Polycarbonate V0 Fire Retardant Sheet

Polycarbonates (PC) are a group of thermoplastic polymers containing carbonate groups in their chemical structures. Polycarbonates used in engineering are strong, tough materials, and some grades are optically transparent. They are easily worked, molded, and thermoformed.

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Product Details

Product Description

Overview

Polycarbonates (PC) are a group of thermoplastic polymers containing carbonate groups in their chemical structures. Polycarbonates used in engineering are strong, tough materials, and some grades are optically transparent. They are easily worked, molded, and thermoformed. Because of these properties, polycarbonates find many applications. Polycarbonates do not have a unique resin identification code (RIC) and are identified as "Other", 7 on the RIC list.And the polycarbonate sheet is a popular and beautiful roofing materials in the building area.

 

Specifications:

fire-retardant polycarbonate sheet ul94 V0:

1.thickness:1-20mm

2.Lexan/Bayer virgin material

3.UV 10 years warranty

5.Gram weight:1.2kg/ sqm.mm.customized is acceptable




Features and advantage:

1. Very high impact strength

2. Excellent light transmission

3. UV protection and Anti-aging

4. Good weather resistance

5. Light weight and simply installed

6. Could be deep-processed, widely used

7. Soundproof well

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Product Uses

1), Roofing skylight for office building, department store, hotel, stadium, school, hospital.

2), Soundproof shields on express ways.

3), LED diffused, Advertising lamp boxes, sign board.Telepohne booths.

4), Anti-riot shield, bullet resistant material, Bank ATMs.

5), Agricultural greenhouses, zoos, botanical gardens.

6), Swimming Pools roofing/cover/sheet

7), Lighting for corridors, balcony, passages and subway entries, walkways.

8), Walls, roofs,windows,screens,shower enclosure and other indoor decoration material.

9), Instrument and machine windscreen


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Material:

Polycarbonate resin

Color:

Clear, Opal, Lake blue, also could be custom color

Width*Length:

1220*2440 ,2100*5800 or customized

Thickness:

0.8mm-20mm or other thickness

OEM:

Accept

Coating:

UV protection

Impact resistance:

80 times that of glass, 15 times that of acrylic sheeting

Temperature resistance range

40°~120°

Light weight

Only 1/12 of the weight of glass of the same thickness

Guarantee:

5~10 years

Delivery time:

After the receipt of deposit




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UL.94

The most common method of defining polycarbonate sheet flammability properties is UL.94; this test method was developed by Underwriters Laboratories in the USA.

 

There are multiple levels of flammability:

HB – A piece of the material to be tested is held horizontally, a flame is applied to one end of the material for 30 seconds.  When the flame is removed the material must extinguish before the flame travels 75mm along the material.

 

V2 – A piece of the material to be tested is held vertically, a flame is applied to the material for 10 seconds.  When the flame is removed, the material must not burn for more than 30 seconds.

V1 – This test is the same as for V2, with the additional requirement that the specimen must not drip flaming particles that ignite cotton placed under the test specimen.

V0 – This test is the same as for V1, with the additional requirement that the material must not burn for more than 10 seconds.


The easiest of these tests to pass is the HB test and the hardest test to pass is V0.  As an indication, polycarbonate, without any flame retardant additives, would pass the tests as shown in the table below.  Please note that these figures are only be used for information and test certificates should be obtained from your polycarbonate sheet supplier.


HB    0.060” or thicker

V2    0.125” or thicker

V1    0.1875” or thicker

V0    0.25” or thicker


As can be seen, the thicker the polycarbonate, the more resistance it is to the flammability tests.


If the design specification calls for a V0 rating at 0.125” thickness, standard polycarbonate will not be able to meet the specification.  In this case, flame retardant polycarbonate sheets would need to be considered.  Alternatively, a thicker piece of polycarbonate could be specified.  Using a thicker piece of polycarbonate would probably be cheaper if the design allows; the material would also be much more available.

 

Within the UL.94 standard there are two additional higher levels of flammability, 5VB and 5VA.  As these ratings are not as common we will not go into details here.  However, a quick internet-search will reveal details on these tests.


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