1 Cavity CPET Tray

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Premium 1-Cavity CPET Trays | Single-Compartment Dual-Ovenable Solutions for Ready Meals

Stop risking your premium ready meals with leaky seals, microwave sparking, or thermal-shock cracking. At HSQY, we manufacture premium 1-Cavity CPET (Crystallized PET) Trays engineered to survive the most extreme thermal shocks in the food industry. Capable of transitioning seamlessly from -40°C blast freezing to +220°C conventional oven baking, our single-compartment trays eliminate the need for consumers to transfer food before reheating, ensuring absolute convenience and food safety.

Single-cavity designs are the industry workhorses for liquid-rich entrees like lasagna, curries, and roasted meats. That is why our trays feature ultra-flat flanges for hermetic, leak-proof sealing and serve as a direct, drop-in replacement for traditional aluminum foil. Backed by our vertically integrated manufacturing facilities, HSQY guarantees precise dimensional consistency, metal-detector safety, and reliable bulk supply for global food brands and airline caterers.

The HSQY Advantage: Overcoming Thermal & Processing Challenges

Extreme Thermal Shock Endurance: Unlike standard plastics that melt or shatter, our specialized crystallization process ensures the tray remains structurally rigid and safe from -40°C deep freeze up to +220°C conventional oven temperatures without warping.
Ultra-Flat Flange for Leak-Proof Sealing: Liquid-rich meals require perfect seals. We guarantee exceptional flange flatness to ensure a hermetic, leak-proof bond with compatible lidding films, preventing spills even after transit vibrations and freezing expansion.
Metal-Detectable & Microwave-Safe: Solves the critical flaws of aluminum foil. Our CPET trays will not spark in consumer microwaves and will pass seamlessly through inline metal detectors on your food processing lines without triggering false rejects.
Lightweight & Stackable: Approximately 30% lighter than equivalent aluminum trays, reducing shipping costs while maintaining a compact, stackable profile for efficient cold-storage and automated filling lines.

Proven Applications Across the Food Industry

Airline Catering: Precision-molded to fit standard Atlas trolleys for safe, efficient, and lightweight in-flight meal reheating.
Retail Ready Meals: Premium presentation trays for supermarket chilled and frozen sections, allowing consumers to heat directly in the oven at home.
Institutional Food Service: Durable, leak-proof solutions for hospitals, schools, and "Meals on Wheels" programs requiring strict temperature control and secure distribution.
Central Kitchens: High-rigidity trays optimized for high-speed automated filling, gas-flushing, and heat-sealing lines.

Technical Specifications & Customization

Material: Crystallized Polyethylene Terephthalate (CPET)
Temperature Resistance: -40°C to +220°C (Dual-Ovenable: Microwave & Conventional Oven)
Cavity Layout: Single rectangular or square compartment for portion-controlled entrees
Standard Colors: Black (premium meat presentation), White, Natural/Custom
Sealing Compatibility: Engineered for modern heat-sealing machines and CPET-compatible lidding films
Certifications: FDA Compliant, BRC, ISO Certified for direct food contact

Popular Models in Our 1-Cavity Range

CPET-036: 600ml capacity, 118×118mm square design. Ideal for strict portion control, side dishes, and compact airline meal modules.
CPET-004: 770ml capacity, 187×137mm rectangular. The standard workhorse for larger, liquid-rich retail ready meals like pasta bakes and casseroles.
CPET-019: 620ml capacity, 187×137mm compact rectangular. Perfectly balanced for standard single-serve retail and institutional catering.
Custom Tooling: Bespoke mold development to match your specific branding, exact ml volumes, and automated sealing equipment.

Expert Selection Guide: Optimizing Your Packaging Line

Selecting the correct single-cavity tray is critical for preventing seal failures and oven warpage. Our engineers will help you define:

Volume & Expansion Allowance: Matching the exact ml capacity to your food product's expansion rate during blast freezing and oven heating to prevent overflow.
Lidding Film Synergy: Ensuring the tray's rim profile and material chemistry perfectly match your specific heat-seal films to guarantee a tamper-evident, leak-proof bond.
Brand Aesthetics: Utilizing custom colors or base embossing to elevate your premium ready-meal presentation on the retail shelf.

Frequently Asked Questions – 1-Cavity CPET Trays

Q1: Why should I replace traditional aluminum foil trays with 1-cavity CPET?

A: Aluminum foil trays have two major flaws: they cannot be used in microwaves (they cause sparking and fire hazards), and they trigger false rejects on food safety metal detectors. CPET solves both issues. It is 100% microwave-safe, passes through metal detectors seamlessly, is roughly 30% lighter (reducing shipping costs), and offers a premium, rigid presentation that foil cannot match.

Q2: How do you prevent sauce leaks in single-compartment trays during delivery?

A: Leaks almost always originate from an uneven sealing flange or incompatible lidding film. HSQY guarantees ultra-flat flange geometry through precision thermoforming and calibrated cooling. Furthermore, we provide fitment confirmation services—send us your lidding film specs or sealing machine details, and we will ensure our tray's rim profile creates a permanent, hermetic seal that survives blast-freezing and transit vibrations.

Q3: Can these trays truly withstand the shock of moving from a freezer to a hot oven?

A: Yes. Standard plastics will shatter or melt under these conditions. Our CPET undergoes a specialized crystallization process during manufacturing that elevates its heat deflection temperature while retaining impact resistance at sub-zero temperatures. This allows the tray to remain structurally rigid and safe from -40°C deep freeze directly into a +220°C conventional oven.

Q4: Do you offer custom molds for specific branding or unique volumes?

A: Absolutely. While we maintain a comprehensive library of standard, market-proven molds (such as the CPET-036, CPET-004, and CPET-019 series) for immediate wholesale, we fully support custom mold development. We can engineer proprietary shapes, specific ml volumes, custom Pantone colors, and base embossing for your logo to elevate your brand identity on the retail shelf.