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IS 14445 (1997): Textiles - Fabrics for awnings and campingtents . [TXD 33: Industrial Fabrics]

Indian Standard

TEXTILES - FABRICS FOR AWNINGS AND CAMPING TENTS - SPECIFICATION

ICS 59.080.30;97.200.30

0 BIS 1997

BUR-EAU OF INDIAN STANDARDS MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG

NEW DELHI 110002

September 1997 Price Group 3

Geotextiles and Industrial Fabrics Sectional Committee, TX 30

FOREWORD

This Indian Standard was adopted by the Bureau of Indian Standards, after the draft finalized by the Geotextiles and Industrial Fabrics Sectional Committee had been approved by the TextileDivision Council.

In the preparation of this standard considerable assistance has been derived from IS0 10966 : 1994 ‘Textiles - Fabrics for awnings and camping tents - Specification’.

For the purpose of deciding whether a particular requirement of this standard is complied with, the final value, observed or calculated, expressing the result of a test, shall be rounded off in accordance with IS 2 : 1960 ‘Rules for rounding off numerical values (revised)‘. The number of significant places retained in the rounded off value should be the same as that of the specified value in this standard.

IS 14445 : 1997

Indian Standard

TEXTILES - FABRICS FOR AWNINGS AND CAMPING TENTS - SPECIFICATION

1 SCOPE

This standard specifies. important material charac- teristics for woven fabrics for awnings and camping tents. To meet the needs arising from different climatic conditions, different national habits in tent usage or different durability-expectations of the customer, the material requirements are split into two levels: A and B. Level A requirements apply to awnings and camping tent fabrics intended for severe and/or long term use; level B require- ments arc lower than level A and apply to fabrics intended for less severe use.

NOTE - As far as the division and subdivision in different tent-categories and types is concerned this standard follows the classification as given below:

a) Awnings

Residential awning - Type R Touring awning - SpeT Snow awning use - TypeSN

b) Camping tents -Sleeping tent (Type S); 1) Class 1 -Light weight tent 2) Class st -Standard weight tent -Touring tent (Type T) -Residential tent (Type R)

2 REFERENCES

2.1 The Indian Standards listed in Annex A are necessary adjuncts to this standard.

3 TERMINOLOGY

3.1 In addition to definitions given in IS 129911 IS0 7152 following definitions shall apply.

3.1.1 Inner Fabric

Fabric for awning and camping tents which is not directly exposed to weather during practical (that is protected by other fabric).

3.1.2 Outer Fabric

Fabric for awning and camping tents which is directly exposed to weather during practical use.

4 MINIMUM REQUIREMENTS AND TEST METIIODS

4.1 The requirements of coated fabrics for roofs of awnings and camping tents Type R and Type T are given in Table 1.

4.2 The requirements of uncoated fabrics for roofs of awnings and camping tents Type R and Type T are given in Table 2.

4.3 The requirements of coated fabrics for walls/outer tents of awnings and camping tents are given in Table 3.

4.4 The requirements of uncoated fabrics for walls/outer tents of awnings and camping tents are given in Table 4.

4.5 The requirements for roofs and walls of awnings, Type SN are given in Table 5.

4.6 The requirements for coated outer fabrics of tents Type S, are given in Table 6.

4.7 The requirements for uncoated outer fabrics of camping tents, Type S, are given in Table 7.

4.8 Resistance Against Cold Crack

Cracks of grade A [see 9.1 of IS 7016 (Part lo)] are permitted in all coated fabrics when tested as per IS 7016 (Part 10). The test temperature shall be -2O’C for snow tent materials and -1O’C for materials of all other types.

4.9 Dimensional Stability

Dimensional change shall not be more than +-3 percent when tested in accordance with IS 2977 using a cycle of 2 h.

IS 14445 : 1997

Table 1 Minimum Requirements for Roofs, Coated (Chlse 4.1)

Requirement Camping Tent Direction

r L.evelA

A-S m Level B

\ ’ Level A Level B ’

Vpe ,&

5pe Type ,

c

R T R T rT R T R _

Breaking 120 100 100 85 120 100 100 85 Wrap

strength and

(daN) weft

Tear resistance

(daN)

8 6 4.5 4 8 6 4.5 4 Warp and weft

Resistance 150 150 80 80 150 150 80 80 to penetration by water (hPa)

Requirement

Breaking strength

(daN)

Tear resistance

(daN)

Resistance to penetration by water (hPa)

1 IS 7016 (Part 2)

Test Method

IS 6489

IS 7016 (Part 7)

Table 2 Minimum Requirements for Roofs, Uncoated (Clause 4.2)

Awning Camping Tent Direction Test Method

’ LzvelA

fi Level B T ’ Level A

A Level B ’

Type , , %pe ( , Vlc I , Type r ,

R T R T R T R T ._-___

- 8.5 70 70 85 85 70 70

+

Warp IS 7016 (Part 2) and weft

Warp I IS 6489

--

- 4 4 4 6 6 4 4 and weft

- 50 40 30 50 50 40 30 IS 7016 (Part 7)

Table 3 Minimum Requirements for Walls/Outer Tents,Coated (CZause 4.3)

I I Requirement Awning C&ping Tent Direction

’ LevelA Y

Level B ’ LevelA .Level

We f \A

Type oT4:p”

R T R T R T R T

Test Method

Breaking 100 100 strength

(daN) ___--

Tear 6 6 resistance

(daN)

Resistance 150 150 to penetration by water (hPa)

85 80 85 80 85 80 Warp and weft

IS 7016 (Part 2)

4.5 4 6 6 4.5 4 Warp and weft

IS 6489

40 40 150 150- 40 40 IS 7016 (Part 7)

IS 14445 : 1997

Table 4 Minimum Requirements for Walls/Outer Tents,Uncoated (Clause 4.4)

Requirement AWIling \

’ Level A -bF

, , R T

LzvelB ’

Typ” R T

(daNI [ ! Resistance to penetration by water (hPa)

I I

60 60 50 Warp and weft

4 4 4 4 Warp

I i I and weft

I I I I

25 2.5 25 20 IS 7016 (Part 7)

Test Method

IS 7016 (Part 2)

___- IS 6489

Table 5 Minimum Requirements for Roofs and Walls of Awnings, Type SN (Clause 4.5)

Requirement Direction Test Method

strength

Resistance to penetration by water (hPa)

80 IS 7016 (Part 7)

Table 6 Minimum Requirements for Outer Fabrics of Camping Tents, Type S, Coated (Clause 4.6)

Requirement

Breaking strength (daN)

Tear resistance

(daN)

Class SF Class 1 Direction Test Method

- Y Level A Level B Level A Level B

65 50 65 40 Wrap IS 7016 (Part 2) and weft

4 3 4 3 Warp IS 6489 and weft

Resistance 1.50 80 to penetration by water (hPa)

1

‘) Not applicable for group tents (more than 6 occupants).

150 80 1 / IS 7016(Part 7)

3

IS 14445 : 1997

Table 7 Minimum Requirements for Outer Fabrics of Camping Tents, Type S, Uncoated (Clause 4.7)

Requirement

Breaking strength (daN)

Tear resistance

(daN)

Class st’) Class 1 Direction Test Method F c

I Level A ,%

Level A Level B ’ LevelB

- 60 50 60 40 Warp IS 7016 (Part 2) and weft

4 3 4 3 Warp IS 6489 and weft

Resistance to penetration by water (hPa)

30 22 30 25 IS 7016 (Part 7)

‘) Not applicable for group tents (more than 6 occupants).

4.10 Colour Fastness

The fabrics shall meet the following colour fastness ratings when tested in accordance with relevant Indian Standards mentioned against each require- ment:

flame retardant performance, it shall not ignite when tested in accordance with IS 11871 and exposed to a test flame for 10 s.

a) Outer fabric of all types of awnings and camping tents - fastness to light: 6 (IS 2454) - fastness to weathering:4-5 (IS 6152) - fastness to water: 4 (IS 767) - fastness to wet rubbing: 3 (IS 766)

b) Inner fabrics - fastness to water:4 (IS 767) - fastness to wet rubbing: 3 (IS 766)

4.11 Breaking Strength of Inner Fabrics

Table 8 Parameters for Testing (Clause 4.12)

Parameter

Time of exposure

Inner tent fabrics for all types of tents shall have a minimum breaking strength of 30 daN for warp and weft when tested in accordance with IS 7016 (Part 2).

Light source Xenon arc lamp (global radiation)

Black panel temperature 55 * 3Oc

Relative humidity 65+5%

Spraying/Drying cycle 18 min/l02 min

Dimension of Compatible with the apparatus and specimen the specimens size required

for breaking strength and resis- tance to penetration by water

Number of specimens At least 3

Ehipression of results Mean value of three trials

4.12 Weatherability 5 MARKING

AI1 outer fabrics (roof, walls, etc) shall provide a minimum resistance to natural sunlight regardless to the type of tent or awning concerned. This requirement is deemed to be met, if after artificial weathering in accordance with IS 6152 and applying the test parameters as specified in Table 8, the breaking strength and the resistance to penetration by water is not more than 30 percent below the minimum value applicable to the type and part of the tent specified in Table 1 to 7.

5.1 All fabrics complying with the requirements of this standard shall be provided with the following information on the label attached:

4.13 Flammability (Option)

a> b)

Cl

d>

e> 5.1.1

Brief nomenclature, Performance of the fabric, that is its clas- sification to level A or B, Fabrics complying with the requirements according to clause 4.13 may be marked to have flame retardant performance, Manufacturer’s name/initials or recognized trade mark, and

This standard dots not specify a general minimum requirement concerning flame retardation of fabrics for awnings and camping tents. If the fabric of an awning and camping tent is claimed to have a

Month and year of manufacture.

BIS Certification Marking

The fabrics may also be marked Mark.

Requirement

Level A = 180 hours Level B = 120 hours

with the Standard

4

5.1.2 The use of the Standard Mark is governed by the provisions of Bureau of Indian Standards Act, 1986 and the Rules and Regulations made there- under. The details of conditions under which the licence for use of Standard Mark may be granted to manufacturers or producers may be obtained from the Bureau of Indian Standards.

6 SAMPLING

6.1 Lot

The quantity of fabric of one definite type delivered to a buyer against one despatch noteshallcon- stitute a lot.

NOTE! - The sampling plan given below shall give desired protection to the buyer and the seller provided the lot submitted for inspection is homogeneous. To ensure homogeneity of the lot, it is recommended that the manufacturers should follow the methods given in IS 397 (Part 1) and IS 397 (Part 2).

6.2 The conformity of the lot to the requirements of this standard shall be adjudged on the basis of the tests carried out on the samples selected from it.

6.3 Unless otherwise agreed to between the buyer and the seller, the number of rolls or pieces to be selected from a lot shall be in accordance with co1 1 and 2 of Table 9.

IS 14445 : 1997

Table 9 Sample Size and Criteria for Conformity (Clause 6.3)

Lot size Sample Size Permissible Number Sub-sample of Non-conforming Size

Rolls or Pieces

(1) (2) (3) (4) up to 50 8 0 3

51 to 100 13 0 4

101 to 150 20 1 5

151 to 300 32 1 6

301 to 500 50 2 7

501 and above 80 3 10

6.4 Number of Tests and Criteria for Conformity

The number of tests and criteria for conformity for various characteristics shall be as follows :

Sl Characteristic NII

i) Breaking strength and tear resistance

ii)Dimensional change, resistance to low temperature, colour fastness, water repellency, flame resistance and weatherability

No. of Criteria for . Test Conformity Samples

Actor- X - 0.5 R is ding to greater than or co1 4 of equal to the Table 9 corresponding

specified limit

Actor- All the test ding to specimens co1 4 of shall meet the Table 9 specified re-

quirements

5

IS 14445 : 1997

IS No.

397

(Part 1) : 1972

(Part 2) : 1985

766 : 1988

767 : 1988

2454 : 1985

2977 : 1989

6152 : 1985

ANNEX A

(Clause 2.1)

LIST OF REFERRED INDIAN STANDARDS

Title

Method for statistical quality control during production: Control charts for variables @st revision) Control charts for attributes and count of defects (second revision) Method for determination of colour fastness of textile materials to rubbing (rust revision) Methods for determination of colour fastness of textile materials to water (first revision) Methods for determination of colour fastness of textile materials to artificial light (Xenon lamp) Cfvst revision) Fabrics (other than wool) Method for determination of dimensional changes on soaking in water (first revision) Method for determination of colour fastness of textile

. IS No. Title

materials to weathering by Xenon arc lamp cfirst revision)

6489 : 19931 Textiles-Woven fabrics- IS0 9290: 1990 Determination of tear resis-

tance by falling pendulum method (‘first revision)

7016 Method of test for coated and treated fabrics

(Part 1) : 1982 Roll characteristics (first revision)

(Part 2) : 1981 Determination of breaking strength and extension at break (jirst revision)

(Part 7) : 1986 Determination of resistance to penetration by water (first revision)

(Part 10) : 1981 Low temperature bend test

11871: 1986 Methods for determination of flammability and flame resis- tance of textile fabrics

12991: 1990/ Camping tents-Nomenclature IS0 7152 : 1990

14281: 1995 Glossary of terms relating to made-up textile items

6

. Bureau of Indian Standards

BIS is a statutory institution established under the Bureau of I&inn Standards Act, 1986 to promote harmonious development of the activities of standardization, marking and quality certification of goods and attending to connected matters in the country.

Copyright

BIS has the copyright of all its publications. No part of these publications may be reproduced in any form without the prior permission in writing of BIS. This does not preclude the free use, in the course of implementing the standard, of necessary details, such as symbols and sizes, type or grade designations. Enquiries relating to copyright be addressed to the Director (Publications), BIS.

Review of Indian Standards

Amendments are issued to standards as the need arises on the basis of comments. Standards are also reviewed periodically; a standard along with amendments is reaffirmed when such review indicates that no changes are needed; if the review indicates that changes are needed, it is taken up for revision. Users of Indian Standards should ascertain that they are in possession of the latest amendments or edition by referring to the latest issue of ‘BIS Handbook’ and ‘Standards: Monthly Additions’.

This Indian Standard has been developed from Dot : No. TX 30 (0130).

Amendments Issued Since Publication

Amend No. Date of Issue Text Affected

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