T/CPCIF 0225-2022 Active Group standards

T/CPCIF 0225-2022 Polyformaldehyde

Publish Date: 2022-09-15 Implement Date: 2022-12-15 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/CPCIF 0225-2022

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Chemical industry

ICS Name: Aldehydes and ketones

Publish Date: 2022-09-15

Implement Date: 2022-12-15

Scope

Scope: This document specifies the product classification, requirements, test methods, inspection rules, marking, labeling and accompanying documents, packaging, transportation and storage, as well as safety of paraformaldehyde. This document is applicable to paraformaldehyde produced by spray granulation or rake drying using formaldehyde as the raw material. Main technical contents: **Item** **Requirements** Spray granulation Rake drying **Type I** **Type II** **Type III** Paraformaldehyde (calculated as HCHO), w/w % ≥97.0 ≥95.0 ≥95.0 Acid value (calculated as HCOOH), w/w % ≤0.01 ≤0.03 pH value 4.0–8.0 4.0–8.0 Ash content, w/w % ≤0.1 ≤0.6 Iron (Fe), w/w % ≤0.001 ≤0.004