FREQUENTLY ASKED QUESTIONS

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Is PVC suitable for UV printing / UV curing?
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PVC is a good substrate for UV inks.
Wide format and flatbed printers employ various ink and ink curing technologies to allow high quality printing at high speeds.
PALIGHT is suitable for use with UV curing and solvent-based digital inks, and for IR drying when water-based inks are required. It retains superb whiteness, even after intense UV curing.
UV Screen Printing Inks also work well on PVC. The most critical factor to consider when using UV systems is the curing oven. Low-wattage bulbs should be used to keep temperatures below 65°C. UV curing systems with variable speed conveyors are ideal.

PALBOARDPALBOARD TerraPALCLEARPALIGHTPALOPAQUE
Is the PE film suitable for thermoforming applications?
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Most of Palram's products that are delivered with PE film covering are suitable for thermoforming. In general, we recommend using clear PE and not printed PE.

PALBOARD – oldPALCLAD Pro – oldPALCLEAR® – oldPALGARD® – oldPALGLAS® – oldPALIGHT® – oldPALSUN® – oldSUNGLAZE® – oldSUNLITE® – oldPALOPAQUE™ – oldSUNPAL® – old
My building inspector says I need the fire certification for PALRUF. Can you provide this information?
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Yes. We can provide test reports and other such documents. Please contact your Palram dealer if you require this data.

PALRUF PVC or SUNTUF polycarbonate corrugated sheets: when to use which?
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PVC corrugated sheets are typically used in highly-corrosive environments such as port warehouses, cowsheds, and dairies for opaque roofing and siding. When natural daylight illumination is needed, polycarbonate corrugated sheets are used as roofing or siding.

PALRUFSUNTUF
Should products be pre-dried before thermoforming?
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This depends on the production date and storage conditions of the product before thermoforming. It is recommended to check the product before thermoforming is attempted.

PALIGHT® – oldPALSUN® – oldPALGARD® – oldSUNGLAZE® – oldSUNLITE® – oldSUNPAL® – old
What are the benefits of using polycarbonate standing-seam system over standard polycarbonate sheets?
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The main benefit of the standing-seam system is that unlike standard sheets, it is sold together with all installation accessories. This system also provides superior water tightness and is easier and faster to install.

SUNGLAZE® – oldSUNPAL® – oldSuntuf DIY – old
What are the common applications of profiled PVC sheets?
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The common applications of corrugated PVC sheets are buildings that require opaque coverings and/or are located in highly-corrosive environments such as chemical plants, coastlines, cowsheds, and dairies.

AG-TUF®PALTOP™
What are the dimensions of PALCLAD Pro sheets (size and thickness)?
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PALCLAD Pro comes in a standard size of 1500x3000 mm and in thicknesses of 2 and 2.5 mm.

PALCLAD Pro – oldPALOPAQUE™ – old
What are three-dimensional or 3D logo signs?
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3D letters and/or 3D logos are made of plastic, metal or foam. They reinforce an upscale image and create a clear highlighted message. These signs can be illuminated when required.

PALBOARD – oldPALGLAS® – oldPALIGHT® – oldPALSUN® – oldPALOPAQUE™ – old
What can assure accurate double-sided printing or recto verso prints?
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A strict spec of diagonal (from angle to angle) during the production process is feasible for this.

PALBOARD – oldPALCLAD Pro – oldPALCLEAR® – oldPALGLAS® – oldPALIGHT® – oldPALOPAQUE™ – old
What drill bit do you use for PVC foam or for PVC multilayered sheet?
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PALIGHT and PALBOARD can be drilled with carbide-tipped bits using metal twist drills.
The following settings are recommended:
Point angle: between 90° and 110°
Spiral angle: 30°
Cutting speed: 1000 - 3000 RPM
Feed rate: 0.2 - 0.5 mm / revolution
The minimum distance from the edge should be 2 times the hole diameter.
To reduce heat build up when drilling thick gauge sheets, it may be necessary to periodically remove the drill bit from the material.

PALBOARDPALBOARD TerraPALIGHT
What is an illuminated sign?
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A sign that is illuminated by an electrical light source (fluorescent\LED).

PALBOARD – oldPALCLEAR® – oldPALGLAS® – oldPALIGHT® – oldPALSUN® – old
What is the best polycarbonate panel for thermal properties and light transmission?
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There is a trade-off between light transmission, transparency, and thermal properties in polycarbonate sheets. Multiwall polycarbonate sheets provide superior thermal insulation over solid sheets, but they are translucent, not transparent.
Clear polycarbonate panels will be fully transparent, but less thermally insulating.
Both options allow high light transmission, depending on their color.
If your main concern is light transmission, and not a glass-like appearance, you can achieve that with multiwall sheets, such as SUNLITE, or with the SUNPAL architectural multiwall panel system.
If your main concern is clarity, your best option is PALSUN solid polycarbonate sheets, or SUNGLAZE architectural solid panel system.
Another important factor to remember is that multi-wall sheets weigh significantly less than solid sheets. This can lower your construction and labor costs.

SUNLITESUNLITE DIYSUNGLAZESUNPAL
What is the best polycarbonate panel for thermal properties and light transmission?
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There is a trade-off between light transmission, transparency, and thermal properties in polycarbonate sheets. Multiwall polycarbonate sheets provide superior thermal insulation over solid sheets, but they are translucent, not transparent.
Clear polycarbonate panels will be fully transparent, but less thermally insulating.
Both options allow high light transmission, depending on their color.
If your main concern is light transmission, and not a glass-like appearance, you can achieve that with multiwall sheets, such as SUNLITE, or with the SUNPAL architectural multiwall panel system.
If your main concern is clarity, your best option is PALSUN solid polycarbonate sheets, or SUNGLAZE architectural solid panel system.
Another important factor to remember is that multi-wall sheets weigh significantly less than solid sheets. This can lower your construction and labor costs.

SUNGLAZESUNLITESUNLITE DIYSUNPAL
What is the best roof pitch for SUNLITE DIY polycarbonate sheets?
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A proper slope keeps water off the roof. It prevents leaks, keeps the roof clean, and ensures structural integrity.
Roof slope percentage indicates how much the roof falls over a given distance.
SUNLITE multiwall polycarbonate sheets require a 10% minimal slope.
This means a drop of at least 10 centimeters over one meter.
If you expect leaves or snow to accumulate on your roof, consider a deeper slope.

SUNLITE DIY
What is the best wide-format inkjet media (substrate) for my application?
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This is based on a combination of several parameters, but the main ones are the cost of the media and its durability, and its fit to the required application. Please visit Palram’s Flat Sheet Application Catalog.

PALBOARD – oldPALCLAD Pro – oldPALCLEAR® – oldPALIGHT® – oldPALGLAS® – oldPALOPAQUE™ – old
What is the difference between a polypropylene sheet and PVC?
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In terms of ink adhesion properties, both polymers act very differently. PVC is a ready-to-use polymer so no pre-treatment needs to be done before printing (on rigid or flexible media). Polypropylene has different chemical properties and for this reason, needs to get a pre-treatment coat ('Corona'), which has a limited shelf life.

PALBOARD – oldPALCLAD Pro – oldPALCLEAR® – oldPALGLAS® – oldPALIGHT® – oldPALOPAQUE™ – old
What is the difference between antimicrobial and antibacterial?
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Antimicrobial and antibacterial are interchangeable in many cases. However, antimicrobial offers further protection by eliminating fungi, that is, by eliminating any mold or potential mold build-up.

PALCLAD Pro – oldPALOPAQUE™ – old
What is the difference between multiwall and solid polycarbonate?
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Multiwall is a multi-cell structured sheet. Due to its multi-cell structure, it has superior thermal insulation and low area weight.

PALSUN® – oldSUNGLAZE® – oldSUNLITE® – oldSUNPAL® – old
What is the meaning of Shading Coefficient (SC)?
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Shading coefficient (SC) is a parameter that compares transparent and translucent materials with clear 3 mm glass with 87% LT ׂ(light transmission). The lower the value, the more convenient it is to stay under the material on warm, sunny days. In architectural projects, the SC should usually be between 0.3 to 0.5.

PALCLEAR® – oldPALGARD® – oldPALGLAS® – oldPALSHIELD® – oldPALSUN® – oldSUNGLAS™SUNGLAZE® – oldSUNLITE® – oldSUNPAL® – oldSuntuf DIY – old