Q1: Is the base paper of disposable paper tableware waterproof and oil resistant?
A1: The base paper itself is not waterproof or oil resistant
Q2: What are the requirements for the raw paper of disposable paper tableware?
A2: The base paper for disposable paper tableware is made from bleached wood pulp from sustainably managed forests, requiring high strength, no odor, and compliance with food hygiene standards.
Q3: What is the purpose of coating disposable paper tableware?
A3: Disposable paper tableware is coated with film to provide the paper with waterproof, oil resistant, and high-temperature resistant properties (used for storing hot drinks and food).
Q4: What are the coating methods for disposable paper tableware?
A4: The coating of disposable paper tableware includes PE and PLA. PE coating is the most common, low-cost, high-performance, but non degradable. PLA film is made from renewable resources such as corn starch, which is compostable and biodegradable, more environmentally friendly, but requires higher production and usage conditions.
Q5: What is the process of coating disposable paper tableware?
A5: The process of laminating involves placing a huge roll of raw paper into a machine and applying a thin layer of polyethylene (PE) plastic film or polylactic acid (PLA) bioplastic film on one or both sides of the paper through a high-temperature extrusion device.
