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Heavy Duty Single Wall Corrugated Boxes

ECT-44 | 275 Lbs Test Burst Strength

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Heavy Duty Single Wall Corrugated Boxes Features

  • Heavy-duty construction provides greater protection and stacking strength
  • Manufactured from heavy-duty 275#/ECT-44 single wall kraft corrugated
  • These cartons are 40% stronger than standard shipping containers
  • Sold and shipped flat in bundle quantities
See More Technical Specifications


Pack Kontrol® Heavy Duty Single Wall Corrugated Boxes are highly diverse and come in a wide range of shapes and sizes. The reinforced ECT-44 and 275# ratings make these some of the best boxes to use for any product that needs strong, secure, and reliable packaging. Pack Kontrol® Heavy Duty Single Wall Corrugated Boxes are up to 40% stronger than the industry standard box, for when the job needs to be done well with no compromises. All corrugated boxes ship and store flat to save space.

Are we missing the specification you need? Please go to our Contact Us page and submit your question to us, or call 1-877-284-7760

Dimensions are indicative of  the box’s internal dimensions.

275# is a classification derived from the Mullen Test of a box’s bursting strength. A 275# rating means 275 pounds of force per square inch are required to break through the side of the box. ECT-44 is a classification derived from an Edge Crush Test of a box’s stacking strength. Single layer “Heavy Duty” corrugated cardboard boxes have a minimum rating of 275# and ECT-44. They may be stronger than the minimum subject to individual and random variation. The recommended loading limit per carton is 95 pounds.

Click the image below to enlarge it.

We have a 30-day return policy, which means you have 30 days after receiving your item to request a return.

To be eligible for a return, your item must be in the same condition that you received it, and in its original packaging. You’ll also need the receipt or proof of purchase.

To start a return, you can fill out the ORDER RETURN FORM HERE. If your return is accepted, we’ll send you the instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.

DEFECTIVE, DAMAGED, OR INCORRECT ITEMS SHIPPED

If you have received a defective, damaged, or incorrect product, do not worry! Please contact us by phone or the Contact Us Form within five (5) days of receiving the product, along with the invoice or packing slip, to schedule a return. We will replace these products at no additional cost. Please keep in mind that we may require photos for documentation and to authorize call tags for returns.

Because we put our customers’ experience first, any defective, damaged, or incorrectly shipped products by CTAM, or by our manufacturers, will be re-shipped at our expense. We will also provide you with a return shipping label with detailed shipping instructions.

Please note that if the item is damaged as a result of the customer’s actions, then a return will not be approved, and the damaged items will be discarded. If the customer wants to keep the damaged items, they must first cover the shipping fees, after which the company will return the damaged items. After the five (5) day time has expired, CTAM will not be responsible for any defective, damaged, or incorrect items, regardless of who is at fault.

Exceptions / non-returnable items
Certain types of items cannot be returned, like custom products (such as special orders or personalized items). Please get in touch if you have questions or concerns about your specific item. Certain Items will Carry restocking fees for us to take back into our stock, This is due to items being made to order or for being an oversized item.

Exchanges

The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.

Refunds
We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method. Please remember it can take some time for your bank or credit card company to process and post the refund too.

Have a question that is not answered here? Please go to our Contact Us page and submit your question to us.


Request a Quote

Looking for a quotation ? We would be happy to help by providing a quick response, inventory status, and Volume Level pricing, when available. Please fill out the form below and a representative will be in touch with you within hours to one business day to answer any questions and quote your request.

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Product Details

Pack Kontrol® Heavy Duty Single Wall Corrugated Boxes are highly diverse and come in a wide range of shapes and sizes. The reinforced ECT-44 and 275# ratings make these some of the best boxes to use for any product that needs strong, secure, and reliable packaging. Pack Kontrol® Heavy Duty Single Wall Corrugated Boxes are up to 40% stronger than the industry standard box, for when the job needs to be done well with no compromises. All corrugated boxes ship and store flat to save space.

Product Specifications

Are we missing the specification you need? Please go to our Contact Us page and submit your question to us, or call 1-877-284-7760

Dimensions are indicative of  the box’s internal dimensions.

275# is a classification derived from the Mullen Test of a box’s bursting strength. A 275# rating means 275 pounds of force per square inch are required to break through the side of the box. ECT-44 is a classification derived from an Edge Crush Test of a box’s stacking strength. Single layer “Heavy Duty” corrugated cardboard boxes have a minimum rating of 275# and ECT-44. They may be stronger than the minimum subject to individual and random variation. The recommended loading limit per carton is 95 pounds.

Click the image below to enlarge it.

Product Manuals

Frequently Asked Questions

Have a question that is not answered here? Please go to our Contact Us page and submit your question to us.


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We have a 30-day return policy, which means you have 30 days after receiving your item to request a return.

To be eligible for a return, your item must be in the same condition that you received it, and in its original packaging. You’ll also need the receipt or proof of purchase.

To start a return, you can fill out the ORDER RETURN FORM HERE. If your return is accepted, we’ll send you the instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.

DEFECTIVE, DAMAGED, OR INCORRECT ITEMS SHIPPED

If you have received a defective, damaged, or incorrect product, do not worry! Please contact us by phone or the Contact Us Form within five (5) days of receiving the product, along with the invoice or packing slip, to schedule a return. We will replace these products at no additional cost. Please keep in mind that we may require photos for documentation and to authorize call tags for returns.

Because we put our customers’ experience first, any defective, damaged, or incorrectly shipped products by CTAM, or by our manufacturers, will be re-shipped at our expense. We will also provide you with a return shipping label with detailed shipping instructions.

Please note that if the item is damaged as a result of the customer’s actions, then a return will not be approved, and the damaged items will be discarded. If the customer wants to keep the damaged items, they must first cover the shipping fees, after which the company will return the damaged items. After the five (5) day time has expired, CTAM will not be responsible for any defective, damaged, or incorrect items, regardless of who is at fault.

Exceptions / non-returnable items
Certain types of items cannot be returned, like custom products (such as special orders or personalized items). Please get in touch if you have questions or concerns about your specific item. Certain Items will Carry restocking fees for us to take back into our stock, This is due to items being made to order or for being an oversized item.

Exchanges

The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.

Refunds
We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method. Please remember it can take some time for your bank or credit card company to process and post the refund too.

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