White Top Testliner (WTL) for Packaging & Corrugated Boxes
White top testliner (WTL) is a multi-layer paperboard with a coated white printing surface over a kraft base, made from recycled pulp for strength and printability. It offers a smooth, bright top layer for high-quality multicolor graphics, while the kraft back provides durability and rigidity. Ideal for corrugated packaging, retail boxes, and consumer goods, this board balances cost, performance, and eco-friendliness in high-volume applications.
| Type | White top testliner (WTL) Coated white top kraft linerboard – single-side coated |
| Package | Rolls (width >600mm) or customzied sheet size ; pallet-wrapped with PE film; custom options available |
| Weight | 110-235gsm (common: 110gsm, 125gsm, 140gsm, 145gsm, 170gsm, 180gsm, 200gsm, 220gsm, 235gsm) |
| Material | Recycled pulp (multi-ply with white coated top and kraft base) |
| MOQ | 5 tons for each gsm&sizes , FCL only |
| Color | White top (82% ±2% whiteness), natural kraft back |
| Sample | Free small rolls or sheets, shipped within 3-7 days |
| Lead Time | 25-30 days after deposit receipt |
wholesale high quality paperboard from Sure Paper
Advantages of our White Top Testliner (WTL)
Premium Print Surface
High-Quality Print Surface Coated white top delivers smooth, bright results for sharp multicolor printing and graphics in offset or flexo methods.
Strong Kraft Base
Strong & Durable Structure Kraft base provides excellent stiffness, burst resistance, and load-bearing for reliable packaging protection.
Folding Versatility
Versatile Folding & Forming Multi-ply design handles creasing, folding, and corrugating without cracking, suitable for automated production lines.
Moisture Resistance
Moisture & Grease Resistance Performs well in humid environments or with light grease exposure, ideal for food and consumer product boxes.
Cost-Effective Recycling
Cost-Effective Recycling Made from recycled pulp, it reduces material costs while being fully recyclable for sustainable operations.
Balanced Bulk
Balanced Weight & Bulk Offers good thickness at lower grammages, lowering shipping weights and improving efficiency in packaging runs.
Applications & Industry Solutions
Our White Top Testliner (WTL) solutions are perfect for
White top testliner excels in corrugated and carton packaging where branding meets functionality. Its printable white side and strong kraft back make it a staple for retail and industrial uses.
- Corrugated Boxes: Used for shipping cartons, display boxes, and outer liners in e-commerce and logistics packaging.
- Retail Consumer Packaging: Ideal for ready-to-shelf boxes, product displays, and branded cartons in supermarkets.
- Food & Seafood Cartons: Suitable for dry food, seafood, and takeaway packaging requiring print quality and strength.
- Electronic & Appliance Boxes: Great for protecting electronics, appliances, and fragile goods with sturdy, printable surfaces.
- Shopping Bags & Envelopes: Applied in carrier bags, envelope bags, and promotional packaging for daily retail needs.
- Commodity & Daily Product Boxes: Perfect for household items, toys, and general merchandise cartons emphasizing visuals and durability.

Corrugated Boxes

Food & Seafood Cartons

Retail Consumer Packaging

Shopping Bags & Envelopes
Packing Tips
Superior Protection Packaging
At Sure Paper, we understand that secure packaging is crucial for maintaining cupstock paper quality.
- Our factory operates thermal shrink packaging machines and automatic packing machines, ensuring tight, stable, and consistent packaging.
- We offer flexible packaging options based on sheet size, roll diameter, GSM, and loading method.
- All finished paperboard is 100% inspected before shipment, with special checks on packaging condition and edge protection.
- Each product is labeled with a unique barcode for full traceability after packing.

Roll Packing

Bulk Packing

Ream Packing
Reliable delivery
What is your delivery date?
- Usually 25-30 Days but It Should Be Negotiated Again Before Order.
- We Can Help You to Arrange the Shipment by Sea(Please Tell Me the Port Name in Your Local). We Can Help You to Find a Most Cost-Effective Shipping Cost.
Worried about delivery?
If you have limited experience with international shipments, there’s no need to worry. Our professional logistics team will assist you throughout the entire shipping process and provide clear guidance at every step.
We can handle shipments under the CIF term, arranging ocean freight and insurance to ensure your goods are delivered safely and efficiently to your destination port.
why choose us
Your trusted supplier of white top testliner (WTL)
Still have a question
FAQs About white top testliner (WTL)
What is white top testliner (WTL)?
WTL is a coated paperboard with a white printable top over a kraft base, made from recycled pulp for packaging applications.
What are the typical applications?
Commonly for corrugated boxes, retail cartons, food packaging, electronic boxes, shopping bags, and commodity cartons.
What grammage options do you offer?
From 110gsm to 235gsm, including 125gsm, 140gsm, 170gsm, 200gsm; custom weights for specific needs.
Is it suitable for printing?
Yes, the coated white surface supports high-quality offset, flexo, and direct printing for vibrant graphics.
How does it handle moisture?
The kraft base offers good resistance to humidity and light grease, making it reliable for various environments.
Is WTL eco-friendly?
Yes, produced from recycled pulp and fully recyclable, supporting sustainable packaging practices.
Can samples be provided?
Free sheets or small rolls are available; contact us with your requirements for quick delivery.
What's the difference from standard kraft liner?
WTL adds a white coated top for better printability and branding, while retaining kraft’s strength.
Let’s create some
interesting together!
Whether you’ve lost a supplier or just want to test new markets, our team are ready to formulate a solution with you! Give us your digits and we’ll get back to you within 24 hours or less.
- Receive Your Sample Within 7
- Over 10 years experience of paper industry
- We work closely with leading paper mills: APP, CHENMING, BOHUI, IP SUN
- Standing stock of 8,000 tons per month
- One-stop service: coating, lamination, printing, hot, cutting, package.
- Reliable after-sales support within 3 months of the cargo arrival



