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FZ/T 41001-2014: Mulberry spun silk material
Status: Valid FZ/T 41001: Evolution and historical versions
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Mulberry spun silk material
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Basic data | Standard ID | FZ/T 41001-2014 (FZ/T41001-2014) | | Description (Translated English) | Mulberry spun silk material | | Sector / Industry | Spinning & Textile Industry Standard (Recommended) | | Classification of Chinese Standard | W42 | | Classification of International Standard | 59.060.10 | | Word Count Estimation | 13,180 | | Date of Issue | 5/6/2014 | | Date of Implementation | 10/1/2014 | | Older Standard (superseded by this standard) | FZ/T 41001-1994 | | Quoted Standard | GB/T 8170; GB/T 9111; GB/T 26380 | | Regulation (derived from) | Ministry of Industry and Information Technology - Announcement 2014 No 32; Industry standards for filing notice 2014 No. 6 (total 174). | | Issuing agency(ies) | Ministry of Industry and Information Technology of the People's Republic of China | | Summary | This Standard specifies the length of spit, spit bar, stagnation head, the terms and definitions under cocoon coats and silkworm cocoon silk and other materials, requirements, grading requirements, test methods, inspection rules, packaging and marking. Th | FZ/T 41001-2014: Mulberry spun silk material---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Mulberry spun silk material
ICS 59.060.10
W42
People's Republic of China textile industry standards
Replacing FZ/T 41001-1994
Silkworm silk material
Issued on. 2014-05-06
2014-10-01 implementation
Ministry of Industry and Information Technology of the People's Republic of China released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
This standard is a revision of FZ/T 41001-1994 "silkworm silk material" in. Instead of the standard FZ/T 41001-1994. This standard
Compared with the FZ/T 41001-1994 main changes are as follows.
--- Increased spit strip requirements.
The standard proposed by China Textile Industry Association.
This standard by the National Standardization Technical Committee silk (SAC/TC401) centralized.
This standard was drafted. Zhejiang Silk Technology Co., Ltd., Jiangsu Suzie Silk Co., Ltd., Qingdao CIQ, Ann
Choi Hui-day Silk Co., Ltd. Jiaxing Jin Ying Silk.
The main drafters of this standard. Chen Song, Zhao Ling, Pan Lulu, Zhou Ying, Zhang Ying, Chen Xiaomei.
This standard replaces the standards previously issued as follows.
--- FJ287-1981;
--- FZ/T 41001-1994.
Silkworm silk material
1 Scope
This standard specifies the long spit, spit bars, head lag, the terms and definitions under cocoon coats and the like silkworm cocoon silk materials, requirements, grading regulations, inspection party
Method, inspection rules, packaging and identification.
This standard applies to assess the quality of the raw material silkworm silk.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 8170 repair value expressed about the rules and limit values and judgment
GB/T 9111 Test Method for Dried silkworm
GB/T 26380 Textiles Silk term
3 Terms and Definitions
GB/T 9111, GB/T 26380 and defined by the following terms and definitions apply to this document.
3.1
Article spit frison
Cocoon in the automatic silk reeling machines cable lines Rio produced silk thread is formed after treatment like silk thread.
4 Requirements
4.1 long spit
4.1.1 distinguish between the head and tail, neat lines was uniform bundles state, stiff bar, caking hard strip, lining less pupa cocoon.
1m and the length of each beam 4.1.2 above, mass (700 ± 100) g.
4.1.3 long spit grading each lot, the classification provisions in Table 1 and Table 2.
Table 1 long spit grading regulations --- the main test items
The main test items
grade
One two three four
Finishing Profiles
Lines neat uniform, head and tail points
Qing, head of small soft lumps
Neat lines, head and tail basic
Distinguish, head of small lumps
Slightly irregular lines irregular lines
Save practicing rate /% ≤ 24.0 26.0 27.0 28.0
Color white, shiny white, shiny grayish yellow whole bunch of poor local grayish yellow
Article stiff rate /% ≤ 0.0 0.0 2.0 4.0
40mm and above hybrid fiber
Victoria/(root/bundle) ≤
Table 2 long spit grading regulations --- benefit test items
Test items subsidy
Attached grade
Ⅰ Ⅱ Ⅲ Ⅳ
Caking hard strip/(pcs/bundle) ≤ 4 7 10 13
Pupal cocoon lining/(pcs/bundle) ≤ 2 5 8 11
4.1.4 The basic level of assessment
4.1.4.1 based on the minimum "before finishing" "color" "practice Save Rate" "Article stiff rate" "miscellaneous fibers" five major items subject to inspection results one indeed
Set a basic level.
4.1.4.2 The main test items in any of the test results below the minimum level, compared with substandard level.
4.1.5 downgrade provisions subsidy inspection
4.1.5.1 If the test project grants (Article caking hard liner pupae and cocoons) in any of the test results one level below basic level two, or two of
Test results below the basic level one stage, on the basic level has been assessed along the lower level.
4.1.5.2 If the test project test results subsidy to any one of the below basic level three or above, or less than two test results
The basic level two or above, on the basic level has been assessed along the lower levels.
4.1.5.3 If the test project test results subsidy to any one of the lowest level more than doubled over, all reduced to substandard levels.
4.2 spit
4.2.1 lines neat uniform, no stiff strip, no twist strips, caking hard strip, lining less pupa cocoon.
4.2.2 Quality spit in each bundle of bars per bundle (1000 ± 100) g.
4.2.3 spit lot for the classification, grading its provisions are shown in Table 3 and Table 4.
Table 3 spit grading regulations --- the main test items
The main test items
grade
One two three four
Finishing Profiles
Lines neat uniform,
Soft touch, no twist strips
Neat lines, feel soft,
There are bars twist < 2%
In neat lines, feel
In general, there is a twist strip < 5%
Irregular lines, feel bad,
There twist strip ≥5%
Save practicing rate /% ≤ 27.0 29.0 31.0 33.0
Color white, glossy
Whiter, local grayish yellow,
Gloss poor
Full beam grayish yellow, slightly
Shiny, local grayish yellow
Full beam grayish yellow,
Gray, dull
40mm and above hybrid fiber /
(Root/bundle) ≤
Table 4 spit grading regulations --- benefit test items
Test items subsidy
Attached grade
Ⅰ Ⅱ Ⅲ Ⅳ
Caking hard strip/(pcs/bundle) ≤ 4 7 10 13
Pupal cocoon lining/(pcs/bundle) ≤ 2 5 8 11
4.2.4 The basic level of assessment
4.2.4.1 According to "before finishing" "color" "practice Save Rate" "40mm and above hybrid fiber" four major items subject to inspection results minimum
A defined basic level.
4.2.4.2 The main test items in any of the test results below the minimum level, compared with substandard level.
4.2.5 downgrade provisions subsidy inspection
4.2.5.1 If the test project grants (Article caking hard liner pupae and cocoons) in any of the test results one level below basic level two, or two of
Test results below the basic level one stage, on the basic level has been assessed along the lower level.
4.2.5.2 If the test project test results subsidy to any one of the below basic level three or above, or less than two test results
The basic level two or above, on the basic level has been assessed along the lower levels.
4.2.5.3 If the test project test results subsidy to any one of the lowest level more than doubled over, all reduced to substandard levels.
4.3 Lag head
4.3.1 velvet corduroy block good, feel full state block rectangular sheets, strip stiff stiff block, less pupae and pupae lining.
4.3.2 Each Lag head mass of (400 ± 50) g.
4.3.3 Delay head grade each lot, the classification provisions of Tables 5 and 6.
TABLE 5 Lag head grading regulations --- the main test items
The main test items
grade
One two three four
Finishing Profiles
Velvet corduroy good block,
Feel full
Usually velvet corduroy velvet corduroy block block block difference corduroy velvet poor
Oil content /% ≤ 6.0 8.0 10.0 12.0
Color white, glossy white, glossy slightly sallow poor, poor gloss sallow, dull
Article stiff stiff block rate /% ≤ 0.0 2.0 4.0 6.0
40mm and above hybrid fiber /
(Root/Zhang) ≤
Table 6 Lag head grade test items subsidy provisions ---
Test items subsidy
Attached grade
Ⅰ Ⅱ Ⅲ Ⅳ
Pupae and pupae lining/(pcs/Zhang) ≤ 10 15 20 25
4.3.4 The basic level of assessment
4.3.4.1 According to "before finishing", "color", "oil content" "Article stiff stiff block rate" "miscellaneous fibers" five major items subject to inspection results of a minimum
Determine the basic entry level.
4.3.4.2 The main test items in any of the test results below the minimum level, compared with substandard level.
4.3.5 downgrade provisions subsidy inspection
4.3.5.1 If the test project grants (pupa and pupa lining) test results below the basic level two-level, on the basic level has been assessed along the lower level.
4.3.5.2 If the test results of the test items below basic subsidy level three or above, on the basic level has been assessed along the lower levels.
4.3.5.3 If the test results exceed the minimum grant level of test items more than doubled, it should be reduced to substandard levels.
4.4 cocoon coat
4.4.1 fluffy cotton quality, excellent Zhang block.
4.4.2 Each cocoon quality clothing at (300 ± 50) g.
4.4.3 cocoon coat graded each lot, the classification provisions are shown in Table 7.
Table 7 cocoon coat grading regulations
Test items
grade
One two
Before finishing fluffy cotton quality, good quality cotton sheets block less fluffy, general Zhang block
Color white, yellow no oil, no oil
Impurity rate /% ≤ 0.20 0.50
4.4.4 According to the test results, "before finishing" "color" "impurity rate" three inspection items in one of the lowest rating.
4.4.5 to reach the two substandard level.
4.5 under cocoon
4.5.1 Under cocoon by double cocoon Palace, mouth cocoon, macular cocoon, thin cocoon, cocoon soup, rotten cocoon according to GB/T 9111 are classified, so that a clear classification.
4.5.2 Under cocoon grading each lot, the classification provisions are shown in Table 8.
Table 8 below cocoon grading regulations
Test items
category
Cocoon double Palace cocoon port
Ratings Ratings
One two three four
Cut mouth, mouse port, port moth maggot hole
One two one two
Cocoon shell rate /% ≥ 48.00 45.00 45.00 or less - - 48.00 45.00
Categories unclear /% ≤ 3.00 5.00 10.00 15.00 3.00 5.00 5.00 10.00
Impurity rate /% ≤ 0.50 1.00 0.50 1.00 0.50 1.00
Test items
category
Macular cocoon thin soup cocoon cocoon cocoon rotten
Ratings Ratings Ratings Ratings
One two three four one two one two one two
Cocoon shell rate /% ≥ 48.00 45.00
45.00
the following
44.00 40.00 - - - -
Categories unclear /% ≤ 5.00 10.00 15.00 20.00 5.00 10.00 5.00 10.00 5.00 10.00
Impurity rate /% ≤ 0.50 1.00 1.00 2.50 1.00 2.50 1.00 2.50
4.5.3 According to "cocoon shell rate" "classification unclear" "impurity rate" test project test results in a minimum one rating below the minimum level, compared to the like
Outer level.
4.5.4 Classification unclear when more than 20% of the minimum rating level using low value cocoon.
4.5.5 silkworm silk moisture regain raw material was 12.0%.
5 Inspection Rules
5.1 Batch
Long spit, spit bars, according to the same stagnation head reeling models, the same level group batches; cocoon coat, according to the same under cocoon cocoon stage, the same level group batches. Net weight of each batch
500kg ~ 600kg, 600kg calculated over two batches.
5.2 Sampling
Silk raw number of samples specified in Table 9.
The number of samples specified in Table 9
category
Long spit, spit strip
Beam/batch
Lag head
Zhang/batch
Cocoon coat
Zhang/batch
Under cocoon
kg/batch
Number 5552
5.3 Sampling Method
5.3.1 each batch of random 5 pack.
5.3.2 spit, spit long, slow head, cocoon coat 1 per pack pumping beam (photos), which face each draw a bottom beam (photos), the central pumping beam 3 (photos), a total of five bundles
(Photos).
5.3.3 Central 2 beam (photos) for testing the amount of the public, practicing reducing rate, oil content, and the remaining three beams (photos) for visual inspection.
5.3.4 Under cocoon draw about 400g per pack to mix randomly selected (100 ± 5) g for testing moisture regain, take 100 (excluding other cocoon class) cocoon
Layer rate test; take 1kg unclear for classification and impurity rate test.
6 test method
6.1 by weight and the amount of public inspection
6.1.1 Equipment and Tools
6.1.1.1 Electronic scales. scale value ≤1g.
6.1.1.2 Balance. division value ≤0.01g.
6.1.1.3 with the balance of the oven. Balance. division value ≤0.01g.
6.1.2 Weight Test
Take each strip spit, spit long, slow head, cocoon clothing 3 bundle (photos), electronic weighing scales, to calculate the 3 beam (photos) averages, calculated results are accurate to one decimal
After a point.
6.1.3 the amount of public inspection
6.1.3.1 respectively extracted beam 2 (photos) from each sample in a sample, each quality (100 ± 5) g.
6.1.3.2 The extracted sample weighed immediately come to "wet weight" on the balance.
6.1.3.3 The weighed sample in parts of the unit were loosely placed in the basket bake at a temperature (105 ~ 110) ℃ of drying to constant weight (interval
10min weighing not more than twice the difference 50mg), returns "dry weight."
6.1.3.4 Found Regain according to formula (1) calculation, calculation results are accurate to one decimal place.
W =
m-m0
m0 ×
100% (1)
Where.
W --- Found moisture regain,%;
m --- total wet weight of sample in grams (g);
m0 --- total dry weight of sample in grams (g).
6.1.3.5 Public amount according to formula (2) calculation results accurate to two decimal places.
mk = mj ×
100 Wk
100 W
(2)
Where.
mk --- the amount of the public, in kilograms (kg);
mj --- net weight, in kilograms (kg);
Wk --- moisture regain,%;
W --- Found moisture regain%.
6.2 Visual inspection
6.2.1 Equipment and Tools
6.2.1.1 Electronic scales. scale value ≤1g.
6.2.1.2 Balance. division value ≤0.01g.
6.2.1.3 scissors.
6.2.1.4 Steel tape. 2m.
6.2.1.5 Test station. test sample flat on the stage, conducted in natural light.
6.2.2 long spit length test
In both ends of the largest parts of the head and tail of each beam spit as long range measurement, beam by steel tape measure, calculate the average of 3 beam, fine results
After correct to one decimal place.
6.2.3 before finishing, color inspection
Eyes by using beam (photos) assessment, 2 beam (photos) above similar assessment results as the test results.
6.2.4 Article stiff rate, stiff stiff block rate test strips
6.2.4.1 strand by strand (photos) will strip stiff, stiff stiff block strip cut, with the balance weighing, calculating 3 beam (photos) average.
Article 6.2.4.2 stiff rate, stiff stiff block strip ratio according to formula (3) calculation, calculation results are accurate to one decimal place.
J =
ma
mb ×
100% (3)
Where.
J --- stiff Article (Article stiff stiff block) rate,%
ma --- stiff Article (Article stiff stiff block) the total mass in grams (g);
mb --- 3 beam (photos) of the total mass of the sample in grams (g).
6.2.5 Miscellaneous Fiber Inspection
Picked each bundle (photos) miscellaneous number of fibers in the sample is calculated 3 beam (photos) average the results to the nearest integer.
6.2.6 caking hard strip, lining pupa cocoon, pupa and pupa lining inspection
Culling (Zhang) sample of a few per bundle (more than half of a pupa count), calculated beam 3 (photos) average the results to the nearest integer.
6.2.7 impurity rate test
6.2.7.1 The cocoon coat, picked out under the cocoon, with weighing scales.
6.2.7.2 cocoon coat impurity rate according to equation (4) calculation, calculation results accurate to two decimal places.
C =
mr
mt ×
100% (4)
Where.
C --- cocoon coat impurity rate,%;
mr --- impurities total mass in grams (g);
mt --- 3 Zhang mass of the sample in grams (g).
6.2.7.3 Under cocoon impurity rate according to equation (5) calculation results accurate to two decimal places.
R =
mr
1000 × 100%
(5)
Where.
R --- By cocoon impurity rate,%;
mr --- impurities total mass in grams (g).
6.2.8 cocoon layer rate test
6.2.8.1 cocoon said sample mass, or "cocoon weight."
6.2.8.2 The sample was quickly cut sectional cocoon, called mass cocoon, the "cocoon shell weight."
6.2.8.3 cocoon shell ratio according to equation (6) calculation results accurate to two decimal places.
S =
mc
md ×
100% (6)
Where.
S --- cocoon layer rate,%;
mc --- cocoon shell weight in grams (g);
md --- cocoon weight in grams (g).
6.2.9 Inspection classification is unclear
6.2.9.1 In the sample selected from the cocoon stage cocoon other cocoon removed and weighed.
6.2.9.2 unclear classification according to formula (7) calculation results accurate to two decimal places.
F =
me
1000 × 100%
(7)
Where.
F --- classification is unclear,%;
me --- other cocoon mass, in grams (g).
6.3 Internal Quality Inspection
6.3.1 practice test rate reduction
6.3.1.1 Equipment and tools
6.3.1.1.1 analytical balance. division value ≤0.01g.
6.3.1.1.2 with the balance of the oven. Balance. division value ≤0.01g.
6.3.1.1.3 beaker. 2L.
6.3.1.1.4 furnace. 1kW.
6.3.1.1.5 set the clock.
6.3.1.1.6 ordinary glass thermometer. minimum scale value 1 ℃.
6.3.1.2 Reagents
6.3.1.2.1 fatty acid containing 60% industrial neutral soap.
6.3.1.2.2 anhydrous sodium carbonate (Na2CO3).
6.3.1.2.3 distilled water.
6.3.1.3 Test conditions
Test conditions are shown in Table 10.
Table 10 rate reduction practice test test conditions
The first sequential quadratic formula
Industrial neutral soap/(g/L) 5 -
Anhydrous sodium carbonate (Na2CO3)/(g/L) 0.5 1
Distilled water distilled water distilled water
Bath ratio 1.100 1.100
Temperature/℃ 98 ~ 100 100
Time/min 30 20
6.3.1.4 Test Procedure
6.3.1.4.1 Take Two (10 ± 1) g sample (including head and tail), placed in an oven heated to (120 ± 3) ℃ temperature drying to constant weight (10min interval
Weighing twice the difference does not exceed 50mg), namely "dry weight before practice."
6.3.1.4.2 according to test conditions specified in Table 10 of the samples was put into practice after scouring solution twice with distilled water (65 ± 5) ℃ full wash
Polyester, squeezed, then the sample is placed within the oven temperature to (120 ± 3) ℃ temperature drying to constant weight (10min interval weighing not more than twice the difference
50mg), namely "dry weight after practice."
6.3.1.4.3 The test results calculated as follows.
a) the rate of reduction to practice according to equation (8) Calculated.
E =
mz-mh
mz ×
100% (8)
Where.
E --- practice reduction rate,%;
mz --- practice before the dry weight in grams (g);
After practicing mh --- dry weight in grams (g).
b) calculate the arithmetic average of 2 parts of the sample rate reduction to practice, the results after taking one decimal place.
6.3.2 Oil Content Test
6.3.2.1 apparatus, instruments and reagents
6.3.2.1.1 with the balance of the oven. Balance. division value ≤0.01g.
6.3.2.1.2 analytical balance, dividing the value ≤0.0001g.
6.3.2.1.3 constant temperature water bath, 40 ℃ ~ 100 ℃.
6.3.2.1.4 Soxhlet extractor, accepted the flask.
6.3.2.1.5 dryer, equipped with color gel.
6.3.2.1.6 weighing bottle. 150mL.
6.3.2.1.7 qualitative filter paper.
6.3.2.1.8 ether (chemically pure or analytical).
6.3.2.2 Sample
Sample taken 2 copies, each (5 ± 0.5) g.
6.3.2.3 Test Procedure
6.3.2.3.1 The receiving flask weighing bottle and placed (120 ± 3) ℃ in the drying oven to constant weight, weighed and recorded quality.
6.3.2.3.2 The 2 parts of the sample with qualitative filter paper wrap, size, elastic fit.
6.3.2.3.3 mounted on a heated water bath Soxhlet extractor connection cooling pipe, connected to the cooling water, heating water bath.
6.3.2.3.4 2 parts coated with qualitative filter paper samples were dipped into a Soxhlet extractor pumping device inside. Then poured into ethyl ether, immerse test
Siphon-like and over the produce reflux condenser connected.
6.3.2.3.5 adjust the water bath temperature, the receiving flask micro-boiling ether, maintained at reflux for 12 times per hour, a total reflux 2h.
6.3.2.3.6 reflux is completed, remove the condenser, remove the sample drawn from the leaching vessel, squeezed solvent removed paper, into the weighing bottle. Draw a line on
Condenser, recovery ether.
6.3.2.3.7 be volatile ether after substantially exhausted, it will be equipped with a sample weighing bottles and flasks on receiving (120 ± 3) ℃ in the oven drying to constant weight,
Remove weighing vessel and receiving flask was quickly placed in the dryer, cooled to room temperature, weighed and recorded quality.
Note. The sample constant weight was known for about 120min, continuous weighing time interval of about 25min.
6.3.2.3.8 The test results calculated as follows.
a) a sample oil content according to formula (9) Calculated.
Q =
ma1
ma1 ma2 ×
100% (9)
Where.
Q --- oil content of the sample,%;
Dry mass ma1 --- fat in grams (g);
After ma2 --- skimmed dry mass of the sample, in grams (g).
b) calculate the arithmetic average of 2 parts oil content of the sample, the results after taking one decimal place.
7 packaging and identification
7.1 Silkworm Silk Spinning raw material bag packaging.
7.2 Zhakou suspended at the label, indicating the batch, date, company name, product name, grade, net and gross.
8 Rounding value
Various values of the standard calculation, according to GB/T 8170 rounding off rule choice.
9 Other
If the supply and demand sides of silkworm silk raw material requirements, packaging, marking otherwise required, or may be separate contractual agreement and enforced.
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