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| Areal Density : |
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| It is the weight
of fabric per unit area. |
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| Assortment : |
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It is the selection and classification of raw jute according to fibre
characteristics prior to packing or baling. |
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| Bag - A Twill : |
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A double warp hemmed twill bag of 112 X 67.5 cm size and weighing 1190 g
with three blue stripes woven along the length of the bag and used for packing sugar. |
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| Bag - B Twill : |
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A double warp hemmed twill sacking bag measuring 112 X 67.5 cm and
weighing 1020 g has the capacity of holding 95 kg of foodgrains. With three blue stripes
woven along the length of the bag and is used for packing foodgrain. Due to ILO
stipulation, a new type of B.Twill bag has been developed with 50 kg capacity, dimensions
94 X 57 cm and bag weight of 665 g. |
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| Bale (Kutcha) : |
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A package of raw jute consists of various morahs, usually weighing 130 kg
to 150 kg and sometimes only 55 kg It is bound with jute ropes. |
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| Bale ( Pucca) : |
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It is hydraulically pressed bale of raw jute usually bound with jute
ropes. Its standard size is ( 120 X 45 X 50 ) cm having net weight of 180 kg. |
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| Bale ( Fabric or Jute Bags) : |
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A rectangular or square pressed, rigid package, containing jute fabrics or
bags, covered with bale covering with outer layer stiched and bounded by metal hoopes in
conformity with the relevant specifications. The bales containing jute bagging do not have
bale covering. |
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| Batch : |
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A quantity of raw jute selected from various asoortments to produce yarn
of desired type of quality. |
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| Batching : |
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It is a process of selection and mixing of jute fibres into batches and
treating them with oil-in-water emulsion softening the fibre prior to carding operation. |
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| Biocomposites : |
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Composites which are biodegradable, composed of natural fibre
reinforcement embedded into a bioplymeric matrix. |
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| Braiding : |
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The process of interlacing three or more threads is made in such a way
that they cross each other and are laid together in a diagonal formation. Flat, tubular,
or solid constructions may be formed together in this way. |
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| Brattice Cloth : |
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Rot and fire-proof hessian fabrics often coated used in mines, wind
screens and ventilation purpose. |
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| CBC : |
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| Carpet backing cloth (CBC) is a kind of balanced fabric, weighing
between 180 - 407 g/m2 used as a base for making carpets. |
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| Canvas : |
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A plain weave cloth wholly of jute and double warp and single weft
inter-woven, weighting not less than 407 g/m2
with more than 118 ends per dm and not less than 55 picks per dm. |
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| Doubling : |
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A process in which a number of jute slivers fed simultaneously as input
into a machine for drafting and delivered as a single sliver as output. By this process,
the irregularity of input slivers gets reduced. |
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| Draft : |
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The amount of
attenuation of textile material at different stages of spinning preparatory and spinning
process; for example, 1 m of input material when delivered as 5 m is said to have
undergone a draft of 5. |
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| Geotextiles : |
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These textile materials are used by civil engineers to solve many
geotechnical problems. These materials are made of synthetics or natural fibres in the
form of woven and nonwoven or their combination. |
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| Hessian ( or Barlap ): |
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A single warp plain weave jute fabric weighing from 4.5 oz to 18 oz a yard
( 139.5 gm to 434.0 gm per metre) with a normal basic width of 40" (101.60 cm) being
manufactured in various widths and weight / area, up to a maximum of 500 g/m2. The colour of the fabric requires as a rule that it should be
manufactured from good quality "white" jute. |
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| Hessian Canvas Tarpaulins : |
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Canvas is a closely woven cloth of fine texture, weighing from 14 oz to 24
oz a yard of 37" width (434 gm to 744.1 gm a metre of 94.0 cm width). |
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Tarpaulins weigh between 15 oz and 18 oz a yard of 45" width (465.1
gm and 558.1 gm a metre of 114.3 cm width). |
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| Impact : |
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It is the
resistance to fracture when certain localized load is applied to the specimen. This is of
two types Notched and Unnotched. |
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| Initial Re-inforcement : |
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| The synergistic improvement of a
total systems strength created by the introduction of a geotextile (good in tension)
into a soil (in compression but poor in tension) or into other disjointed and separated
material. |
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| Jute Tarpaulin Fabric: |
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| Double warp, single weft,
interwoven, plain weave cloth made wholly of jute, weighting not more than 610 g/m2 having not more that 118 ends per dm and not
more than 55 picks per dm. |
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| Knot: |
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| A process of joining two broken
pieces of yarns by tying together. |
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| Linear Density: |
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| Mass per unit length for any
textile fibre, sliver or yarn. |
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| Linoleum Backing : |
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Linoleum Backing in another special type of hessian weighing from 7 oz to
15 o per yard ( 217 gm to 465.1 gm per metre) with the width range 60" to 100" (
152.4 cm to 254 cm ) and above. |
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| Matting : |
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| Jute floor covering fabric woven
in plain, stripped, dobby or jacquard designs. |
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| Mesta : |
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| It is a bast fibre obtained from
the plant of Hibiscus sabdariffa and Hibiscus cannabinus. It is a substitute for jute
with coarseness higher than jute. |
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| Mildew : |
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| A fungal growth on any jute material. |
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| Nonwoven : |
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| A fabric-like textile structure,
having wide range of thickness and being produced from an assembly of fibres (with random
or parallel orientation) by applying bonding with adhesive / thermal treatment / needle
punching. |
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| Plain Weave : |
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| The type of weave in a cloth in which
each warp thread or a pair of warp threads pass alternatively over and under each weft
thread. |
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| Ply Yarn : |
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| An assembly of two / more single
yarns twisted together in a direction ( say, S ) opposite to that say, Z ) in its
component single yarns to have a balanced twisted structure. |
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| Prefabricated Drain (PVD) : |
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These geo-composites are generally vertically inserted in the ground with
their ends protruding over the ground surface and with underground water being forced out
of them under pressure, they resemble a set of giant wicks. |
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| Sacking : |
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Jute fabric made of double warp and single weft with plain or twill weave
and mostly used for manufacturing jute bags. The fabric is ordinarily made from the lower
grades of fibres. |
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| Sale Yarn : |
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This is the export quality jute yarns being used mainly by carpet
manufacturing mills. |
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| Scrim : |
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A generic term for low quality plain cloth with traditional cover factors
for both warp and weft at above 4. The mass per unit area will vary with the type of fibre
used. |
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| Sliver : |
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| The long continuous ribbon of fibres,
loosely held together, that comes out from the carding and drawing machines. |
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| Soil Saver : |
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A typical open weave woven jute geotextile used for controlling surficial
erosion of soil. Also branded as "Anti-Wash" and loosely as 'Geojute". |
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| Special Hessian : |
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A large number of special hessian are at present, manufactured by the
Indian industry, These include bright , fine and dyed scrim fabrics, jute cotton buckram
fabrics. |
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| Technical Textile : |
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| These textile materials are meant for
serving some technical or utility functions and not for normal textile uses like apparel,
home furnishings, etc. |
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| Tex : |
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| This is the universal unit for yarn
count; it is the weight in grams per kilometer of yarn. |
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| Twill Weave : |
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| A weave that produces diagonal lines
on the surface of the cloth |
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| Twine : |
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| A plied yarn formed by twisting
together two or more strands of yarns |
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| Weave : |
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The type of interlacement of warp and weft to form a fabric. |
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| Yarn : |
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A product of substantial lenght and relatively small cross-section of
fibres and/or filaments with or without twist. |
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| Yarn Package : |
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A length of yarn in a form suitable for handling, sorting or shipping.
Packages may be unsupported as skeins or cakes, or prepared with various winding patterns
of bobbins cops, pirns, spools, tubes or beams. |
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