GB/T 7974-2002Paper, board and pulp - Measurement of brightness - Diff/Geometry (English PDF)
纸、纸板和纸浆亮度（白度）的测定 漫射/垂直法
GB/T 7974 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| GB/T 7974-2013 | Paper, board and pulps - Measurement of diffuse blue reflectance factor - D65 brightness (Diff/ Geometry, Outdoor daylight conditions) | Valid |
| GB/T 7974-2002 | Paper, board and pulp - Measurement of brightness - Diff/Geometry | Obsolete |
GB/T 7974-2002 is obsolete. It has been replaced by GB/T 7974-2013. This page sells the obsolete edition, for projects and contracts that still cite it.
This is a limited preview
Buy now to download the full PDF
Need quotation for your management?
Get a formal quotation for GB/T 7974-2002 in 30 minutes.
Issued by
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of China
Level / Type
National · Recommended
Issue date
October 15, 2002
Implementation date
April 1, 2003
Scope
GB/T 7974-2002 is the English-translated version of 纸、纸板和纸浆亮度（白度）的测定 漫射/垂直法.
GB/T 7974-2002 is the Chinese national standard "Paper, board and pulp - Measurement of brightness - Diff/Geometry". It was issued on October 15, 2002 by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China and the Standardization Administration of China, and took effect on April 1, 2003. It is obsolete: it has been replaced by GB/T 7974-2013.
Found what you need?
Document preview — GB/T 7974-2002
National Standard of the People's Republic of China
Issued by: General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of China
Contents
- Document data
1 Document data
Sector: National standard (Recommended).
Issuing body: General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Standardization Administration of China.
Date of issue: 2002-10-15.
Date of implementation: 2003-04-01.
Status: obsolete, replaced by GB/T 7974-2013.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.
Referenced standards
Cited by
- GB/T 1543-2026Paper and board - Determination of opacity(paper backing) - Diffuse reflectance method
- GB/T 33713-2026Process control requirements and measurement methods for heatset web offset printing
- GB/T 43393-2026Recycled pulp
- GB/T 13505-2025High purity insulating wood pulp
- GB/T 22823-2025Adhesive tape base paper
- GB/T 25042-2024Glass fibre membrane material for membrane structures
How to Download GB/T 7974-2002
- 1
Add to cart
Click "Download PDF" on this page and choose "Buy this standard". You can add more standards before checkout.
- 2
Checkout
Enter your email and billing details. Payment is processed securely by Stripe (cards or bank transfer). Prefer bank details? Request a quotation (min. order $300).
- 3
Instant delivery (0–9 sec)
Delivery is automatic: within seconds of payment you'll receive an email with a secure download link. The link stays valid for 72 hours.
- 4
Invoice included
A tax invoice is attached to the confirmation email. Need a custom invoice? Contact us.
Related Standards
GB/T 10003-2026 — Biaxially oriented polypropylene (BOPP) film
GB/T 10004-2026 — Plastic/Plastic laminated films and pouches for packaging
GB/T 10007-2026 — Rigid cellular plastics - Determination of shear properties
Secure payment via Stripe
Payments accepted
GB/T 7974-2002
$135.00