Product Introduction

White polypropylene-coated paper (single-sided flame-retardant type) is a functional paper product made by laminating a single layer of white polypropylene (PP) film onto a paper base and subjecting it to a specialized manufacturing process that imparts flame-retardant properties. Its core innovation lies in the seamless integration of paper’s ease of processing, the protective barrier provided by white PP, and the safety benefits of flame retardancy.

Product Structure

	①	White polypropylene
	②	Three-way glass fiber mesh
	③	Adhesive
	④	Flame-retardant kraft paper

Product Specifications

Core Components and Core Characteristics

(1) Core Components
Base material: paper-based substrates (typically flame-retardant kraft paper), which retain paper’s lightweight, foldability, and ease of printing while maintaining relatively low costs.
Surface layer: white polypropylene (PP) film, providing a clean and tidy white appearance while offering waterproof, moisture-resistant, scratch-resistant, and oil-stain-resistant protection to prevent the substrate from being damaged by water.
Flame-retardant layer/process: Flame retardancy is achieved in two ways—either by incorporating flame retardants during the production of the PP film, or by applying a flame-retardant coating to the entire film, thereby meeting flame-retardant standards such as GB/T 2408. In the event of a fire, this can slow the spread of flames and even enable self-extinguishment.

(2) Core Features
Flame-retardant safety: a key advantage that reduces fire risk and prevents rapid flame spread, making it suitable for applications with basic fire-protection requirements.
Protection and Appearance: The white surface meets the visual requirements of various settings, while the PP laminate addresses the common drawbacks of ordinary paper—its susceptibility to water and scratches—thereby extending the service life of paper products.
Easy to process: Retains the characteristics of paper, allowing it to be cut, folded, and rolled, as well as printed (e.g., with logos or instructions), thereby meeting diverse production needs.

Key Advantages

Highly multifunctional: Combines the convenient processability of paper, the protective properties of white PP, and the safety of flame retardancy, eliminating the need for additional multilayer material overlays and simplifying the application process.
High cost-effectiveness: Based on paper, it is more cost-efficient than all-PP flame-retardant materials or specialized flame-retardant papers, balancing functionality with affordability.
Flexible application: thin and lightweight, it can be used standalone or adhered to other substrate surfaces (such as lightweight board, glass wool, or rock wool), making it suitable for a wide range of applications and meeting the thermal insulation and heat preservation requirements of steel-structure roofs and walls.