Standard Size Guide for Plant Fiber Molded Dinner Plates (Inches and Centimeters Comparison)
Comprehensive Specifications for Eco-Friendly Tableware Applications
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Introduction
Plant-based fiber molded dinner plates, as an environmentally friendly alternative to traditional disposable plastic tableware, are rapidly gaining popularity at a rate of 35% per year (data from the China Plastics Processing Industry Association in 2024). According to the GB/T 36787-2018 standard, these plates are made from renewable materials such as sugarcane residue and bamboo fibers, combining practicality with environmental friendliness. This guide will provide a detailed analysis of the application scenarios and technical parameters for each standard size.
I. Detailed Explanation of Standard Size System
Plant fiber molded dinner plates offer a comprehensive size system designed to meet various dining needs while maintaining environmental sustainability and functional excellence.
1. Standard dinner plate: 25.4 centimeters (10 inches)
Technical Specifications:
- Diameter: 25.4 ± 0.3 centimeters
- Capacity: 1000 - 1200 milliliters
- Load-bearing strength: ≥ 3.0 kilograms
- Edge height: 1.5 - 2.0 centimeters
Application Scenarios:
- Serving as the main dish for formal meals
- For business dining
- For daily family meals
Market Data:
It accounts for 45% of the market share in food delivery services, and is the most commonly used size (statistics from Meituan Delivery in 2024).
2. Large serving platter: 30.5 - 33 centimeters (12 - 13 inches)
Structural Characteristics:
- Reinforced ribs for enhanced structural stability
- Anti-slip texture with a friction coefficient of ≥ 0.5
- Optional partition design for food separation
Applicable occasions:
- Main platter for buffet meals
- Serving dish for banquets
- Main course dish for family gatherings
3. Small dinner plates: 15.2 - 20.3 centimeters (6 - 8 inches)
| Size | Capacity | Applicable Scenarios |
|---|---|---|
| 15.2cm | 300ml | Appetizer, Snack |
| 17.8cm | 450ml | Children's Meal, Simple Meal |
| 20.3cm | 600ml | Single-person Main Course |
II. Professional Use Plate Specifications
4. Special lunch plate: 22.2 - 22.9 centimeters (8.75 - 9 inches)
Design Features:
- Multiple compartments: 2-4 compartments
- Capacity Allocation: Main compartment 600ml, side compartments 200ml each, 2 in total
- Sealing Performance: With a lid, leak-proof rating IPX3
Technical Standards:
Complies with the GB 4806.8-2022 food contact material certification
5. Dessert Cake Plate: 15.2 - 25.4 centimeters (6 - 10 inches)
Size Gradient:
- 15cm: Personal dessert
- 20cm: Cake for 2-4 people
- 25cm: Celebration cake for 6-8 people
Special Processing:
- Surface embossing to enhance appearance
- Strengthening the edges to prevent deformation
- Moisture-proof treatment to maintain the crispness of the pastries
6. Snack Plate: 10.2 - 12.7 centimeters (4 - 5 inches)
Usage Scenarios:
- Tea break snacks
- Appetizers
- Condiment dishes
Physical Properties:
- Stack Quantity: ≥ 50 units
- Unit Packaging Quantity: 100 units per package
- Storage Volume: 0.15 cubic meters per thousand units
7. Salad Plate: 17.8 - 21.6 centimeters (7 - 8.5 inches)
Professional Design:
- Ventilation holes for maintaining the freshness of vegetables
- Shallow dish shape for easy stirring
- Leak-proof edges to prevent sauce from spilling out
8. Bread Pan: 15.2 - 17.8 centimeters (6 - 7 inches)
Functional Features:
- Surface texture to enhance friction
- Uniform heat conduction to maintain bread temperature
- Oil absorption treatment to prevent soaking
9. Soup Bowl: 15.2 - 22.9 centimeters (6 - 9 inches)
| Diameter | Height | Capacity | Applicable Scenarios |
|---|---|---|---|
| 15cm | 5cm | 400ml | Personal-sized soup |
| 18cm | 6cm | 700ml | Family-sized soup |
| 23cm | 7cm | 1200ml | Multi-person soup |
Thermal Insulation Performance:
- Insulation duration at room temperature: ≥ 30 minutes
- Sealing cap fit: 100%
10. Mixing tray: 25.4 - 35.6 centimeters (10 - 14 inches)
Load-bearing Performance:
- Static Load Capacity: ≥ 8kg
- Impact Resistance: ≥ 5kJ/m²
- Operating Temperature Range: -20°C to 220°C
III. Environmental Performance and Technical Specifications
Materials Science Parameters
- Raw Material Composition:
- Sugarcane bagasse fibers: 60-80%
- Bamboo fibers: 15-25%
- Natural additives: 3-5%
- Physical Properties:
- Density: 0.6 - 0.8 g/cm³
- Absorption Rate: ≤ 10% (24 hours)
- Oil Resistance Time: ≥ 4 hours (120°C)
Environmental Certification System
1. Degradation Performance (GB/T 19277.1-2021)
- Industrial Composting: Degradation rate ≥ 80% within 45 days
- Natural Degradation: Complete degradation within 90 days
2. Safety Certification
- Food contact safety: GB 4806.8-2022
- Heavy metal migration: Compliant with GB 31604.1-2015
- Microbial indicators: Colony count < 100 CFU/g
IV. Size Selection Guide
Select by Scene
| Usage Scenario | Recommended Size | Technical Basis |
|---|---|---|
| Business Package | 25cm | Satisfies standard meal portion |
| Children's Meal | 18cm | Complies with children's eating volume characteristics |
| Banquet Dessert | 20cm | Balances aesthetics and practicality |
| Takeout Snack | 23cm | Suitable for takeout packaging specifications |
Select according to food type
- Liquid food: Choose deep plates or bowl-shaped designs
- Solid food: Suitable for shallow plates for easy access
- Oily food: Select models with oil-proof treatment
V. Industry Data and Market Analysis
Market Size
- Market size of plant fiber dinner plates in 2024: 6.5 billion yuan
- Expected growth rate in 2025: 40%
- Main application fields: Food delivery services (60%), institutional dining (25%), household use (15%)
Consumer Preferences
According to a survey conducted by the China Consumers Association (with a sample size of 10,000 people):
- Size preference: 25cm (42%), 23cm (35%), 20cm (18%)
- Material concern: Environmental friendliness (88%), Safety (85%), Practicality (78%)
VI. Suggestions for Use and Important Notes
Storage Conditions
- Temperature: 15 - 30℃
- Humidity: 40 - 60%
- Stack height: ≤ 5 layers
- Shelf life: 24 months
Usage Guidelines
1. Microwave Usage:
- Power Limit: ≤ 800W
- Time Limit: Single use ≤ 3 minutes
- Food Temperature: ≤ 100℃
2. Refrigeration and Freezing:
- Minimum temperature: -25℃
- Sealing requirement: Compatible with special cover plates
3. Storage Recommendations:
- Avoid storing acidic foods with a pH value lower than 4 for an extended period.
- For fatty foods, the storage time should not exceed 4 hours.
VII. Future Development Trends
Innovation in Technology
1. Intelligent Size System:
- Automatically recommend sizes based on food type
- Digital capacity indicators
- Intelligent inventory management
2. Material Upgrade:
- Nanotechnology enhancement
- Intelligent temperature control materials
- Self-repairing coatings
Evolution of Industry Standards
- In 2025, the "Standard for Sizes of Plant Fiber Tableware" will be introduced.
- Establish a unified product identification system.
- Improve the lifecycle assessment standards.
Conclusion
The plant fiber molded dinner plates offer professional solutions for various dining scenarios through a scientific size system and strict technical standards. When choosing, it is recommended to combine specific usage needs, food characteristics, and environmental protection requirements to select the most suitable product specifications. With technological advancements and standard improvements, plant fiber dinner plates will achieve a better balance in terms of practicality, environmental friendliness, and economy, making greater contributions to sustainable development.