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Lexan™ MR10, 9034, Grey, and Bronze Polycarbonate Sheet 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)

ThicknessLexan™ sheetGlass% Advantage over Glass
0.080"1.001.044
0.093"1.001.044
0.118"0.971.047
0.177"0.931.0411
0.236"0.901.0414
0.375"0.831.0319
0.500"0.771.0325
Dual Glazed*0.450.4920

Winter Heat Loss (BTU/hr.-sq.-°F)

ThicknessLexan™ sheetGlass% Advantage over Glass
0.080"1.101.165
0.093"1.081.167
0.118"1.051.1610
0.177"1.011.1512
0.236"0.961.1416
0.375"0.881.1121
0.500"0.821.0925
Dual Glazed*0.430.4912

* two ¼" lites with ½" air space

Lexan™ Sound Transmission

ThicknessLexan™ Sheet STC ratingFloat Glass STC rating
0.118"2523
0.177"29-
0.236"3127
0.375"34-
0.500"3432
1.000"39-
1.250"42-

Lexan™ Light and Energy Transmittance*

Clear Lexan™ % Values

ThicknessVisible LightSolar Energy
0.118"8689
0.177"8588
0.236"8386
0.375"7984
0.500"7581

Grey 713/Bronze 5109 % Values

ThicknessVisible LightSolar Energy
0.118"5060
0.177"5060
0.236"5060
0.375"5060
0.500"5060

Weight of Lexan™ Sheet

ThicknessLexan™ Sheet (lbs./ft2)Glass (lbs./ft2)
0.118"0.731.60
0.177"1.102.40
0.236"1.463.20
0.375"2.344.80
0.500"3.126.40

Lexan™ Cold bending Radii

ThicknessRecommended Minimum Bend Radius
0.118"11.8"
0.177"17.7"
0.236"23.6"
0.375"37.5"
0.500"50.0"

Lexan™ Shading Coefficient

1/4" Thick Lexan™

Singled Glazed - clear1.02
Single Glazed – grey/bronze0.79
Dual Glazed – clear/bronze*0.67
Tempered Glass Dual Glazed – clear0.90

* Tinted Lexan sheet, exterior lite, 1/4" air space, clear Lexan sheet interior lite.

Lexan ® Coefficient of Thermal Expansion

Building MaterialInches/inch/°F
Glass0.0000050
Aluminum0.0000129
Lexan Sheet0.0000375
Acrylic0.0000410
Steel0.0000063
Copper0.0000090
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: 1/5/2023
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The information contained in this article is for general information purposes only. The information is provided by United States Plastic Corp. and while we endeavor to keep the information up to date and correct, we make no representations or warranties of any kind, express or implied, about the completeness, accuracy, reliability, suitability or availability with respect to the website or the information, products, services, or related graphics contained on the website for any purpose. Any reliance you place on such information is therefore strictly at your own risk.

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