Lexan ® MR10, 9034, Grey, and Bronze Polycarbonate Sheet Information

Lexan ® Information

Lexan ® Code Compliance

The Lexan ® Polycarbonate MR10 and 9034 sheets meet the following Codes.

Code	Listing/Standard sheet
Model Bldg Codes BOCA 92-15 ICBO3286 SBCCI 9418⁽¹⁾ Dade County 94-0203.02	Approved Plastic Material for light transmitting applications Minimum thickness .080"
Underwriters Laboratories	Burglary-resisting Glazing Standard 972 Minimum thickness .080"
CPSC:16 CFR 1201, I, II ANSI Z97.1	Meets Safety for Architectural Glazing materials categories I & II
Horizontal Burn Rate	CC 1/ASTM D635

Code Compliance Comparison (Lexan ® MR10 Sheet)

	Test Method	Uncoated Polycarbonate (?% Haze)	Lexan MR10 Sheet (?% Haze)	Glass (?% Haze)
Taber Abrasion 100 Cycles	ASTM D1044 Z26.1	35.0	3.0 – 4.5	0.5
Falling Silica Carbide 1600 grams	Z26.1	30.0	5.0 – 8.0	15.0 – 20.0
GE Brush Abrasion Tester	One hour harsh conditions*	30.0	3.0	1.0

* Abrasive water mixture of sandy clay screened through 100 mesh screen and continuously applied to brush water.

Lexan ® U-value Comparison

Summer Heat Gain (BTU/hr.-sq.-°F)

Thickness

Lexan sheet

Glass

% Advantage over Glass

.080"

.093"

.118"

.177"

.236"

.375"

.500"

Dual Glazed*

1.00

.97

.93

.90

.83

.77

.45

1.04

1.03

.49

Winter Heat Loss (BTU/hr.-sq.-°F)

Thickness

Lexan sheet

Glass

% Advantage over Glass

.080"

.093"

.118"

.177"

.236"

.375"

.500"

Dual Glazed*

1.10

1.08

1.05

1.01

.96

.88

.82

.43

1.16

1.15

1.14

1.11

1.09

.49

* two ¼" lites with ½" air space

Lexan ® Sound Transmission

Thickness

Lexan Sheet STC rating

Float Glass STC rating

.118"

.177"

.236"

.375"

.500"

1.0"

1.25"

Lexan ® Light and Energy Transmittance*

Clear Lexan % Values

Thickness

Visible Light

Solar Energy

.118"

.177"

.236"

.375"

.500"

Grey 713/Bronze5109 % values

Thickness

Visible Light

Solar Energy

.118"

.177"

.236"

.375"

.500"

Weight of Lexan ® Sheet

Thickness

Lexan Sheet

(lbs/ft²)

Glass

(lbs/ft²)

.118"

.177"

.236"

.375"

.500"

.73

1.10

1.46

2.34

3.12

1.60

2.40

3.20

4.80

6.40

Lexan ® Cold bending Radii

Sheet Thickness (in.)

Recommended Minimum

Bend Radius (in.)

.118"

.177"

.236"

.375"

.500"

11.8"

17.7"

23.6"

37.5"

50.0"

Lexan ® Shading Coefficient

1/4" Thick Lexan

Singled Glazed - clear	1.02
Single Glazed – grey/bronze	.79
Dual Glazed – clear/bronze*	.67
Tempered Glass Dual Glazed – clear	.90

* Tinted Lexan sheet, exterior lite, ¼" air space, clear Lexan sheet interior lite.

Lexan ® Coefficient of Thermal Expansion

Building Material

Inches/inch/°F

Glass

Aluminum

Lexan Sheet

Acrylic

Steel

Copper

.0000050

.0000129

.0000375

.0000410

.0000063

.0000090

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Title: Lexan ® MR10, 9034, Grey, and Bronze Polycarbonate Sheet Information
Description: Code Compliance, Abrasion Resistance Comparison, U-value, Sound Transmission, Light and Energy Transmittance, Weight, Cold Bending Radii, Shading Coefficient, and Coefficient of Thermal Expansion
Published: 3/31/2009
Last Edited: 9/18/2013

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