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§177.2355 用矿物质增强的尼龙树?Mineral reinforced nylon resins)

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放大字体缩小字体2011-10-13 11:29:11 来源9a href="http://www.law.cornell.edu/cfr/text/21/177/2355" target="_blank" rel="nofollow">GPO浏览次数9span id="hits">3850
核心提示:用矿物质增强的尼龙树脂,是177.1500中所指的并符合其质量指标的尼?6组成,用量不超过40%的硅酸钙和其用量不超过硅酸钙?.5%?-(三乙氧基甲硅烷基)丙胺增强而成。用矿物质增强的尼龙树脂可含有其量不超过0.2%的二氧化钛作为辅料。用溶剂在回流温度下浸提24h,每一溶剂的总浸提物量应不超?mg/in2的食品表面,本节(c)(1)中所得的浸提物,经灼烧后的灰分,不得超过0.5mg/in2的食品接触表面、/div>
发布单位
FDA
FDA
发布文号 42 FR 61594
发布日期 1977-12-06 生效日期 暂无
有效性状?/th> 废止日期 暂无
备注 用矿物质增强的尼龙树脂,?77.1500中所指的并符合其质量指标的尼?6组成,用量不超过40%的硅酸钙和其用量不超过硅酸钙?.5%?-(三乙氧基甲硅烷基)丙胺增强而成。用矿物质增强的尼龙树脂可含有其量不超过0.2%的二氧化钛作为辅料。用溶剂在回流温度下浸提24h,每一溶剂的总浸提物量应不超?mg/in2的食品表面,本节(c)(1)中所得的浸提物,经灼烧后的灰分,不得超过0.5mg/in2的食品接触表面、/td>

177.2355 Mineral reinforced nylon resins


   Mineral reinforced nylon resins identified in paragraph (a of this section may be safely used as articles or components of articles intended for repeated use in contact with nonacidic food (pH above 5.0 and at use temperatures not exceeding 212 F. in accordance with the following prescribed conditions:

  (a For the purpose of this section the mineral reinforced nylon resins consist of nylon 66, as identified in and complying with the specifications of 177.1500, reinforced with up to 40 weight percent of calcium silicate and up to 0.5 weight percent 3-(triethoxysilyl propylamine (Chemical Abstracts Service Registry No. 000919302 based on the weight of the calcium silicate.

  (b The mineral reinforced nylon resins may contain up to 0.2 percent by weight of titanium dioxide as an optional adjuvant substance.

  (c The mineral reinforced nylon resins with or without the optional substance described in paragraph (b of this section, and in the form of 1/8 -inch molded test bars, when extracted with the solvents, i.e., distilled water and 50 percent (by volume ethyl alcohol in distilled water, at reflux temperature for 24 hours using a volume-to-surface ratio of 2 milliliters of solvent per square inch of surface tested, shall meet the following extractives limitations:

  ? Total extractives not to exceed 5.0 milligrams per square inch of food-contact surface tested for each solvent.

  ? The ash after ignition of the extractives described in paragraph (c)(1 of this section, not to exceed 0.5 milligram per square inch of food-contact surface tested.

  (d In accordance withgood manufacturing practice, finished articles containing the mineral reinforced nylon resins shall be thoroughly cleansed prior to their first use in contact with food.

    [42 FR 54533, Oct. 7, 1977, as amended at 42 FR 61594, Dec. 6, 1977]

地区9/font>美国
标签9/font>矿物?nbsp;辅料
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