±2

Flexural Modulus

ASTM D790

60,000±5000

82,000±5000

Water Absorbtion

ASTM D471
3 Days @ 75°F %

60,000±5000

82,000±5000

Weight (#/gal)

Component A

ASTM D1475

9.8

Component B

ASTM D1475

8.8(1054 g/l)

9.3(1114 g/l)

Viscosity (cps)

Component A

Brookfield

900

Component B

LV4/60 RPM

700

Density

lbs./ft.3

65±5

67±5

(kg/m3)

(1040±80)

(1072±80)

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This system starts with a nominal one pound polystyrene core. And then mesh & a synthetic basecoat are applied with options for several different textured finishes.

Expanded Polysytrene Technical Information

Property

Units

ASTM Test

Density

PCF

D1622

.75

1.0

1.25

1.5

2.0

Thermal Conductivity

(K-Value) @40 F

BTU/hr

C518

.28

.24

.235

.22

.21

(K-Value) @75 F

(sq ft)(ft/in)

.26

.255

.24

.23

Thermal Resistance

(R-Value) @40 F

@ 1"

3.6

4.17

4.25

4.55

4.76

(R-Value) @75 F

thickness

3.3

3.85

3.92

4.17

4.35

Strength Properties

Compressive 10%
deformation

@ 1"
thickness

D1621

5-9

10-14

13-18

15-21

25-33

Flexural

C203

10-18

25-30

32-38

40-50

56-75

Tensile

D1623

14-18

16-20

17-21

18-22

23-27

Shear

D732

11-13

18-22

23-25

26-32

33-37

Shear Modulus

190-230

280-320

370-410

460-500

600-640

Modulus of Elasticity

110-150

Moisture Resistance

WVT

Perm. In.

C355

1.3-3.9

1.2-3

1.1-2.8

.9-2.5

.6-1.5

Absorbtion (vol)

C272

<4.0

less than

Capillarity

none

Coefficient of
Thermal Expansion

In. / (in.)(F)

D696

.000035

Maximum Service Temperature

Long Term

167

Intermittent

180

Oxygen Index

D2863

30.4

Dimensional Stability

% Change

D2126
Prod C&E

max 2.0

This system starts with high-density, virgin EPS Foam core. Then the gypsum coating is gently applied to create a smooth finish.

Important Note: All information and data provided in this brochure is believed to be reliable and is presented in good faith. It does not, however, form a part of the conditions and terms of the sale of AFS products. The application, characteristics, properties and performance of materials and products herein described shall not be deemed to constitute a warranty expressed or implied, that said products or materials are fit for a particular purpose. AFS assumes no responsibility for the performance, or the effects of the performance, of materials and products described herein.

WARNING, FLAMMABLE: Keep away from fire, sparks and heated surfaces. Expanded Polystyrene (EPS) foam like most plastics, is flammable. Do not expose EPS to open flames or other ignition, direct or indirect high temperature, burning operations, welding, lit cigarettes, space heaters or naked light bulbs. When burning, EPS has the potential to consume oxygen. ^ back to top