Glass, stainless steel and some plastics are food grade.

玻璃，不锈钢和一些塑料就属于食品级材料。

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The gasket among unions adopts food grade material.

快接件的垫圈全部采用可食用级材料；

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Bristles and brush handles are made of food grade materials that are more durable and safer to use.

刷毛和刷柄部分都使用了食用级别的材料注塑而成，使用起来更耐用和更安全。

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"But it did cause major disruptions in the availability of food-grade corn.

VOA: special.2011.03.08

Born from a need to re-create mixed drinks in perfect proportion, Bartendro uses food-grade tubing, pumps and custom-built electronics to pipe liquids out with a measurement accuracy of a milliliter.

ENGADGET

He discovered a trade publication called Flexible Packaging and in it, found a manufacturer in California that could recreate the pouches used by Andros and Materne: a blend of recyclable, food-grade plastic and aluminum, with a resealable pouch that could hold 90 grams of applesauce.

FORBES: Magazine Article

With a population of 4, 500, it takes about 20 minutes to case its tourist offerings, including a McDonald's, for those who want to douse their nature experience with a bit of low-grade fast food.

FORBES: Rocky Mountain High, Canadian-Style