Rectangular Concrete Mold: 6in x 6in x 22in Beam Molds

Rectangular Concrete Mold: 6in x 6in x 22in Beam Molds

Lightweight, stamped-steel, hinge-free beam mold is collapsible. Can be disassembled in to individual, interchangeable parts. Fastened with wingnuts. Uses flat insert strip and wedge insert panel. The one-piece mold ensures consistent quality test specimens. The mold has precise details, including exact dimensions, heavy construction and options for customization to fit your testing needs.

To remove specimens use a releasing agent inside the mold. The mold also has smooth edges on the finished concrete beams for appearance and performance.

Features:

• Disassembles for cleaning and storage

• 6x6in flexural beam samples are lighter and easier to store and handle

• Made of heavy-gauge steel

• We recommend coating the mold with a releasing agent before each use for smooth extraction of specimens

• When pouring concrete in the mold, make sure to fill the cavity completely and level the surface before the concrete sets for best results.

Wash the mold before the concrete sets for easy cleaning and smooth demolding.

Includes:

• Heavy-Gauge Steel Beam Mold

Accessories:

• Tamping Rods have hemispherical tips and are used when consolidating concrete beam or cylinder mold specimens

• Rubber Mallet has a 2.25in (57mm) hard rubber face for consolidating concrete in unit weight measures or removing specimen molds

Meets Standard(s):

• AASHTO R 39

• AASHTO T 23

• AASHTO T 97

• ASTM C192/192M

• ASTM C31/31M

• ASTM C403/403M

• ASTM C78/78M

View the full line of Concrete Beam Molds and Beam Testers

Description4in Plastic Beam Mold

Durable, one-piece made from heavy-duty plastic to cast concrete for flexural strength testing. Product description includes detailed instructions for use and customization for your project. Reinforcing ribs for added strength and stability. Simple and fast specimen removal. Users have found it easy to use and produces quality specimens. Whether you’re casting concrete beams for quality control, researching cube molds for compressive strength testing, or development, this plastic beam mold gives you true reliability and repeatable results every time.

Features and Benefits

Plastic Beam Mold has a durable one-piece , made from heavy-duty plastic, for durability and shock and abrasion resistance. Available in different colors for visual appeal and customization. Reinforcing ribs for added strength and stability. Use a releasing agent before each use for easy specimen removal. Users can also paint the finished concrete beams to match their project requirements. Meets ASTM standards for quality and performance. Robust and user-friendly, this plastic beam mold is a must have for any concrete testing laboratory and perfect for patio projects. Keep an open mind and think outside the box and use the mold to bring your ideas to life.

Specifications

• Mold size: 4 x 4x 15in (102 x 102 x381mm)

• Material: Heavy-duty plastic beam mold
  Resin-based molds are also available for certain applications, for durable and aesthetically pleasing results.

• Construction: Durable one-piece construction

• Reinforcing ribs: Engineered for added strength and stability

• Specimen removal: Simple and fast using compressed air or a releasing agent

• ASTM standards: Meets ASTM C31, C78, C192, and C293 standards

• Maximum quantity available: Please check current stock for purchase limits.

These specs ensure the plastic beam mold is reliable and efficient, produces high quality test specimens with ease. Our full range of products includes products such as 4 x 8in Concrete Cylinder Molds. custom molds for concrete testing.

When using the mold, make sure to place it on the prepared surface before pouring concrete to get the correct shape and results.

Mold Materials and Durability

Molds are available in various materials to meet specific needs and provide a smooth cavity surface for your concrete forms. Common options are heavy-duty plastic, cast-iron, steel, robust metal and flexible silicone. The material choice depends on the application—whether you’re creating walkways, patios or decorative features, there’s a mold for the job.

Many molds are designed to be reusable, making them a cost effective solution for sellers and buyers who need to create multiple concrete samples or forms. Durability is key; a well made mold can withstand repeated use and exposure to cement, plaster and other materials without losing its shape or effectiveness. This extends the life of the mold and gives you consistent high quality results every time.

To maintain a smooth cavity surface and prevent imperfections, keep the mold clean and free of dirt. Most molds are designed for easy cleaning, just wash away the residue and the mold is ready for the next use. Molds come in various sizes and shapes, so you can create unique designs and customized concrete forms for any project.

Safety Precautions

Working with molds requires attention to safety with a smooth process. Always wear protective gear, gloves and safety glasses to protect yourself from debris and chemicals in the concrete. Before placing the mold, make sure the prepared floor is level and clean—this prevents accidents and ensures your forms have a even professional finish.

When handling concrete and molds, use a trowel to pat and smooth the surface gently, don’t apply too much pressure that can cause the concrete to set unevenly. Keep both the mold and the surrounding area clean to prevent contamination and get a smooth surface on your finished product.

Follow the manufacturer’s instructions for the concrete mix and the mold to determine a safe and successful process. Be mindful of the weight and size of the mold when lifting or moving it, improper handling can cause injuries or damage. When shipping molds, choose a reliable method to verify they arrive in good condition, ready for your next project.

Applications of the Beam Mold

The Plastic Beam Mold is suitable for casting concrete for flexural strength testing in :

• Laboratory testing: Ideal for controlled environment where precision is critical

• Field testing: Durable enough for on-site testing.

• Quality control: For consistent and reliable results.

• Research and development: For experimental and developmental projects.

Proper pouring technique is important to avoid bad results, any residue left on the mold should be cleaned immediately. Recommended tools to use with the mold are trowels and tamping rods for best results.

Customers found the purchase easy and received their molds promptly. The secure checkout process offers multiple payment options. The seller is a verified business, professional and trustworthy. A refund policy is available if the product doesn’t meet your expectations. The price is very competitive for the quality, thousands of units have been sold already, that’s how popular it is. Customer reviews and feedback are always positive.

This makes the plastic beam mold a must have tool for professionals in the construction and testing industries

Best Practices for Concrete

Pour the concrete slowly and evenly into the mold to avoid air pockets and get a uniform finish. Use a trowel to smooth and finish the surface, don’t apply too much pressure. Let the concrete set and harden fully before removing it from the mold, follow the recommended time from the manufacturer.

If you see any gaps or cracks on the finished concrete, use a suitable grout or sealant to fill them, for a durable and long lasting result. Clean your concrete mold regularly—remove dirt and debris after each use to maintain the quality of your molds and the concrete forms they produce.

Mold Care and Storage

Store your concrete molds in a dry and secure location, away from direct sunlight and extreme temperatures to prevent warping or damage. Using a dedicated storage container or bag will help protect the mold from dust and accidental impacts. Don’t stack molds on top of each other, this can cause deformation and compromise the quality of your next concrete sample.

Inspect your molds regularly for wear or damage and repair or replace them as needed for consistent results. For added convenience and identification consider customizing your mold with a logo or unique design. Always follow the manufacturer’s instructions for storage to get the most out of your concrete molds and have them ready for your next project.

Ordering and Shipping

To order the 4in Plastic Beam Mold go to our website and follow the quote system for international customers. Set up a Customer Account, add the item to your cart and submit your cart for a quote. A local dealer or Humboldt representative will respond within 3 business days with pricing, including shipping and import duties, to your location. This will get your beam mold to you quickly and efficiently no matter where you are.

Benefits of a Concrete Beam Mold

Using a Concrete Beam Mold has many benefits:

• Consistent test specimens: For reliable and repeatable results.

• Durable and reusable mold: Made from heavy-duty materials for long term use.

• Maintain: Simple disassembly

• Meets ASTM and AASHTO standards: Complies with industry standards for quality and performance.

• Center or third-point loading: Versatile for different testing methods.

See our selection of Ductility Testers for more information.

These are the reasons why the concrete beam mold is a must have tool for any professional in the concrete testing and quality control industry.