发布单位:FDA
发布文号:21 CFR PART 178
发布日期:暂无
生效日期:暂无
有效性状态:
废止日期:暂无
备注:在符合本节(a)(b)规定的条件下,防腐剂可安全地用于包装、运输或保存生鲜农产品所用到的木质品。本节(b)中列出了可用于制作防腐剂的各种物质,其用量应不超过为达到木材防腐、防霉、防潮等工艺效果的必需量。
§178.3800 Preservatives for wood
Preservatives may be safely used on wooden articles that are used or intended for use in packaging, transporting, or holding raw agricultural products subject to the provisions of this section:
(a) The preservatives are prepared from substances identified in paragraph (b) of this section and applied in amounts not to exceed those necessary to accomplish the technical effect of protecting the wood from decay, mildew, and water absorption.
(b) The substances permitted are as follows:
List of substances | Limitations |
Copper-8-quinolinolate | |
Mineral spirits | |
Paraffin wax | Used singly or in combination so as to constitute not less than 50% of the solids. |
Petroleum hydrocarbon resin, produced by the homo- and copolymerization of dienes and olefins of the aliphatic, alicyclic, and monobenzenoid arylalkene type from distillates of cracked petroleum stocks | Do. |
Pentachlorophenol and its sodium salt | Not to exceed 50 p.p.m. in the treated wood, calculated as pentachlorophenol. |
Rosins and rosin derivatives | As provided in § 178.3870 . |
Code of Federal Regulations 443
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Zinc salt of sulfonated petroleum |