What is an Optical Answer Sheet?

The standard specifies the product classification, technical requirements, test methods, inspection rules and signs, packaging, transportation, and storage of optical character reading paper. This standard applies to the optical character reading paper used in photoelectric input technology. ^[1-2]

Optical character reading paper

Standard Type: Product

Standard category: National Standard

Chinese Standard Document Classification (CCS Classification): Light Industry, Culture & Lifestyle >> Papermaking >> Paper

International Standard Classification (ICS): Paper Technology >> Paper and Paperboard

Number of standard pages: 8 pages

Competent authority: 607 China Light Industry Federation

Focal unit: 469-141 National Technical Committee for Standardization of Paper Industry

Drafting units: China Pulp and Paper Research Institute, China Paper Association Standardization Professional Committee, National Paper Quality Supervision and Inspection Center

Drafted by: Qiu Wenlun

Foreword to the standard: This standard is based on the original light industry standard QB / T 2465-1999 Optical Character Reading Paper "Optical Character Reading Paper".
This standard was proposed by the China Light Industry Federation.
This standard is under the jurisdiction of the National Paper Industry Standardization Technical Committee.
This standard was drafted: China Pulp and Paper Research Institute, China Paper Association Standardization Professional Committee, National Paper Quality Supervision and Inspection Center.
The main drafter of this standard: Qiu Wenlun.

The clauses in the following documents have become the clauses of this standard after being referenced. For dated quoted documents, all subsequent amendments (excluding the content of errata) or revised versions are not applicable to this standard.However, parties who have reached an agreement in accordance with this standard are encouraged to study whether the latest versions of these documents can be used . For undated references, the latest version applies to this standard.
GB / T450 Paper and cardboard samples taken and the measurement of the longitudinal and negative sides of the samples (GB / T 450-2008 Paper and cardboard samples taken and the measurement of the longitudinal and negative sides of the samples, ISO 186-2002 paper And cardboard. Determination of average mass sampling, MOD)
GB / T451.1 Determination of paper and paperboard size and skewness GB / T451.2 Paper and paperboard quantitative determination (GB / T 451.2-2002 Paper and paperboard quantitative determination, EQVISO 536-1995 paper and paperboard. Gram Determination)
GB / T451.3 Determination of paper and board thickness (GB / T 451.3-2002 Paper and board thickness determination, IDTISO 534-1988 paper and board. Determination of sheet thickness (and calculation of apparent density of paper board))
GB / T455 Paper and paperboard tearing test (GB / T 455-2002 Paper and paperboard tearing test, EQVISO 1974-1990 Paper tearing test (Elmendorf method))
GB / T456 Determination of paper and board smoothness (Buick method) (GB / T 456-2002 Determination of paper and board smoothness (Buick method), IDTISO 5627-1995 Determination of paper and board smoothness (Buick method))
GB / T 460-2008 Paper sizing degree determination Paper sizing degree determination GB / T 462 Paper, paperboard and pulp analysis sample moisture determination (GB / T 462-2008 Paper, paperboard and pulp analysis sample moisture determination ISO 287-1985 Paper and board-Determination of moisture content-Oven drying method, MOD;
ISO 638-1978 Pulp.Determination of dry matter content, MOD)
GB / T742 Determination of ash in papermaking raw materials, pulp, paper and paperboard (GB / T 742-2008 Determination of ash in papermaking raw materials, pulp, paper and paperboard, ISO 2144-1997 Paper, paperboard and pulp. Burning residues at 900 ° C (ash ), MOD)
GB / T1541 Determination of dustiness of paper and cardboard GB / T1543 Determination of opacity of paper and cardboard (paper backing) (diffuse reflection method) (GB / T 1543-2005 Determination of opacity of paper and cardboard (paper backing) ( Diffuse reflection method), ISO 2471-1998 Paper and wood board-Determination of opacity (paper backing)-Diffuse reflection coefficient method, MOD)
GB / T2828.1 Sampling Inspection Procedure for Counts Part 1: Batch Inspection Sampling Plan Retrieved by Receiving Quality Limit (AQL) (GB / T 2828.1-2003 Counting Inspection Procedure for Sampling Part 1: Retrieval by Reception Quality Limit (AQL) (Batch-by-batch inspection sampling plan, ISO2859-1: 1999, IDT)
GB / T7974 Determination of brightness (whiteness) of paper, paperboard and pulp by diffuse / vertical method (GB / T 7974-2002 Determination of brightness (whiteness) of paper, paperboard and pulp by diffuse / vertical method, NEQISO 2470-1999 paper , Wood board and pulp-blue diffuse reflection coefficient (ISO brightness))
GB / T7975 Determination of paper and board color (diffuse reflection method)
GB / T10342 Packaging and marking of paper GB / T10739 Standard atmospheric conditions for the processing and testing of paper, cardboard and pulp samples (GB / T 10739-2002 Standard atmospheric conditions for the processing and testing of paper, cardboard and pulp samples, EQVISO 187- (1990 Standard atmosphere for temperature and humidity treatment and testing of pulp, paper, and paperboard and its control procedures and steps for sample temperature and humidity treatment)
GB / T 12914 Determination of tensile strength of paper and paperboard (GB / T 12914-2008 Determination of tensile strength of paper and paperboard; ISO 1924-1: 1992, MOD; ISO1924-2: 1994, MOD)
GB / T22365 Determination of paper and board printing surface strength (GB / T 22365-2008 Paper and board printing surface strength determination, ISO 3783-1980 Paper and wood board-Determination of impregnation resistance-Acceleration using IGT detector (electric model) Method, MOD)