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Qingdao Polycore Technology night cover (also called night curtain,night blind) systems make a considerable contribution to reducing energy consumption in supermarkets. Supermarket operator can save energy costs by fitting refrigerated display cabinets with Polycore Technology heat-insulating blinds when store is closed, on public holidays and at the weekend. 

The cover material absorbs the heat radiation from the sales area and keep cold air drop out of showcase, which prevents condensation from forming on the outside. meanwhile reflects heat air  of store into showcase. The textile structure prevents condensation forming. Polycore Technology hand-operated blinds can be used for all refrigerated display cabinets.

Hand-operated and electronic night covers available.

Advantages:

Energy savings of up to 30-35 %

No condensation

antibiosis,mildew proof,anti-condension,anti-moist

Tough and reliable construction

Minimum maintenance required

Easy installation

Help preserve food quality and safety

No need for space storage

Help keeping product temperature constant

Can be retrofitted without problem

Night curtain can prevent cold air to drop out of showcase meanwhile reflects heat air of store into showcase. Perforated hole in curtain material provide air channel for showcase.

Polycore provide night curtain same time provide perforated curtain material for night curtain maker or such clients who want to change aging cover material.

There are three kinds of curtain material ,transparent PET,PET ALuminized foil (model B),Aluminizer Fabric (model A).

Transparent PET night curtain:

PET material night curtain can prevent cold air to drop out of showcase meanwhile reflects heat air of store into showcase. 

Perforated hole in curtain material provide air channel for showcase.

Transparent PET is cheapest,it can prevent some dirty obstacle into display showcase,prevent cooling air out of display in some extent.Some clients who have keen care on display showcase cost select such kind of curtain.

Width should be within 1250mm,length within 2000mm.

There are double roll for vertical showcase and single roll for horizontal showcase.

PET Aluminzier foil night curtain:

The PET Aluminzier foil night curtain material is made of anti-freezing, tear-resistant knitted  PET with Aluminized foil on both sides , night curtain can prevent cold air to drop out of showcase meanwhile reflects heat air of store into showcase. Perforated hole in curtain material provide air channel for showcase.

PET ALuminized foil width should be within 2000mm. So width more than such size should supply two pieces to replace of one set.

The curtain length for vertical showcase should be within 1900mm,

the curtain length for horizontal showcase should be within 1500mm.

We can add speed reducer on PET Aluminized foil to protect night curtain be destoried by so fast return when night cover draw up.

Magnetism can be added to install finished display showcase easily.

Aluminizer Fabric night curtain:

The Aluminzier fabric night curtain material is made of anti-freezing, tear-resistant knitted  PET with Aluminized foil in it , night cover can prevent cold air to drop out of showcase meanwhile reflects heat air of store into showcase. Perforated hole in curtain material provide air channel for showcase.

PET ALuminized foil width should be within 2000mm,length within 2000mm.

Aluminizer fabric can be used in eletronic model,width to 2500mm and 3750mm,length within 2500mm.

We can add speed reducer on PET Aluminized foil to protect night curtain be destoried by so fast return when night curtain draw up.

Positioning system allow night cover to stop in any position client wants 

Magnetism can be added to install finished display showcase easily.

Aluminizer Fabric with different color and pattern for special requirement.

Electronic control type

Polycore Technology have an integrated electric drive so that they can be moved up and down without any problems. These night curtain can be used with just a single motor. Switching can be done manually or via the central lighting system. The curtain material is made of anti-freezing, tear-resistant knitted polyester fabric, and PET aluminised on both sides. The effect: cold is reflected inwards and heat outwards. The textile structure prevents condensation forming.

For horizontal and vertical showcase, night curtain with different shape, usually night curtain for horizonal showcase need to add box, there are four different box shape to cater to display showcase, handle with four shape too to carter to cabinet in showcase.

Recently time, adopt night curtain for horizontal showcase to vertical showcase in market, that is acceptable. However night curtain for vertical showcase can't be applied into horizontal showcase since shortage of box.