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Product
PRODUCT
Our High Temperature Retort Pouch is designed for food makers who need robust, secure, and long-lasting packaging for high-heat sterilization. It can withstand temperatures as high as 135°C.
To ensure uniformity for food packaging, each batch is put through pressure tests, drop tests, heat resistance tests, and sealing strength checks.
Our retort pouch offers dependability, food safety, longer shelf life, and superior product presentation whether you are making shelf-stable meals or high-heat processed foods.
Key Features of Retort Bags
1. High-Temperature Resistance:Our retort pouch packaging can can be used to process food inside at 250 °F (135 °C，maximum so far) for at least 50 to 55 minutes, making them ideal for a diverse range of applications—from sauces to fast food.
2. Advanced Material Composition:
- ALOX-PET Surface Layer:Delivers high barrier performance and durability, ensuring the pouch remains intact under high heat.
- NY Composite Layer:Provides robust strength and toughness, with excellent puncture resistance to safeguard against damage during handling and cooking.
- RCPP Inner Layer:Specifically designed for food products cooked at 135℃, this layer maintains its integrity without any delamination.
3. Superior Cooking Results:Our innovative technology efficiently traps air, ensuring that after cooking, the retort pouch retains its flawless appearance without any stratification. In addition,We have a systematic inspection process to ensure that every pouch will not leak.
Why Choose for Puropak?
As an experienced flexible packaging manufacturer, Puropak offers:
•Factory-direct pricing;
•Eco-friendly material options;
•Low MOQ and custom printing;
•Quick sample and global shipping;
•Strict quality control for food-grade safety
FAQ
1. What is retort pouch packaging?
Food is usually cooked inside the pouch at temperatures as high as 135 degrees Celsius during retort processing.In order to prevent food spoilage and ensure that it is safe to consume for one to two years, this sterilizes the product and its packaging, which is sealed against oxygen and bacteria.
2. Can this retort bag be cooked at 135°C?
Yes.The pouches made by Puropak are designed to withstand 135°C for 50–55 minutes without deforming, leaking, or delaminating.
3. What kinds of foods are suitable for retort pouch packaging?
They can be used for high-heat sterilization of sauces, curry, soups, meat products, prepared meals, spaghetti sauce, drinks, baby food, and fast food.
4. Is it safe to come into close touch with food in this retort pouch packaging?
Absolutely.All packaging materials are safe for high-temperature processing and comply with FDA and EU food-contact requirements.
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Product Details
Product Details
What We Can Offer
Fast delivery
Low MOQ, start with 10,000 pcs for pouch and 200kg for film (gravure printing). 100 pcs for pouch and 10kg for film (digital printing)ISO9001, ISO14001, BRC, RECYCLABLE,COMPOSTABLE, SGS,etc Certificates.
Variety of printing option, Gravure Printing, Digital Printing and Flexographic Printing.
What We Can Offer
Fast delivery
Low MOQ, 10,000 pcs for pouch and 200kg for film (gravure printing). 100 pcs for pouch and 10kg for film (digital printing). ISO9001, ISO14001, BRC, RECYCLABLE,COMPOSTABLE, SGS, etc Certificates.
Variety of printing option, Gravure Printing, Digital Printing and Flexographic Printing.
Custom Pouch Style
Custom Pouch Style
Slider Zipper
Paper Touch
Laser Score Line
Custom Effect
Gold Stamping
UV Process
Hollow Out
Laser
Laser UV Cold Pressing
Concave-convex
3D Concave Shock
3D Hot Stamping
Embossing
Custom Effect
Gold Stamping
Laser
Hollow Out
UV Process
Laser UV Cold Pressing
Concave-convex
3D Hot Stamping
Embossing
3D Concave Shock
FAQ
Q1: Where are you headquartered?
A1: Puropak is headquartered in Foshan, Guangdong Province.
Q2: Are you a trading company or manufacturer?
A2: We are proud to introduce ourselves as a leading manufacturer of flexible packaging including
biodegradable/compostable packaging and recyclable packaging with nearly 20 years of experience in China!
Q3: What countries do you export your products to?
A3: We have naerly 20 years experience in exporting packaging, and we export to over
30 countries including USA, Canada, Australia, Africa, Dubai and countries in Europe.
Q4: What’s your advantages?/Why choose Puropak?
A4: 1） We got nearly 20 years’ experience in providing pratical packaging solution for food industries like pet food, coffee, snacks and daily use products like facial mask and shampoo
2）We provide customers with one-stop solution, besides flexible packaging, we can provide other kinds of packaging and relative machinery. It can save your time and cost in packaging soucing.
3）Our design team have rich experience in serving famous brands, some of them are in your industry that can help you create beautiful packaging to impress the consumers. Web proof will be generated in 24 hours.
Q5: What is your packaging made from?
A5: Our packaging products made from eco paper material, certificated mono materials, cetificated
compostable material, eco soybean ink and other eco-friendly material.
Q6: What is your lead time/production time?
A6: It depends on quantity and printing methods, normally 7 days by digital and 20 days by gravure and flexo.
Q7:How long will it take for my boxes /pallets to arrive?
A7:It will take around 5 days by air and around 30 days by sea of Free-shape stand up pouches.
Q8:Do you offer Free Samples?
A8:Yes.
Q9:What's your MOQ?
A9:10,000 pcs for pouch and 200kg for film (gravure printing and flexo priting). 100 pcs for pouch and 10kg for film (digital printing).
FAQ
Q1: Where are you headquartered?
A1: Puropak is headquartered in Foshan, Guangdong Province.
Q2: Are you a trading company or manufacturer?
A2: We are proud to introduce ourselves as a leading manufacturer of flexible packaging including biodegradable/compostable packaging and recyclable packaging with nearly 20 years of experience in China!
Q3: What countries do you export your products to?
A3: We have nearly 20 years of experience exporting packaging, and we export to over 30 countries, including the USA, Canada, Australia, Africa, Dubai, and countries in Europe.
Q4: What’s your advantages?/Why choose Puropak?
A4: 1） We got nearly 20 years of experience in providing practical packaging solutions for food industries like pet food, coffee, snacks and daily use products like facial masks and shampoo.
2）We provide customers with a one-stop solution. In addition to flexible packaging, we can provide other kinds of packaging and related machinery. This can save you time and money in packaging sourcing.
3）Our design team has rich experience in serving famous brands, some of which are in your industry that can help you create beautiful packaging to impress the consumers.
Q5: What is your packaging made from?
A5: Our packaging products are made from eco paper material, certificated mono materials, certified compostable material, eco soybean ink and other eco-friendly materials.
Q6: What is your lead time/production time?
A6: It depends on quantity and printing methods, normally 7 days by digital and 20 days by gravure and flexo.
Q7:How long will it take for my boxes /pallets to arrive?
A7:It will take around 5 days by air and around 30 days by sea of free-shape stand up pouches.
Q8:Do you offer free samples?
A8:Yes.
Q9:What's your MOQ?
A9:10,000 pcs for pouch and 200kg for film (gravure printing and flexo priting). 100 pcs for pouch and 10kg for film (digital printing).
Additional Resources
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2026 Complete Guide to Composite Laminated Flexible Packaging: Types, Process & Applications
2026 Complete Guide to Composite Laminated Flexible Packaging: Types, Process &
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Flexible Packaging Material Selection for Common Products
2026 Ultimate Guide: Flexible Packaging Material Selection for Common ProductsFl
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Common Flexible Plastic Packaging Materials: A Complete Industry Guide 2026
Common Flexible Plastic Packaging Materials: Full Guide to Layer Structure & App
