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Differentiate your cast films by using brand new random copolymers with a step change in quality

The new Borstar-Sirius technology enables a step change in product performance

Shampoo-Bottle

Using a proprietary Sirius™ catalyst in the Borstar® polypropylene (PP) production technology adds novel characteristics to PP. This technology platform allows for production of superior polypropylene that will contribute to product differentiation and productivity improvements. Innovations are focused on unique combinations of properties and offer differentiation through a step change in purity, improved optical properties, improved stiffness–impact balance, excellent processability supporting high line speeds and transparent soft PPs.
 

Borclear RE936CF provides superior optical properties at very high film line speeds

Borclear™ RE936CF is designed to reduce surface texture (orange peel) at high film line speeds. It allows stable cast film production at speeds of up to 450m/min and this with equal or even superior optical properties.

RE936CF is a medium ethylene random copolymer formulated with slip and antiblocking additives.

 MFR(230/2.16)

 Melting point
°C

Flex. mod.
MPa

 Vicat temp.
°C

 Borclear™ RE936CF     

            12             

          143         

          900            

           130           


When comparing the film properties of Borclear RE936CF to reference random copolymers such as RD226CF, a great improvement in gloss is observed.

  Graph on great improvement in gloss

  Graph on great improvement in haze

Gloss and haze for 50µm monolayer cast film  

Rice-Packaging

Borclear RE936CF demonstrates superior optical properties even after steam sterilisation, which makes the product extremely suitable for sterilised ready-to-eat meal packaging.

Borclear RE936CF provides fast slip migration. As a result, low COF values are obtained soon after film production. This is important to ensure good winding behaviour and easy handling in further winding and converting steps.  

Graph Slip Migration

Conclusion:

  • Borclear RE936CF is your material of choice for applications with superior optical properties that enable you to differentiate your products from the competitors!
  • If you aim to increase your line efficiency and want to maintain equal or even better optical properties, then evaluate the potential of Borclear RE936CF!

Borseal RE909CF and RE939CF provide crystal clear, soft films with optimum sealing performance.

transparent-packagingBorseal™ RE909CF and RE939CF are random copolymer grades that contain very high levels of ethylene, making them soft, ultra transparent and easy to seal!

 

 

 graph gloss and sealing

 Graph transparency

Gloss and haze for 50µm monolayer cast films

With a flexural modulus of 550MPa, Borseal RE939CF and RE909CF enable the production of very soft and extremely transparent films.

 Graph on Flex

Borseal RE939CF and RE909CF are high ethylene random copolymers.
RE939CF is formulated with slip and antiblocking additives.
RE909CF is slip and antiblock free and is an ideal blending partner for RE939CF to obtain the right slip properties for your applications.

 MFR (230/2.16) g/10min     

 Melting point °C

 Flex mod. MPa

 Vicat temp. °C

 S.I.T. ° C         

Borseal™ RE939CF  Borseal™ RE909CF 

 12

 136

 550

 115

 109

 Borseal™ RE909CF 

 11

 140

 650

 120

 114


S.I.T. = seal initiation temperature

packaging-on-shelvesUsed as a thin sealing layer, they provide low sealing temperatures compared to all other random copolymers. Our proprietary Sirius-Borstar technology makes it possible to incorporate a very high level of ethylene content with relatively low extractable levels, complying with food contact regulations and thus making these products suitable for food packaging applications.

Talk to your Borealis representative to find out more details about these innovative products. Learn how these brand new random copolymers can help you differentiate your films.

 

For more information you may also contact:

Nina Ackermans, Application Marketing Manager
Tel. +32 1145 9446 or 
nina.ackermans@borealisgroup.com