FZ/T 42015-2015 in English
VALIDMulberry silk and cotton blended spun silk yarn
- Issued on:2015-07-14
- Implemented on:2016-01-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$156.00
| Standard No: | FZ/T 42015-2015 |
| Document status: | VALID |
| Title in English: | Mulberry silk and cotton blended spun silk yarn |
| Title in Chinese: | 桑蚕丝/棉混纺绢丝 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Via email within 1~3 business days |
| Issued on: | 2015-07-14 |
| Implemented on: | 2016-01-01 |
| ICS Classification: | 59.080.20-Yarns |
| Chinese Classification: | W42-Silk yarns and threads |
| Professional Classification: | FZ-Textile |
| Related Keywords: | mulberry silk
mulberry silk content spun silk yarn introduction analysis traditional silk silk |
| Related Topics: | Mulberry silk
fz/t 54083-2015 silk spin fz/t+54083-2015 fz/t 62026-2015 silk press silk time silk instrument wild silkworm mulberry space silk space silk fz/t 64056-2015 Blended also used for silk Dyed silkworm silk Silk Ribbon Spinning solid content Practicing white mulberry silk fabric Steel wool execution fz/t62025-2015 fz/t 63031-2015 Mulberry silk products |
本标准规定了桑蚕丝/棉混纺绢丝的术语与定义、标示、要求、试验方法、检验规则、包装与标志。
本标准适用于经烧毛的桑蚕丝含量在50%以上，由传统绢纺生产线生产的本色双股桑蚕丝/棉混纺绞装和筒装绢丝。
Introduction
Analysis of the core content of the standard
The standard clearly defines silk/cotton blended silk as a two-ply blended product with a mulberry silk content of ≥50% produced using a traditional silk spinning production line, and includes a distinction between explicit inspection items and optional inspection items.
Key Technical Indicators
| Indicator Category | High Count (150-210Nm/2) | Medium Count (90-150Nm/2) | Low Count (50-90Nm/2) |
|---|---|---|---|
| Breaking Strength (cN/tex) | ≥21.0 | ≥16.0 | ≥16.0 |
| Strip Unevenness CV(%) | ≤14.5-20.5 | ≤12.5-16.5 | ≤10.5-12.5 |
| Defects per kilometer (number) | ≤1.00 | ≤1.50 | ≤2.00 |
Implementation points
Taking the blending ratio of S65/C35 as an example, the official moisture regain needs to be calculated according to GB 9994 weighted calculation:
Wmixed=(65×11% + 35×8.5%)/(65+35)=10.03%
Quality grading rules
- The lowest item in the main inspection items will be used for grade determination
- If the subsidy items exceed 3, the grade will be reduced by two
- The appearance defects are marked by accumulative annotation system
Analysis of standard evolution
This standard inherits the framework of FZ/T 42002 and 42003, and adds:
- Quantitative detection method for blended fibers
- Electronic yarn evenness CV value arbitration mechanism
- Special appearance inspection clause for packaged silk
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