GB/T 14463-2022 in English
VALIDViscose staple fiber
- Issued on:2022-04-15
- Implemented on:2022-11-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
Price(USD)：
$160.00
$156.00
$156.00
| Standard No: | GB/T 14463-2022 |
| Document status: | VALID |
| Title in English: | Viscose staple fiber |
| Title in Chinese: | 粘胶短纤维 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Via email within 1~3 business days |
| Issued on: | 2022-04-15 |
| Implemented on: | 2022-11-01 |
| Superseding: |
GB/T 14463-2008 Viscose staple fiber
|
| ICS Classification: | 59.060.20-Man-made fibres |
| Professional Classification: | GB-National Standard |
| Related Keywords: | fiber classification system fiber
staple fiber introduction analysis productsthree-order standard structure abnormal fiber fiber fine denier fibers |
| Related Topics: | collagen fibril degeneration
polyester fiber adhesive fiber adhesive collagen fiber food fibrobones Viscose Viscose fiber Collagen Fiber Chemicals fiber optic glue viscose long fiber GBT14463 GB/T 14463-1993 GB/T 14463-2008 GB/T 14463-2022 Viscose staple fiber Viscose fiber manufacturing autonomous region Mint modified viscose short fiber Viscose fiber emissions |
《GB/T 14463-2022粘胶短纤维》由TC586（全国化学纤维标准化技术委员会）归口，主管部门为国家标准化管理委员会。
Introduction
Analysis of the core revisions of the new standard
Compared with the 2008 version, GB/T 14463-2022 deletes three non-essential terms and adds a definition and index system for fine denier fibers. The technical architecture adopts the classification + performance mirroring mode to form a 5-product matrix of fine denier, cotton type, medium and long type, wool type, and curly wool type.
Innovation of fiber classification system
| Fiber category | Linear density (dtex) | Central value |
|---|---|---|
| Fine denier type | 0.66-1.11 | Dry elongation at break ≥19% |
| Cotton type | 1.11-2.22 | Whiteness M2≥80% |
| Medium and long type | 2.22-3.33 | Curl control span ±3 |
Evolution of key technical indicators
Taking fine denier superior products as an example, coke parameters are upgraded:
- Dry breaking strength increased from 2.10 to 2.25 cN/dtex
- The allowable value of defects is compressed by 35% (historical comparison with 2017 industry data)
- Added a new residual sulfur classification assessment to systematically control ecological risks
Quality control paradigm deduction
| Inspection dimensions | 2008 edition | 2022 edition |
|---|---|---|
| Grade division | Including substandard products | Three-order standard structure |
| Abnormal fiber control | Limited length content | Add double detection of oily yellow fibers |
| Numerical limit processing | Fixed agreed value | Center value induced calculation (M ±Δ) |
Implementation suggestions for the industrial chain
- Raw material pretreatment:Through pulp moisture content analysis, CV value is controlled ≤1.5%
- Inspection optimization: Electronic weighing replaces mechanical sampling to reduce the risk of length deviation
- Inspection extension: Whiteness index needs to be equipped with automatic detection equipment MA169
Sample only — not a preview of GB/T 14463-2022
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