The phrase "approval of a material" is correct and usable in written English.
It can be used in contexts where you are discussing the acceptance or endorsement of a specific material, often in technical, manufacturing, or regulatory settings.
Example: "Before we proceed with production, we need to obtain the approval of a material that meets our quality standards."
Alternatives: "endorsement of a material" or "acceptance of a material".
The company was also cautious in describing the status of its financing from Texas Pacific, which it described as "subject to various conditions, including receipt of regulatory approvals, absence of a material adverse effect and completion of the debt financing," although it said it believed it would be able to pursue its turnaround if the financing fell through.
"We will now source a suitable alternative material and, subject to the approval of that material by the planning committee, set about replacing the cladding". The Terrace, which is managed by the council, contains workshops, studios and offices.
Eventually, a fellow named Casey Robinson offered me a two-picture contract, and I thought that wasn't too bad; he also offered me approval of the material...
Regulation on conditions to be met and procedure for the approval of basic material intended for the production of forest reproductive material of the categories qualified and tested.
Regulation on the requirements for the approval of basic material in the categories source-identified and selected, and on the list of approved basic material.
CVL made substantive contributions to review the study critically for intellectual content, and final approval of the material to be published.
But the approval of a license to handle radioactive materials is still a big step forward for a plan to bring back a storied, deeply controversial industry that boomed across many corners of the West before crashing in the 1980s.
Only the country's UN-backed government in Tripoli, which Haftar opposes, can bring in weapons and related material with the approval of a UN Security Council committee.
Hume offers a rather cryptic argument to show that our approval of material honesty must be the product of collaborative human effort (convention).
However, research ethics committees require completion and approval of material transfer agreements and data transfer agreements for biological samples and data collected for research purposes respectively and this requirement may partly address the concern raised by the regulatory authorities.
