Circular Light Diffuser Film

OptiGrafix™ Light Diffuser Films are one- or two-side diffuser film products designed to break up and distribute light evenly.

They can be used for a variety of different lighting applications like electronic displays and signs, LED-based lighting systems, fluorescent-based lighting systems, and printed signage.

Features

Features of our Circular Diffuser Film

  • Thin polymer film construction
  • Uniform surface properties (matte or gloss)
  • Available in a several grades
  • Flexible & bendable
  • Specific grades compatible with polarized light
  • Excellent dimensional stability
  • Commercially available
  • Economical

Diffuser Film Attributes

DFPMDFPMHTDFMMDFIMLBMTLBOM
Anti-StaticYesYesYesNoNoNo
Rugged PET BaseYesYesYesYesLB GradeLB Grade
Commercially AvailableYesYesYesYesYesYes
Roll StockYesYesYesYesYesYes
Sheet StockYesYesYesYesYesYes
Low BirefringenceNoNoNoNoYesNo
Max Width Custom60″ / 1525mm60″ / 1525mm60″ / 1525mm60″ / 1525mm
Max Width (Stock)42″ / 1067mm42″ / 1067mm42″ / 1067mm50″ / 1270mm50″ / 1270mm

Grades

Grades:DFPMDFPMHTDFMMDFIMLBMTLBOM
Finish1/Side Matte1/Side Matte2/Side Matte2/Side Matte1/Side Matte1/Side Matte
ColorClear / WhiteClear / WhiteClear / WhiteClear / WhiteClearWhite
Gloss (gu) S1/S24/529/504/440/4014/937/82
Transmission85%89%75%67%92%55%
Haze90%85%90%90%68%95%
Min. Stock Thickness.003" / 75um.003" / 75um.003" / 75um.002" / 50um.003" / 75um.005" / 125um
Max. Stock Thickness.007" / 175um.007" / 175um.007" / 175um.005" / 125um.004" / 100um.005" / 125um
Custom Thicknessup to.010" / 200umup to.010" / 200umup to.010" / 200umn/a.005" - .020".005" - .020"

Different Configurations of Circular Diffuser Film

DFPM Grade Diffusers are translucent, 1/side matte, 1/side luster film that can be used under a variety of lighting conditions. The luster surface provides a bit of specular back reflection. This grade is made from a rugged PET base film, and is available in a variety of thicknesses and sizes.

DFPMHT Grade Diffusers are a slightly higher-transmission version of DFPM Grade Diffuser Film, a is a 1/side matte, 1/side gloss film that can be used under a variety of lighting conditions. The gloss surface provides a specular back reflection. This grade is made from a rugged PET base film, and is available mostly in .003″ and .004″. Other thicknesses are custom.

DFMM Grade Diffusers are translucent, 2/side matte film that can be used under a variety of lighting conditions except polarized light. Two layers of matted finish provide maximum diffusion. Made from a rugged PET base film, DFMM is available in a variety of thicknesses and sizes.

DFIM Grade Diffusers are translucent, internal matte film that can be used under a variety of lighting conditions except polarized light. 2/side luster, internal matted finish provides maximum diffusion at an economical price point. This grade is made from a rugged PET base film, and is available in a variety of thicknesses and sizes.

LBMT Grade Light Diffuser Film is a 1/side matte, 1/side gloss clear film. Its low, uniform birefringent properties make it ideal for diffusing polarized light. This is a lighter diffusion product with maximum transmission – more aggressive than anti-glare film, but not as hazy as our other products. And it can also be thermoformed!

LBOM Grade Light Diffuser Film is a 1/side matte, 1/side gloss clear film. This ultra-bright white film can be printed with solvent and UV inkjet, as well as conventional printing methods, for use in back-lit signage. Its bright white opalescent quality really makes colors pop!  It is also a very aggressive diffuser. And it can be thermoformed!

Stock

Raw material stock:

Grades:DFPMDFPMHTDFMMDFIMLBMTLBOM
Min. Stock Thickness.003″ / 75um.003″ / 75um.003″ / 75um.002″ / 50um.003″ / 75um.005″ / 125um
Max. Stock Thickness.007″ / 175um.004″ / 100um.007″ / 175um.005″ / 125um.004″ / 100um.005″ / 125um
Custom Thickness.010″ / 200um.005″ / 125um.010″ / 200um.005″ – .020″
Finish1/Side Matte1/Side Matte2/Side Matte2/Side Matte1/Side Matte1/Side Matte
ColorClear / WhiteClear / WhiteClear / WhiteClear / WhiteClearWhite
Max Width Custom60″/1525mm60″/1525mm60″/1525mm60″/1525mm
Stock Roll Width36″, 42″/ 916, 1067mm36″, 42″/ 916, 1067mm36″, 42″/ 916, 1067mm50″/127052″/1270

Custom widths are available on a custom order basis – minimum quantities will apply.

Finished goods stock:

Sheets

Size:
8.5 x 11″
11 x 17″
12 x 18″
17 x 22″
18 x 24″
20 x 25″
20 x 50″
22 x 34″
24 x 36″
25 x 40″
30 x 40″
30 x 42″
DFPM
.003″/75um
.004″/100um
.005″/125um
.007″/175um
DFMM
.003″/75um
.004″/100um
.005″/125um
.007″/175um
LBMT.003″/750um
.005″/100um

Rolls

Grade

25″ x 12′
25″ x 25′
25″ x 50′
25″ x 100′
36″ x 10yds
36″ x 20yds
36″ x 50yds
42″ x 10yds
42″ x 20yds
42″ x 50yds
50″ x 12′
50″ x 25′
50″ x 50′
50″ x 100′
DFPM
.003″/75um
.004″/100um
.005″/125um
.007″/175um
DFMM
.003″/75um
.004″/100um
.005″/125um
.007″/175um
LBMT.003″/750um
.005″/100um

Not sure you’re seeing what you need?  Please start an inquiry today!

Specs


Typical Properties based on .003″ of DFPM, DFMM and LBMT, Other thicknesses can vary.

Film Type:DFPM-DFMMLBMT-LBOM
ValueValueUnitsTest Method
Physical Properties
Tensile Strength (MD)2800014400psiASTM D 882
Tensile Strength (TD)3400014400psiASTM D 882
Strength Elongation MD1500034.394625psiASTM D 882
Strength F-5 TD14000psiASTM D 882
Modulus MD710000360000psiASTM D 882
Modulus TD740000360000psiASTM D 882
Elongation MD1150.45%ASTM D 882
Elongation TD920.25%ASTM D 882
Electrical Properties
Dielectric Strength
AC, 20°C, .00092″700015000volts/milASTM D 149-64
Dielectric Constant
25°C, 1 kHz3.2n/aASTM D150-81
Dissipation Factor
25°C, 1 kHz0.005n/aASTM D150-65
Volume Resistivity 25°C1.0E+195.1E-13ohm-cmASTM D257-78
Corona Threshold425n/aV-ACASTM D2275-80
Thermal Properties
Melt Point200120°C
Service Temperature Range -70-150-70-110C
Dimensional Stability
at 105° MD0.61.15%Measured Shrinkage
at 105° TD0.91.15%Measured Shrinkage
at 150° MD1.8n/a%Measured Shrinkage
at 150° TD1.1n/a%Measured Shrinkage
Chemical Properties
Resistance by Class
AcidsGoodGood
BasesGoodFair
SolventsExcellentPoorPolar Solvents only
DetergentsExcellentGood
OilsGoodGood
Permiability
Water Vapor 0.122g/100 in2/24hr.ASTM E-96
Carbon Dioxide16n/ag/100 in2/24hr.ASTM D1434-58

For more specific questions regarding Grafix Drafting Film, please contact your sales representative today!

Important Notice:  Grafix makes no warranties, express or implied, including but not limited to any implied warranty of merchantability of fitness for a particular purpose.  The user is responsible for determining whether the Grafix product is fit for a particular purpose and suitable for the user’s method of application.  Please remember that many factors can affect the use and performance of a Grafix Plastics film product in a particular application.  Given the variety of factors that can affect the use and performance of a Grafix product, some of which are uniquely within the user’s knowledge and control, it is essential that the user evaluate the Grafix product to determine whether it is fit for a particular purpose and suitable for the user’s method of application.

Safety

  • DEHP, DBP and BBP free. Contact us for more details
  • RoHS Compliant. Contact us for more details


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Visit our OptiGrafix™ products page for more on the OptiGrafix family of optical-quality polymer film products and film-related production services.