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The size hole to drill for epoxy anchor bolts depends on the bolt's diameter and the manufacturer's recommendations. Generally, the hole diameter should be slightly larger than the bolt to allow room for the epoxy. For example, for a 1/2" anchor bolt, you might drill a 5/8" diameter hole. The depth of the hole should be at least as deep as the bolt's embedment requirement, often 10-12 times the bolt's diameter. It's crucial to clean the hole thoroughly before injecting epoxy to ensure maximum holding strength. Always consult the epoxy and anchor manufacturer's guidelines for the specific size and installation instructions, as the requirements can vary based on the product and application.
The pressure a PVC pipe can hold depends on the pipe's diameter and the wall thickness, both factors influencing its schedule rating (i.e., Schedule 40, 80, etc.). Generally, a standard 1-inch Schedule 40 PVC pipe is rated for a maximum operating pressure of around 450 pounds per square inch (psi), while Schedule 80 pipes of the same diameter can handle pressures up to 630 psi. It's crucial to consult the manufacturer's specifications for the exact pressure ratings, as these can vary. Using a pipe within its recommended limits ensures safety and longevity, so always reference the specific PVC pipe's rating for your application.
Zircon is a highly sought-after mineral that is present in various locations all around the world. The top countries known for producing zircon include Australia. South Africa. India. Mozambique. China. and the United States. These countries have significant reserves of zircon and are major contributors to its global production. For instance. Australia holds the largest reserves and is currently the top producer of zircon worldwide. Meanwhile. South Africa's main deposits can be found in Richards Bay and KwaZulu-Natal. Likewise. India has sizable deposits along its coasts in Kerala. Tamil Nadu. and Orissa. Mozambique also has extensive quantities of zircon within its sandy areas. In China. zircon reserves are particularly abundant in provinces such as Hainan. Guangdong. and Guangxi. In the USA. although there are several states with zircon deposits scattered throughout them. most of the production comes from southeastern states.
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