Description
Product Overview
HARTLINE Rockite Expansion Cement is a high-performance contact cement designed for industrial and construction applications. Made from a low-viscosity powder, it bonds metal and concrete permanently without shrinking. It sets in just 15 minutes and develops a compression strength of 4500 lbs per square inch. Ideal for anchoring bolts, posts, screws, hooks, signs, and more. The product is water resistant and suitable for both indoor and outdoor use. Manufactured in the United States, it is packaged in a 16-ounce bottle and is part of the HARTLINE 10001 series.
Usage
This cement is used in construction, repair, and industrial settings where strong, permanent bonds are required. It is ideal for anchoring hardware such as bolts, posts, screws, hooks, signs, and more. It is suitable for both metal and concrete surfaces and is water resistant, making it ideal for use in humid or wet environments. The product is commonly used by contractors, DIY enthusiasts, and industrial workers who need a fast-setting, high-strength adhesive.
Why Choose Us
HARTLINE Rockite Expansion Cement offers unmatched strength and bonding qualities. It sets in 15 minutes, does not shrink, and develops a compression strength of 4500 lbs per square inch. The product is water resistant and suitable for both indoor and outdoor use. It is manufactured in the United States and comes with a warranty. The product is backed by a reliable manufacturer, Jensen (Home Improvement), and is part of the HARTLINE 10001 series.
Key Features
- Unexcelled strength and bonding qualities for permanent adhesion
- Fast setting time of 15 minutes for quick project completion
- Water resistant for use in humid or wet environments
- Develops 4500 lbs per square inch compression strength for heavy-duty applications
- Comes with a warranty and is backed by a reliable manufacturer
FAQ
How long does it take for HARTLINE Rockite Expansion Cement to set?
It sets in 15 minutes, making it ideal for quick repairs and installations.
Can this cement be used on both metal and concrete surfaces?
Yes, it bonds metal and concrete permanently and is suitable for both materials.
Is this cement water resistant?
Yes, it is water resistant and suitable for use in humid or wet environments.
What is the compression strength of this cement?
It develops a compression strength of 4500 lbs per square inch, making it ideal for heavy-duty applications.
Is this product discontinued?
No, it is not discontinued and is still available for purchase.







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