Home » Edge Crush Test (ECT) Optimization for E-Commerce Shipments
Edge Crush Test (ECT) Optimization for E-Commerce Shipments
The Edge Crush Test (ECT) is a critical performance metric for corrugated boxes, directly correlating to stacking strength and load-bearing capacity. In the high-stress world of e-commerce shipping, where packages face frequent handling, multi-stop routes, and varying climates, optimizing ECT values without over-engineering is essential for cost efficiency and product protection.
Why ECT Matters in E-Commerce
- Stacking Strength: Determines how well boxes can withstand vertical loads in warehouse racking or trailer stacking.
- Material Efficiency: Allows engineers to achieve performance targets with lighter weight liners or mediums, reducing costs.
- Regulatory Alignment: Certain carriers and industry sectors specify minimum ECT ratings for compliance.
Balancing ECT and Basis Weight
- ECT vs. Mullen Burst: ECT measures column strength; Mullen measures resistance to puncture/tearing. E-commerce often favors ECT for stacked pallet loads.
- Lightweighting Strategies:
- Use high-performance recycled fiber blends to maintain stiffness.
- Incorporate higher-grade outer liners for localized reinforcement.
Design Variables That Influence ECT
- Flute Profile: B- and C-flutes offer different stiffness profiles. B-flute generally yields higher ECT for the same board weight.
- Adhesive Quality: Uniform glue lines prevent micro-buckling under compression.
- Moisture Resistance: High humidity can reduce ECT by up to 50%; moisture-resistant coatings help maintain performance.
Testing and Standards
- ASTM D642: Measures box compression strength.
- TAPPI T839: Determines edgewise compressive strength of corrugated fiberboard using the clamp method.
- ISTA Series: Full-scale distribution simulation, including drop, vibration, and compression under varying conditions.
Optimization in Practice
- Case Example: Switching from 44 ECT double-wall to 32 ECT single-wall with enhanced flute medium reduced material cost by 14% without increasing damage claims in a 90-day trial.
- Prototyping: Lab ECT data should be validated through route-specific field testing before large-scale rollout.
References
ASTM International. (2015). ASTM D642-15: Standard test method for determining compressive resistance of shipping containers. ASTM International. https://www.astm.org/d0642-15.html
Technical Association of the Pulp and Paper Industry. (2018). TAPPI T839 om-18: Edgewise compressive strength of corrugated fiberboard using the clamp method. TAPPI. https://www.tappi.org/content/store/shared/T839.html
International Safe Transit Association. (2018). ISTA 6-Series transit tests. ISTA. https://ista.org/
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Home » Edge Crush Test (ECT) Optimization for E-Commerce Shipments

Shipping goods can be a stressful experience, especially when you’re worried about their safety during transit. Corrugated boxes, due to their durable and versatile nature, are a preferred choice for many shippers. Here, we delve into the best practices for packing using corrugated boxes and how to ensure your contents remain protected throughout their journey. Best Practices for Packing: Choosing the Right Box Layering is Key Center the Items Limit Movement Seal Securely Label Clearly Protecting Contents During Transit: Quality is Paramount Corner Protectors Waterproofing Desiccants Avoid Overloading Handle with Care Labels Insure Your Shipments Best Practices for Packing Choosing the Right Box: The first step to secure packing is choosing the right-sized box. You don’t want too much empty space, as this can cause items to shift, but you also don’t want to overstuff the box. Ensure the box is sturdy and without damages. Layering is Key: Start with a layer of padding at the bottom of the box. This could be bubble wrap, packing peanuts, or crumpled newspaper. This acts as a cushion for your products. Center the Items: Place your items in the center of the box, ensuring they’re surrounded by cushioning on all sides. This minimizes the risk of damage from any potential impact during transit. Limit Movement: Use fillers like air pillows, foam, or crumpled paper to fill any voids in the box. This ensures items don’t move about during shipping. Seal Securely: Once everything is packed, seal the box with strong packing tape. Ensure all openings and seams are closed to prevent the ingress of moisture or dust. Label Clearly: Use a waterproof marker to label the contents and provide clear shipping instructions. Fragile items should be marked as such. Protecting Contents During Transit Quality is Paramount: Invest in high-quality corrugated boxes. They come with different wall structures – single, double, or triple wall. For heavier items or long-distance shipping, consider double or triple-wall boxes. Corner Protectors: For items that have sharp or fragile corners, like framed art, use corner protectors. They absorb shocks and reduce the risk of damage. Waterproofing: Consider wrapping items in a plastic wrap or placing them in sealable plastic bags before packing, especially if they’re susceptible to water damage. Desiccants: If shipping items sensitive to moisture, like electronics or certain types of food, add desiccants inside the box. These help absorb any moisture that might find its way inside. Avoid Overloading: Even with strong boxes, there’s a weight limit. Respect it. Overloading can compromise the box’s structural integrity. Handle with Care Labels: Use labels that indicate if a package needs to be handled with care or kept in a certain orientation. This informs handlers about how to treat the package. Insure Your Shipments: For high-value items, consider getting shipment insurance. This provides an added layer of protection in case of any unforeseen damages during transit. If you are interested in corrugated boxes, then partner with Brown Packaging today to get started. (714)300-0650 request@brownpackaging.com Most Recent Posts: Categories: Corrugated Ecommerce ESD Design Display Flexible Packaging Foam Folding Carton Packaging Plastic Packaging Pouch Printing Protection Retail Rigid Box Thermoform Sustainability Subscribe To Our Newsletter By submitting your information, you agree to our terms and conditions and privacy policy. Custom Corrugated Boxes Facebook Twitter LinkedIn Pinterest Relevant Posts

In the world of e-commerce and supply chain management, the need for reliable packaging materials cannot be overstated. From the careful encasing of fragile items to ensuring the safe transit of products, the choice of packaging material often makes a significant difference. In this blog, we delve into the world of protective packaging materials, comparing two popular options: foam and paper. Understanding Protective Packaging Before we compare foam and paper, it’s important to understand what protective packaging entails. Protective packaging, as the name suggests, is designed to shield products from damage during storage or transit. This damage could come in many forms such as shock, vibration, abrasion, or environmental factors such as moisture or temperature fluctuations. Foam Packaging: Advantages and Disadvantages Advantages of Foam Packaging Superior Cushioning Foam is known for its exceptional cushioning properties. It’s capable of absorbing and dispersing impact, which reduces the risk of damage to fragile or sensitive items. This makes it a favored choice for electronics, ceramics, glassware, and other delicate items. Versatility Foam can be customized into different shapes and sizes, making it a versatile choice for different products. This adaptability means it can be tailored to fit unusual shapes or to snugly encapsulate specific items. Lightweight Foam is extremely light, which can help reduce shipping costs. This lightweight property doesn’t compromise its protective capabilities, though, as foam still offers excellent shock absorption. Disadvantages of Foam Packaging Environmental Impact One of the major disadvantages of foam is its environmental impact. Foam is typically non-biodegradable and can take hundreds of years to decompose. Even when recycled, the process can be energy-intensive. Cost Compared to other packaging materials, foam can be relatively expensive. The cost of foam packaging includes not only the material itself but also the cost associated with its disposal or recycling. Paper Packaging: Advantages and Disadvantages Advantages of Paper Packaging Eco-Friendly Paper packaging stands out for its environmental friendliness. It is biodegradable and easily recyclable, causing much less environmental harm compared to foam. Additionally, many paper packaging options are made from recycled materials. Cost-Effective Paper is generally less expensive than foam. Its cost-effectiveness combined with its eco-friendliness makes it a popular choice for businesses conscious about their budget and environmental footprint. Versatility Just like foam, paper can be adapted into different forms to cater to different packaging needs. Corrugated paper, Kraft paper, tissue paper, and more offer varying levels of protection and can be customized to fit different products. Disadvantages of Paper Packaging Lower Cushioning While certain forms of paper packaging, like corrugated, offer reasonable cushioning, they often don’t match the shock-absorbing qualities of foam. This makes paper less suitable for extremely fragile items. Susceptibility to Environmental Factors Paper is more susceptible to environmental factors like moisture, which could potentially harm the product inside. So, Foam or Paper? The choice between foam and paper for protective packaging depends largely on the specific requirements of the product to be packaged, the company’s budget, and its sustainability goals. If the product is highly fragile or sensitive, foam might be the preferred option for its superior cushioning properties. However, for companies with strong eco-friendly policies or for less fragile products, paper packaging might be a better choice due to its biodegradability, recyclability, and cost-effectiveness. In conclusion, both foam and paper have their place in the world of protective packaging. Understanding the benefits and drawbacks of each can help businesses make informed decisions that align with their operational needs and environmental responsibilities. As sustainability continues to become a more prominent factor in consumer choice, it’s likely that we’ll continue to see innovations in both these spaces to further enhance their protective qualities and environmental credentials. (714)300-0650 request@brownpackaging.com Most Recent Posts: Categories: Corrugated Ecommerce ESD Design Display Flexible Packaging Foam Folding Carton Packaging Plastic Packaging Pouch Printing Protection Retail Rigid Box Thermoform Sustainability Subscribe To Our Newsletter By submitting your information, you agree to our terms and conditions and privacy policy. Custom Packaging Facebook Twitter LinkedIn Pinterest Relevant Posts

In today’s fast-paced world, protective packaging plays a crucial role in safeguarding products during transportation, handling, and storage. It acts as a shield against various external factors, including impacts, vibrations, moisture, temperature variations, and more. However, businesses often face the challenge of balancing the cost of packaging materials and the level of protection required. This blog explores the delicate balance between cost and protection and provides detailed insights into optimizing packaging choices. Understanding the Importance of Protective Packaging Protective packaging serves two primary purposes: preserving product integrity and minimizing damage risks. Whether it’s fragile electronics, delicate glassware, or perishable goods, proper packaging ensures that products reach customers in pristine condition. It helps prevent loss, enhances customer satisfaction, and maintains brand reputation. 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Packaging engineers can create innovative designs that achieve optimal protection while using fewer materials. Utilizing standardized packaging sizes can improve efficiency in terms of storage space, transportation, and handling. Testing and Prototyping Conducting thorough testing and prototyping can help identify the minimum level of protection required. By simulating real-world conditions, businesses can determine the most cost-effective packaging solution that meets the necessary protective standards. Testing may involve drop tests, compression tests, or vibration tests. Supply Chain Collaboration Collaborating with suppliers and logistics partners can provide valuable insights into cost-effective protective packaging solutions. By working together, it’s possible to identify opportunities for efficiency improvements and cost reduction. Partnerships can also facilitate the sharing of best practices and industry knowledge. Sustainable Packaging Solutions In recent years, sustainability has become a significant concern for both businesses and consumers. Balancing cost and protection while also addressing environmental considerations is essential. Opting for eco-friendly materials, reducing packaging waste, and adopting recyclable or biodegradable options can align cost savings with environmental responsibility. These measures can enhance brand reputation, attract eco-conscious customers, and contribute to a greener future. If you are interested in protective packaging or packaging designed to protect your product, then partner with Brown Packaging today. Our experts will help you maintain cost, while optimizing your product’s protection. (714)300-0650 request@brownpackaging.com Most Recent Posts: Categories: Corrugated Ecommerce ESD Design Display Flexible Packaging Foam Folding Carton Packaging Plastic Packaging Pouch Printing Protection Retail Rigid Box Thermoform Sustainability Subscribe To Our Newsletter By submitting your information, you agree to our terms and conditions and privacy policy. Custom Packaging Facebook Twitter LinkedIn Pinterest Relevant Posts