Product Specification

Plastic Film Shrink Thermal Film Heat Shrinkage Tester Test Equipment Machine

The Heat Shrinkage Tester is a precision laboratory instrument designed to evaluate the thermal shrinkage properties of plastic films and sheeting under controlled conditions. In industries such as packaging, food, beverage, pharmaceuticals, and materials research, understanding how films behave when exposed to heat is crucial for ensuring product stability, sealing performance, and overall package quality. By using advanced thermal control and high-accuracy measurement systems, the Heat Shrinkage Tester helps manufacturers and laboratories comply with international testing standards and deliver reliable results.

Why Heat Shrinkage Testing Matters

Plastic films are widely used in packaging due to their versatility, barrier properties, and cost-effectiveness. However, films often undergo dimensional changes when exposed to elevated temperatures during processing, storage, or product sterilization. These changes can compromise packaging integrity, leading to leakage, poor sealing, or distortion of the final product. A Heat Shrinkage Tester provides quantitative data on the shrinkage behavior of films, allowing manufacturers to:

• Assess dimensional stability under heat conditions.

• Optimize material formulations for better performance.

• Meet international quality and safety standards such as ASTM D2732 and ISO 11501.

• Reduce production risks and customer complaints related to film packaging failures.

Test Principle

The Heat Shrinkage Tester measures the degree of unrestrained linear thermal shrinkage of plastic films and sheeting in a controlled fluid medium. When a specimen is exposed to a pre-set temperature, its shrinkage rate is determined precisely. The instrument employs P.I.D. temperature control for stable heating, ensuring reproducibility of results.

Key Features

• Advanced P.I.D. Temperature Control – Guarantees consistent heating with ±0.3°C accuracy.

• High-Precision Timer – Ensures repeatable testing results.

• Alarming Function – Provides operational safety and user reminders.

• Stable Fluid Medium Heating – Maintains consistent test environment.

• Standard Square Metal Clamp and Free Shrink Holder – Conforms to ISO 11501 specifications.

Technical Specifications

Compliance with International Standards

The Heat Shrinkage Tester complies with major global test standards, including:

• ASTM D2732 – Standard Test Method for Unrestrained Linear Thermal Shrinkage of Plastic Film and Sheeting.

• ISO 11501 – Measurement of free shrinkage in plastic films.

• GB/T 13519 – National standard for thermal shrinkage testing in China.

By aligning with these standards, laboratories can ensure consistent results and enhance credibility in quality control.

Applications Across Industries

The Heat Shrinkage Tester is widely applied in industries such as:

• Food & Beverage Packaging – Ensures plastic films maintain stability during filling, heat sealing, and sterilization.

• Pharmaceutical Packaging – Validates film performance for blister packs, medical pouches, and sterile containers.

• Industrial Films & Laminates – Tests thermal shrinkage behavior of composite materials used in electronics and protective coatings.

• Research & Academia – Provides reliable data for universities and R&D labs studying polymer properties.

Benefits for Quality Assurance

1. Improved Packaging Integrity – Detects potential shrinkage issues before products reach the market.

2. Regulatory Compliance – Supports certification processes by conforming to ASTM, ISO, and GB standards.

3. Reduced Manufacturing Risks – Minimizes chances of leakage, film distortion, or sealing defects.

4. Cost Optimization – Helps select suitable materials, reducing waste and product recalls.

Why Choose Cell Instruments’ Heat Shrinkage Tester

Cell Instruments specializes in material testing instruments for packaging, pharmaceuticals, food, textiles, and more. Our Heat Shrinkage Tester (Film Free Shrinkage Tester) offers advanced technology, intuitive operation, and long-term reliability. With years of experience in laboratory equipment design, we ensure our instruments meet the strictest global standards and deliver repeatable results that laboratories and manufacturers can trust.

Conclusion

The Heat Shrinkage Tester is a vital instrument for quality assurance in industries relying on plastic films. By providing accurate, repeatable, and standards-compliant shrinkage measurements, it helps ensure packaging performance, product safety, and customer satisfaction. Whether you are in packaging, food production, or medical device manufacturing, this tester is an essential tool for material evaluation and R&D.