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Woolen Socks Specifications

The document provides technical specifications for woolen socks, including material requirements and quality standards. Woolen socks must conform to IS: 2187 and be made of 70% wool, 15% nylon, and 15% viscose rayon. They must be free of defects, matched in shade and size, and feature a 4-course knit welt. Technical parameters like fiber grade, dimensions, and colorfastness are also specified. Socks must be packaged individually in polythene bags and preserved with naphthalene in cardboard boxes marked with size, pair count, manufacturer, and date. Inspection is conducted jointly by quality assurance and the purchaser.

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Jayashri Bhuyan
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213 views2 pages

Woolen Socks Specifications

The document provides technical specifications for woolen socks, including material requirements and quality standards. Woolen socks must conform to IS: 2187 and be made of 70% wool, 15% nylon, and 15% viscose rayon. They must be free of defects, matched in shade and size, and feature a 4-course knit welt. Technical parameters like fiber grade, dimensions, and colorfastness are also specified. Socks must be packaged individually in polythene bags and preserved with naphthalene in cardboard boxes marked with size, pair count, manufacturer, and date. Inspection is conducted jointly by quality assurance and the purchaser.

Uploaded by

Jayashri Bhuyan
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as PDF, TXT or read online on Scribd
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TECHNICAL SPECIFICATION FOR WOOLEN SOCKS

1.0 SCOPE & APPLICATION:


The specification prescribes requirements for Woolen Socks for use in oil field areas and general
application

2.0 GENERAL FEATURES:


2.1 Woolen socks generally conform to IS: 2187
2.2 The socks shall be free from objectionable flaws. The objectionable flaws shall be those
which strike immediately the eyes and shall be deemed included: Noticeable broken thread in the
body, Large mends, Ladders, Dropped stitches, Noticeable oil or other, Holes, cuts or tears,
Uneven dyeing & Streak ness. Any other defect which may significantly more the appearance or
serviceability of socks.
2.3 The socks shall be matched and paired according to their shade and size. A tolerance of ± 15
mm on each length of the socks shall, however, be permissible while pairing.
2.4 Socks shall be well knit and seamless with secure 4 course welt made either in one step or in
two steps of two courses each. The top of the socks shall be knitted in 1 x 1 rib and the leg and
foot portions shall be knitted plain.
2.5 The splicing shall be even, free from creases and folds, and similar in construction to the
fabric of the socks.

3.0 TECHNICAL SPECIFICATION:


S.No Parameters Requirements
1 Yarn Composition The yarn used in the manufacture of the socks shall be spun
on worsted system from wool only or in proportion as (70%
- Wool), (15% - Nylon) and (15% - Viscose rayon) (See
Note)
2 Colour and size Indentor to select (See Note)
3 Finish of socks Double combing and thorough blending.
4 Welt Secured 4 course welt made either in one step or in two
steps of two courses each.
5 Dimensions & Mass As per IS: 2187
6 Courses / decimeter 44 ± 2
7 Grade Of Wool Tops/Fiber Not less than 48 s
Fineness
8 Dimensions charge (Due to Leg Portion 3.0 % max
relaxation) Foot portion 2.5 % max
9 PH value of aqueous extract 5.0 to 7.5
10 Scoring loss (% age) 4.0 % max.

Note:
(1) Socks sizes: 25 to 31 corresponds to foot length with tolerance of

± 0.5 cm 15
Example: 30 size socks are the socks having foot length of 30 cm.
Length Tolerance: + 2.5 to 1 cm
(2) Yarn Composition (Tolerance) - The percentage of nylon and viscose rayon each shall be 13
to 16 and the balance shall be wool.
3.1 Colour fastness to Light, Washing, Change in colour, Perspiration and Rubbing shall be 4 or
better
4.0 MARKING: Each card board box of socks shall have following information (Printed)
i) Size
ii) No. of pairs packed in the package
iii) Manufacturer name or trade marks
iv) Date of manufacture
v) Blend composition in the descending order.

5.0 PACKING:
5.1 Each pair of socks shall be suitably clipped at the heel, toe and top portion. Each folded pair
shall be placed in a polythene bag. A suitable monitor of such bags (6 or 12 pairs) shall be placed
in a card board of suitable size.
5.2 Preservation - The socks shall be preserved with a heavy dose of naphthalene in each card
board
6.0 DOCUMENTATION & INSPECTION:
6.1 Bidder may be asked to provide relevant test certificate from Govt./Govt. approved lab along
with the offer and test reports are to be presented to ONGC inspecting authority for review.
6.2 Warranty/Guarantee certificates to be supplied along with the item.
6.3 Inspection to be carried out jointly by the representative of the quality
assurance department and the indentor as per QAD inspection procedure.

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