Duplex Board Grey Back is one of the most widely used packaging paperboards in the printing and packaging industry. Combining a coated white surface with a grey recycled back, it offers excellent printability, reliable stiffness, and cost-effective performance for a wide range of packaging applications. From food cartons and toy boxes to shoe packaging and consumer goods cartons, Duplex Board Grey Back has become a preferred packaging material for manufacturers worldwide.
However, selecting the right GSM (grams per square meter) is essential to ensure the package provides sufficient strength, visual appeal, and cost efficiency. Choosing a board that is too light may compromise product protection, while selecting a heavier grade than necessary can increase packaging costs. This guide explains common Duplex Board GSM grades, thickness ranges, recommended applications, and practical considerations for selecting the right specification for your packaging project.
Duplex Board Grey Back is a coated paperboard produced mainly from recycled fibers. It consists of a smooth white coated top surface suitable for high-quality printing and a grey-colored back layer made from recycled pulp.The material is widely used in packaging because it provides a good balance between performance and affordability.
Smooth coated surface for excellent printing results
Good stiffness and structural strength
Cost-effective packaging solution
Suitable for offset and flexographic printing
Excellent die-cutting and folding performance
Recyclable and environmentally friendly
Food packaging
Shoe boxes
Toy packaging
Stationery packaging
Household product cartons
Pharmaceutical outer packaging
Consumer goods packaging
GSM stands for Grams per Square Meter and refers to the weight of paperboard per square meter.
In general:
Higher GSM usually means thicker and stronger board
Lower GSM usually means lighter and more economical board
Higher GSM provides better rigidity and load-bearing capacity
Lower GSM may be sufficient for lightweight products
However, GSM alone does not determine packaging performance. Other factors such as thickness, stiffness, bulk, fiber quality, and carton design also play important roles. The ideal choice is not necessarily the highest GSM but the specification that best matches the packaging requirements.
Duplex Board Grey Back is commonly available in grades ranging from 230gsm to 500gsm.
As GSM increases, the board becomes thicker and more rigid, providing improved protection and stacking strength.
These grades are suitable for products requiring basic protection and economical packaging.
Typical applications include:
Greeting cards
Product inserts
Small retail cartons
Pharmaceutical packaging
Promotional packaging
Advantages:
Lower material costs
Lightweight transportation
Good printability
This is one of the most popular GSM ranges in the packaging industry because it offers an excellent balance between performance and cost.
Typical applications include:
Food packaging
Cosmetic cartons
Toy boxes
Consumer goods packaging
Healthcare products
Advantages:
Good stiffness
Reliable structural performance
High-quality printing results
Cost-effective packaging solution
These grades provide additional strength and durability for products that require enhanced protection.
Typical applications include:
Shoe boxes
Apparel packaging
Household product cartons
Electronics accessories packaging
Hardware product packaging
Advantages:
Improved rigidity
Better stacking performance
Enhanced resistance to deformation
Different industries have different packaging requirements based on product weight, transportation conditions, and branding objectives.
| Industry | Recommended GSM |
| Food Packaging | 250–350gsm |
| Cosmetics | 300–400gsm |
| Toys | 300–400gsm |
| Stationery | 230–350gsm |
| Apparel | 350–450gsm |
| Footwear | 400–500gsm |
| Electronics | 350–450gsm |
| Household Products | 350–450gsm |
Manufacturers should evaluate both product protection requirements and packaging costs when selecting the appropriate GSM.
Duplex Board Grey Back serves a wide range of packaging markets.
| Application | Estimated Share |
| Food Packaging | 30% |
| Consumer Goods | 25% |
| Footwear Packaging | 20% |
| Toy Packaging | 15% |
| Stationery Packaging | 10% |
Food packaging and consumer goods packaging account for a significant portion of total demand due to the material's excellent printability and affordability.
Packaging buyers often compare Duplex Board Grey Back with Folding Box Board (FBB) when selecting packaging materials.
| Feature | Duplex Board Grey Back | FBB |
| Raw Material | Recycled Fiber | Virgin Fiber |
| Surface Quality | Good | Excellent |
| Printability | Very Good | Excellent |
| Stiffness | Good | Higher |
| Cost | Lower | Higher |
| Sustainability | Recyclable | Recyclable |
| Packaging Grade | Standard | Premium |
Cost efficiency is important
Large-volume production is required
Standard packaging performance is sufficient
Recycled fiber content is preferred
Premium appearance is essential
Luxury packaging is required
Maximum stiffness is needed
High-end branding is a priority
For many retail and industrial packaging applications, Duplex Board Grey Back provides the most economical solution without compromising packaging quality.
Heavier products generally require higher GSM grades to ensure adequate support and protection.
Packaging designs with reinforced structures may achieve excellent performance even with lower GSM materials.
Premium graphics, embossing, and finishing processes often perform better on thicker boards.
Products shipped over long distances or stacked in warehouses may require higher GSM grades to prevent deformation.
Selecting a GSM that exceeds actual packaging requirements can unnecessarily increase material costs.
The most cost-effective solution is to choose the lightest GSM that still provides the required performance.
A reliable supplier should provide consistent quality and dependable service.
Key factors include:
Stable GSM
Uniform thickness
Consistent stiffness
Reliable coating quality
High-quality coating helps ensure:
Sharp image reproduction
Accurate color performance
Smooth finishing effects
The board should perform well during:
Die-cutting
Folding
Gluing
Laminating
Embossing
An experienced supplier should be able to provide:
Roll and sheet formats
Customized dimensions
Export-standard packaging
International shipping support
Complete export documentation
China Paper supplies high-quality Duplex Board Grey Back for packaging manufacturers, printers, and converters worldwide.
Our advantages include:
Available in 230–500gsm
Sheet and reel formats available
Stable bulk and stiffness
Excellent printing performance
Consistent coating quality
FSC certification available upon request
Professional export experience
Reliable global delivery service
Our products are widely exported to South America, Africa, the Middle East, Southeast Asia, Europe, and North America.
Duplex Board Grey Back remains one of the most cost-effective packaging materials available for a wide range of industries. By selecting the appropriate GSM based on product weight, packaging design, and transportation requirements, businesses can achieve the ideal balance between protection, appearance, and cost efficiency.
Lightweight applications typically use 230–250gsm grades, while standard retail packaging commonly utilizes 300–350gsm. Heavy-duty and premium packaging applications often require 400–500gsm grades for enhanced strength and durability. Whether you are manufacturing food cartons, toy boxes, shoe boxes, or consumer goods packaging, choosing the right Duplex Board GSM can help improve packaging performance while optimizing overall costs. China Paper offers reliable Duplex Board Grey Back solutions from 230gsm to 500gsm to meet the diverse packaging needs of customers worldwide.
This is the first one.
we are committed to providing the most suitable solutions and reliable products!
Block A, China Shine Plaza, No. 9 Linhexi Road, Tianhe District, Guangzhou City, Guangdong Province, China
English
