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Home > News > Packaging

Transparent and heat-resistant C-PET light cup an alternative for hot-fill applications

Source：Adsale Plastics Network Date ：2022-11-22 Editor ：VC

SML has joined forces with Sukano and Kiefel to develop the C-PET light cup that combines transparency and recyclability as well as suitability for thermoformed hot-filling or microwavable products.

 

Further advantages include short cycle times during thermoforming and a high stiffness. It can thus be a reasonable option for manufacturers looking for an economic and easy-to-recycle alternative to PP and PS.


Cup_r_web.jpg

C-PET light cup combines transparency and recyclability as well as suitability for thermoformed hot-filling products.


Compared with other colored PET or PP and PS products, the recycling process of C-PET light is considerably easier. C-PET light film can be smoothly reprocessed in existing facilities together with other post-consumer or post-industrial PET materials.

 

“Because easy recyclability is becoming increasingly important, we opted for a transparent C-PET solution at an early stage of our joint research and development work” explains Max-Phillip Lutz, Product Manager at SML.


sml_kaffeebecher_Max-Phillip Lutz_web.jpg

Max-Phillip Lutz, Product Manager at SML.

 

In general, C-PET is temperature resistant up to 220°C. However, this is not necessary for many applications and limits the output in thermoforming. In contrast, C-PET light was developed to withstand a maximum temperature of 100°C. It enables the manufacturing of transparent thermoforming products for hot-fill applications up to 100°C with output volumes comparable to those of conventional A-PET processes.

 

Especially the shorter cycle times during thermoforming are an economic advantage compared with conventional C-PET.

 

All three project partners shared their specific expertise and their profound experience in their respective areas in order to improve every single step in all processes. The main technical challenges were to find the optimum dosage for the additives, to adjust the formulations and the process technology during film production, and to find the right parameters for the thermoforming process.

 

Key characteristics of C-PET light:

  • Suitable for transparent applications

  • Short cycle times and high output compared with C-PET

  • High stiffness compared with PP

  • Recyclable

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Packaging
KIEFEL
 KunRun Machinery(Shanghai) Co.,Ltd.      
 Guangdong Yilong Advanced Materials Technology Co Ltd      
 DONGGUAN DEHUA PRECISION MOLD CO., LTD      
 HENAN TENGYUE MACHINERY TECHNOLOGY CO.,LTD.      
 ZHONGSHAN SAMPROMOLD MAKING CO.,LTD      
 NANJING SAGE ADVANCED MATERIALS CO.，LTD      
 GOOD VISION & MOTION（SHENZHEN）CO,. LTD.      
 ANHUI LITUO ENVIRONMENTAL PROTECTION NEW MATERIAL TECHNOLOGY CO.. LTD.      
 OQ Marketing (Shanghai) Co., Ltd.      
 FCS-Group      
 GREENWICH (CHINA) TECHNOLOGY DEVELOPMENT LIMITED      
 TIANJIN PENGFEI PACKAGING PRODUCTS CO., LTD      
 WUHAN CHANGXIN PLASTIC MACHINERY CO.,LTD.      
 HAITIAN INTERNATIONAL HOLDINGS LIMITED      
 DSP CHEMICAL CO.,LTD      
 FOSHAN AILE PLASTIC MOULD CO., LTD      
 Shantou Bond Machinery Co., Ltd.      
 TAIZHOU HAIHUI MOULD CO.,LTD.      
 MOTAN TAICANG CO., LTD.      
 INTERNATIONAL STANDARD MACHINERY (SHANTOU) CO.,LTD      
 Wuxi Jiahong Plastics Technology CO.,Ltd      
 TAIZHOU HUANGYAN TAIXIANG PLASTIC MACHINERY CO.,LTD.      
 BRUECKNER MASCHINENBAU GMBH      
 JIANGSU GROUPSMART NEW MATERIAL CO.,LTD      
 WENZHOU DETAI PLASTICS CO., LTD      

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Source：Adsale Plastics Network Date ：2022-11-22 Editor ：VC

SML has joined forces with Sukano and Kiefel to develop the C-PET light cup that combines transparency and recyclability as well as suitability for thermoformed hot-filling or microwavable products.

 

Further advantages include short cycle times during thermoforming and a high stiffness. It can thus be a reasonable option for manufacturers looking for an economic and easy-to-recycle alternative to PP and PS.


Cup_r_web.jpg

C-PET light cup combines transparency and recyclability as well as suitability for thermoformed hot-filling products.


Compared with other colored PET or PP and PS products, the recycling process of C-PET light is considerably easier. C-PET light film can be smoothly reprocessed in existing facilities together with other post-consumer or post-industrial PET materials.

 

“Because easy recyclability is becoming increasingly important, we opted for a transparent C-PET solution at an early stage of our joint research and development work” explains Max-Phillip Lutz, Product Manager at SML.


sml_kaffeebecher_Max-Phillip Lutz_web.jpg

Max-Phillip Lutz, Product Manager at SML.

 

In general, C-PET is temperature resistant up to 220°C. However, this is not necessary for many applications and limits the output in thermoforming. In contrast, C-PET light was developed to withstand a maximum temperature of 100°C. It enables the manufacturing of transparent thermoforming products for hot-fill applications up to 100°C with output volumes comparable to those of conventional A-PET processes.

 

Especially the shorter cycle times during thermoforming are an economic advantage compared with conventional C-PET.

 

All three project partners shared their specific expertise and their profound experience in their respective areas in order to improve every single step in all processes. The main technical challenges were to find the optimum dosage for the additives, to adjust the formulations and the process technology during film production, and to find the right parameters for the thermoforming process.

 

Key characteristics of C-PET light:

  • Suitable for transparent applications

  • Short cycle times and high output compared with C-PET

  • High stiffness compared with PP

  • Recyclable

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Transparent and heat-resistant C-PET light cup an alternative for hot-fill applications

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