Cotton fiber and processing test results

MISSING IMAGE

Material Information

Title:
Cotton fiber and processing test results
Physical Description:
v. : ; 27 cm.
Language:
English
Creator:
United States -- Agricultural Marketing Service. -- Cotton Division
Publisher:
Agricultural Marketing Service, U.S. Dept. of Agriculture, Cotton Division
Place of Publication:
Clemson, S.C
Creation Date:
1966
Frequency:
biweekly during harvesting season, with comprehensive report at end of season
other
normalized irregular

Subjects

Subjects / Keywords:
Cotton -- Testing -- Periodicals   ( lcsh )
Cotton -- Varieties -- Periodicals   ( lcsh )
Genre:
serial   ( sobekcm )
federal government publication   ( marcgt )

Notes

Citation/Reference:
American statistics index
General Note:
Description based on: Rept. no. 1, (Sept. 7, 1979)

Record Information

Source Institution:
University of Florida
Rights Management:
All applicable rights reserved by the source institution and holding location.
Resource Identifier:
aleph - 000328589
oclc - 01799482
notis - ABV8141
lccn - 75642828 //r81
issn - 0566-5469
Classification:
lcc - TS1542 .U35
ddc - 677/.21/305
System ID:
AA00008566:00038

Related Items

Preceded by:
Cotton fiber and processing results

Full Text

/1P.~I


-A
r96jV^ ^P B'yt"^-AJlc


UNITED
Con


1


STATES DEPARTMENT
summer and Marketin
Cotton Divisi
Washinaton. D. C.


OF AGRICULTURE


g Service
on
20250


COTTON FIBER AND


PROCESSING TEST RESULTS


CROP OF


1966


,rT>: \tV
-"
t4i"
iii ? 11B-


CT (1966)


Sept ember


1966


u






COTTON FIBER AND


PROCESSING


TEST


RESULTS,


CROP OF


1966


Discussion


of Test


Results


Medium
Texas


staple


area


show


samples


longer


tested
fibers


so far thi


than


for the


season


same


from
period


the South


last


year.


Average


micronaire


imately the


content


same


reading


levels


is slightly


and fiber


as last


higher


than


year.


a year


strength
Shirley


ago,


remain


Analyzer


while


on approx-


nonlint


the picker


card
from
and


waste


is significantly


these samples


lower


imperf


higher


are stronger,


section


count


than


for the


with
last


higher
year


same


period.


appearance
(Table 1).


Yarns


grade


This is the second of


a series


of reports


on the fiber


process-


ing t
twice


results


each month


in a comprehensive


on the 1966


during t
e report


cotton


he harves


crop.


ting


These


season


at the end of the


reports


are issued


n and are summari
season. This 196


group o
"Annual


f reports


will


Cotton Quality


Processing T
dated April


ests from
1966.


give


data


Survey,
Selected


on the
Summary


same
of R


subject


esult


Production Areas,


as AIB
Fiber


Crop


309,
and


of 1965


cent modernization


changes
results


in
to


t


te


levels


those report


sting equipment
some items. T
for the 1966 cr


has result


CO


op,


in slight


mpare previous
the following


ears'


adjust-


ments


should


made:


Yarn


imperfections


previous


years


x 0.6


= 1966


levels.


Spinning
levels.


potential


yarn


no. for


previous


years


x 1.1 = 1966


An explanation


of this


series


of thes
CT (19


changes


is contained


dated August


in the
1966.


first


report


Prepared


in the Standards


Consumer


Cotton Division
and Marketing


and Testing Branch


Service


Memphis,


Tennessee









Table 1.--Cotton: Averages of fiber and processing tests from selected gin points


in the United States through September


1966 1


: : : Significant
Item : 1965 : 1966 :Differences 2/

Lots tested..................number: 34 15

Fibrograph:

2.5o span.................inches 1.04 1.07 0.02
50/2.5 uniformity........percent 46 46 2

Micronaire..................reading 4.4 4.4 0.2

Fiber Strength:

Zero gage...................Mpsi 84 85 2
1/8-inch gage..............G/tex: 21.7 21.7 0.5

Shirley Analyzer nonlint content...
..... ......... .......... .percent 2.5 2.9 0.5

Picker and card waste.......percent 5.0 5.7 0.5

Skein strength 22s............Ibs 103 107 4

Appearance...................index 109 117 5

Imperfections................number 19 3/ 15 2
el ia


_/ Based on a limited number of samples of modal quality.

2/ Minimum differences considered to be significant for comparisons in this


table.


These guides are based upon


averages


of a number of lots and are


not applicable to individual samples.


Adjusted to 1966 level (Imperfection no.
of card crusher rolls.


x 0.6) to reflect cleaning action






-It


Table


--Cotton:


Results of


classification,


fiber tests, and carded yarn process-


ing tests by state and production area,


processed at a card production


rate of 12{ pounds per hour and a twist multiplier of 4.40,


crop of 1966


--rea---------- S-1------ -outhwestern
tate South Texas
Production area Corpus Christi : Taft
Predominant variety Northern Star 5- Lankart 611
percentage of variety at gin 90 : 75 : 75
Triweekly sample ing i -p-_4- Second : Fir


RAW COTTON QUALITY
Grade ........ .... ........designation
Staple length ................. inches
Fiber length (Digital Fibrograph):
2 .5 span length............ inches
Uniformity ratio (50/2.5) .percent
Fiber fineness and maturity:


SMltsp


0.91


Mltsp
1-inch

1.01


M
1-inch

.99


Mi cronail re


* .. .. .. .. .reead ii g


Fiber strength and elongation:
Zero gauge strength .....1,000 psi
Zero gauge strength .....grams/tex
%-ineh gauge strength ..grams/tex
%-inch gauge elongation.. .percent


Shirley


Analyzer:


Visible waste


........pereent


Total visible & invisible..percent


Color of


38.7
19.7


20.5


39.7
21.3
6.0


*a ctvon


Reflectance
Yellowness


Code


.. . ..... Rd


* *
r* 4


.................+ b
S.... ....... number


76.9
10.0


75.0
9.1


PROCESSING RESULTS:
Picker and card waste........percent


Yarn skein strength:
8s ( 73.8 tex) ...........pounds
22s ( 26.8 tex) .........pounds
Average break factor.......
Yarn skein elongation:


22s (


73.8
26.8


tex)
tex)


..........percent
..........percent


Yarn appearance:


94
2238


328
101
2423


76.9
8.6
302


5.0


307
100
2328

6.8
6.1


73.8
26.8


tex)
tex)


..a ..


...grade
..grade


Average yarn appearance ..... index
Yarn imperfections: 1/


73.8
26.8


tex)
tex)


number


.......... .number


i








Table


--Cotton:


Results of


classification,


fiber tests, and carded yarn proc


ess-


ing tests


rate of


by state and production area,


pounds per hour and


processed at


a twist multiplier of 4


a card production


crop of 19


lrea I___ Southwestern
State South Texas
Production area Alamo : _El CamPo : Long Mott : Mercedes
Predominant variety Stonevl 21_3:Stne vl :DPL Sm Leaf:Stonevl 7A
Percentage of variety at gin 0-_ 95 : 99 95
Triweekly sampling_ First _First First Second


RAW COTTON QUALITY
Grade ........... .........designation
Staple length .... ........ inches
Fiber length (Digital Fibrograph):
2.5% span length ......... ....inches
Uniformity ratio (50/2,5) .percent
Fiber fineness and maturity:
Micronaire .................reading
Fiber strength and elongation:
Zero gauge strength .....1,000 psi
Zero gauge strength ....,grams/tex
%-inch gauge strength ..grams/tex
%-inch gauge elongation.. .percent
Shirley Analyzer:
Visible waste .............percent
Total visible & invisible .percent
Color of raw cotton:


Reflectance
Yellowness


Code


S........... ... ..... Rd


.............number


PROCESSING RESULTS


Picker and card waste.. ,....percent

Yarn skein strength:


50s (


11.8


tex)
tex)


...........pounds
...........pounds
or ......... ......


Average break facl


Yarn skein elongation:


22s (


26.8
11.8


tex)
tex)


..........percent
..........percent


Yarn appearance:


26.8


tex) .............grade


50s ( 11.8 tex) ..............grade
Average yarn appearance...... index


SLM
1-1/16

1.08


22.0


353


6.1


110
38
2160

5.6


M1tsp


1.05


22.1


353


5.0


99
33
1914


M
1-1/32

1.02


SLM
1-1/16

1.08


41.7
22.5


8.2
301


4.8


104
35
2019


75.2
8.4
52


5.6


111
40
2221


Yarn imperfections:
22s ( 26.8 tex).


....number


50s (


11.8


tex) ............number.


Rn~incr nonnC on+1 2 ~3/ V r n',n~,lrtn


Ir ru-,






-6-


Table


--Cotton:


Results of


classification,


fiber tests,


and carded yarn process-


ing tests by state and production area,


processed at a card production


pounds per hour


..Continued
trea
---~ l^ --^^^ ^
Etate
production area _
Predominant variety


----

----


3nd a twist multiplier of 4.00, crop of 1966


1 --------- --Southwestern
I South Texas
1.
I PPharr Raymondville
Tideland :Stoneville 213


Percentage of variety at gin [ 75 : 75 90
Triweekly sampling --First Second : Second


RAW COTTON QUALITY
Grade ......................designation
Staple length .......... ...... inches
Fiber length (Digital Fibrograph):
2.5%70 span length............ inches
Uniformity ratio (50/2.5) .percent
Fiber fineness and maturity:


SLaLtsp
1-1/32


1.05


1.06


1-1/32

1.05
46


Mi~icronaire


Fiber strength and elongation:
Zero gauge strength ....1,000 psi
Zero gauge strength .....grams/tex
%,-- inch gauge strength ..grams/tex
%-inch gauge elongation..percent
Shirley Analyzer:
Visible waste .... ..........percent
Total visible & invisible. .percent
Color of raw cotton:
Reflectance ... ............. d
Yellowness ....... ......... ... +b


.............number


39.2
19.6


42.7
21.9


20.3
6.1


75.1


PROCESSING RESULTS:
Picker and card waste....*....percent


Yarn skein strength:


22 ( 2
50s( 1
Average


o.8
i.8


tex)
tex)


...........pounds
...........pounds


break factor............. ..


Yarn skein elongation:


22s (
50s (


26.3
11.


tex)
tex)


Yarn appearance:
22s( 26.8 te:


50s (


11.Y


te:


.... .....percent
..........percent


x) .....
X) ....... *


..... grade
... ..grade

.....index


average yarn appearance.
Yarn imperfections: 1/


1925


2102


22s (
=? :


r. Km
26.c


tex) ..........number


number


rate of


_


1-i!


re ad i ng


74,0


CcilB


tell;) .......


I







Table 3.--Cotton:


Results of


classification, fiber tests, and carded yarn proc


ess-


ing tests by state and production area,


processed at a card production


rate of


pounds per hour and


a twist multiplier of 4.00,


crop of 1966


--Continued
Area


-----
-----


Southwestern


State I -South Texas
Production area Rio Hondo Taft
predominant variety .I-...... Sto.neville 7A
Percentage of variety at gin I 97 75 : 75
riweekly sampling --- -Secnd -- First Second


RAW COTTON QUALITY
Grade .....................designation
Staple length .................. inches
Fiber length (Digital Fibrograph):
2.5% span length........... ..inches
Uniformity ratio (50/2.5) .percent
Fiber fineness and maturity:
Micronaire ............... reading
Fiber strength and elongation:
Zero gauge strength .....1,000 psi
Zero gauge strength ..... grams/tex
%-inch gauge strength ..grams/tex
&-inch gauge elongation...percent
Shirley Analyzer:
Visible waste .............percent
Total visible & invisible..percent
Color of raw cotton:


Reflectance
Yellowness


Code


".... ....n ..

... ..............number


PROCESSING RESULTS:
Picker and card waste...._...percent

Yarn skein strength:


22s (
50s (


11.8


tex)
tex)


...........pounds
...........pounds


Average break factor...............


Yarn skein elongation:
22s 26.8 tex) ....


11.8


tex)


*5t,


......percent
.......percent


Yarn appearance:


22s(


26.8


tex) .............grade


50s ( 11.8 tex) ..............grade
Average yarn appearance...... index


Yarn imperfections:
22s ( 26.8 tex).


50s (


11.8


....number


tex) ............number


Spinningpotential. g/...Yarn number


1-1/16

1.09


91
45.1
22.1


i- il


1.04


1.06


79
39.2
20.7


42.7
21.3


74.4


40
2221


36
2066


34
1994


- 56 -


1-1/


74.7





UNITED STATES DEPARTMENT OF AGRICULTURE
CONSUMER AND MARKETING SERVICE
WASHINGTON, D.C. 20250


S UNIVERSI o

3 1262083333970


OFFICIAL BUSINESS