High Bulk Food Grade Biodegradable PLA Coated Paper Cup Fans Using Hot Cold Drinks

Brand Name:XHY
Certification:FSC
Model Number:XHY
Minimum Order Quantity:2 TON
Delivery Time:15-30 days
Payment Terms:T/T
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Location: Wuhan China
Address: 208, Building 1, Hebao Lake street, Dongxihu District, Wuhan City,China
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Product Details
High Bulk Food Grade Biodegradable PLA Coated Paper Cup Fans Using Hot And Cold Drinks
Product Name: High Bulk Food Grade Biodegradable PLA Coated Paper Cup Fans Using Hot And Cold Drinks
Brand NameXHY
CertificationFSC
PE/PLA Weight9-26gsm
Paper Weight150-350gsm
Core Dia3 inch, 6 inch
Material100% Wood Pulp
UsagePaper Cups, Hot Drinks, Cold Beverages etc
FeatureHeat Insulation, Greaseproof, Waterproof
Color1-7 Colors
Size2.5oz-32oz

The manufacturing of disposable paper cups is a continuous, high-speed process on an automated production line. Here are the key steps:

Raw Materials:

  • Paperboard: Blanks of paperboard, pre-printed with designs.

  • Polyethylene (PE) or Polylactic Acid (PLA) Pellets: For the waterproof coating.

Step-by-Step Manufacturing Process:

  1. Printing & Coating (Offline or Inline):

    • The paperboard is first printed with the desired design using flexographic or offset printing.

    • It is then coated on one or both sides with a thin layer of PE (for standard cups) or PLA (for compostable cups). This coating makes the cup waterproof and prevents leakage. This step can be done beforehand (pre-coated board) or as part of the cup-making line.

  2. Winding & Blanking:

    • The large rolls of coated paperboard are fed into the cup-making machine.

    • A machine cuts the large sheets into rectangular blanks, which are the correct size for a single cup.

  3. Forming the Cup Body:

    • The blank is fed into the cup-making machine and wrapped around a cylindrical mandrel (mold).

    • The longitudinal (vertical) seam is sealed by heating the PE/PLA coating and pressing it together, creating a strong "side seam."

  4. Bottom Forming:

    • A separate disc, punched from the same coated paperboard, is fed into the machine. This will become the cup's bottom.

    • The open bottom of the cup body is heated to soften the coating.

    • The bottom disc is pressed precisely onto the heated rim. The machine curls both the cup wall and the bottom disc inward, and then presses and heats them to form a tight, leak-proof seal. This is called the "bottom curl."

  5. Rim Curling:

    • The top of the cup (the rim) is rolled outward to form a smooth, safe, and rigid curl. This makes the cup more comfortable to drink from and adds structural strength.

  6. Quality Control & Packaging:

    • Cups are automatically inspected for sealing defects.

    • They are stacked, bundled, and packaged into sleeves or bulk boxes for shipping.

FAQ:
Q1: Can you do design for me?
A1: Yes, our professional designer can make design for free according to your requirements (including size, color, dimension, quantity etc).
Q2: How can I get a sample?
A2: We provide free samples for you checking the printing and quality of the paper cups, but the express cost need to be collected.
Q3: What's the lead time?
A3: About 10-15 days.
Q4: What's the best price you can offer?
A4: Please tell us what's the size, paper material and quantity do you like. And send us your design. We will give you a competitive price.

China High Bulk Food Grade Biodegradable PLA Coated Paper Cup Fans Using Hot Cold Drinks supplier

High Bulk Food Grade Biodegradable PLA Coated Paper Cup Fans Using Hot Cold Drinks

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