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Product Details
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PMMA light diffuser sheet Specification

Model

Thickness

Standard size

Tranmittance

Recommend Application & Model Features

GT-2040

1.2-3.0mm

1220*2440mm

60%/80%/85%

* High light transmittance
* Edge-lit use
* panel light

GT-2020

1220*1220mm

GT-1212

1200*1200mm

Customized Availability

WMax: 1220mm
LMax: No Limit

 

PMMA acrylic light diffuser sheet

   

Specification
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PMMA light diffuser Sheet text report

Item

Content

Unit

Results

Method

Thermal Property

Vicat softening temperature

112
104

ASTMD-1525, Unannealed, ℃
50℃/hr, 1KG
50℃/hr/, 5KG

HDT(heat distortion temperature)

92

ASTMD-648
18.5kgf/cm2

Melt Index

G/10 min

1.6

ASTMD-1238, G/10 min, condition 1

Water Obsorption

%

0.3

ASTMD-570, Wt gain on 24hrs water immersion

Shrnkage

%

0.2-0.6

ASTMD-955
Could mold to cold piece, 48hrs

Flammability

HB

UL 94

Mechanical Property

Tensile Strength

kgf/cm2(MPa)

1470
(108)

ASTMD-790, Spandepthratio
16:1

Tensile Elongation

kgf/cm2(MPa)

720
(74)

ASTMD-638, 0.1cm/cm/min
initial strain rate

Elongation

%

20

ASTMD-638

Rockwell Hardness

M-scale

96

ASTMD-785

Flexural Strength

kgf/cm2(MPa)

35500

ASTMD-790

IZOD compacting strength

kgf-cm/cm of Notch(J/M)

1.5(14)
14(1.4)

ASTMD-256,
Izod Milled Notch

Impact Value

kg-cm(J)

Falling dart
(15.2cm*15.2cm*0.3cm)
1.4kg dart w/0.64 radius

Physical Property

Density

g/cm3

1.2

ASTMD-792

X Croma

+/-0.003

colorimeter(Color Eye 7000A)

Y Croma

+/-0.003

colorimeter(Color Eye 7000A)

Transmittance

%

70±3

ASTMD-1003-Total light

Haze

%

92

colorimeter(Color Eye 7000A)

reflection coefficient

mcd/lx/m2

1.49

ASTMD-542

  

FAQ
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Q: Do you just produce PMMA diffuser? How about PS and PC diffusion plate?

A: We have over 13 extrusion lines for producing light plastic sheets, besides the PMMA diffuser sheets, we also provide PS diffuser sheets and PC diffuser sheets.

 

Q: Do you just offer big diffuser sheet, could you help us to cut to small size and different shape?

A: We not only offer the big size of light diffuser sheet, we also have our deep processing workshop to proceed products, cut to different size and shape, UV print on the diffuser sheet, thermoforming the sheet to be different shape like blister light box or ceiling light lamp cover.

 

Q: How many days for samples delivery? Is samples free of charge?

A: The samples of existing specification products which has stock is 3-5 days, and the sample is free of cost; The customized samples need 7-10 days, the customized samplescost is negotiable.

 

Q: I dont know which transmittance is suit for my product, how to choose the right one?

A: We have professional test equipments, you could send us your product and we will test our existing product, find the suitable one for you, then we will send you the diffuser for confirmation; If the existing one not match, we could customize the diffuser plate for you and send the samples to you for your confirmation.

 

Q: Do you use recycle Or new raw material?

A: We never use recycle materials, we only use 100% raw materials.

 

Q: Could you accept LC for payment?

A: We could accept LC payment, we are very familiar with LC payment process, many big buyer pay us through LC.

 

Q: Have your products passed through the laboratory test? Have gotten the qualified certificate or not?

A: We are an ISO9001 company, we have our own Lab for testing, besides, al ofl our products have been tested by SGS international laboratory and gotten the qualified certificate.

GET IN TOUCH WITH US

If you have more questions, write to us.

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