AATCC TM214-2022e 潮湿微气候下测量纺织品凝露的测试方法

VIP专享

阿拉丁 2026-01-15 42 367.31KB 6 页 16星币

侵权投诉

450 AATCC TM214-2022e AATCC Manual of International Test Methods and Procedures/2025

1. Foreword

1.1 While several test methods exist to

measure the effectiveness of moisture

transport mechanisms through fabric,

they do not measure the amount of water

condensation created within the micro-

climate of the textile product. This

method provides a measure of the fabric

contribution to the end-product conden-

sation accumulation.

2. Purpose and Scope

2.1 This test method measures the wa-

ter condensation accumulation on the in-

nermost (back) surface of fabrics in a hu-

mid microclimate, with and without

simulated precipitation on the outermost

(face) fabric surface.

2.2 The method is applicable to fabrics

or multi-layer fabric systems.

3. Principle

3.1 The test method measures the

amount of water condensation produced

in 15 min. on a specimen placed in a hu-

mid microclimate created by controlling

temperature and relative humidity of

chambers on either side of the specimen.

Specimens are tested with a sprinkler to

simulate rain, and with no sprinkler.

3.1.1 The amount of water is calcu-

lated as the mass gain of a piece of pre-

weighed filter paper after absorbing the

condensation from the specimen.

3.2 Results are reported as g/m2, where

a higher value indicates more water con-

densation. Area and time are constant for

all specimens.

4. Referenced Documents

NOTE: Use current versions of all

publications unless otherwise specified.

4.1 ASTM D1776, Standard Practice

for Conditioning and Testing Textiles.

4.2 ASTM E1402, Standard Guide for

Sampling Design.

5. Terminology

5.1 back, n—in textiles, the side of a

fabric that is intended to be the inner sur-

face in an end product.

NOTE: Back is the opposite of face.

5.2 face, n—in textiles, the side of a

fabric that is intended to be the outer,

visible surface in an end product.

NOTE: The technical face of the fab-

ric is defined by production processes

but may not be the side selected as face

in the end product.

5.3 microclimate, n— in textiles, the

air layer immediately adjacent to one

side of a textile.

NOTE: In apparel, the microclimate

typically refers to the air layer between

skin and clothing.

5.4 water condensation, n—liquid

water droplets formed when airborne

water vapor contacts a colder surface.

6. Safety Precautions

6.1 The safety precautions specified in

the method are ancillary to the testing

procedures and are not intended to be all

inclusive.

6.2 It is the user’s responsibility to ref-

erence applicable safety data sheets, use

safe and proper techniques, and wear ap-

propriate personal protective equipment

in handling materials in this standard.

6.3 Users MUST consult manufactur-

ers for specific details such as safety data

sheets, equipment operating instruc-

tions, and other recommendations. Con-

sult and follow all applicable health and

safety regulations (e.g., OSHA standards

and rules).

7. Limitations

7.1 While this method may be used for

any textile fabric, results will vary based

on absorbency as well as vapor perme-

ability (see Appendix B).

7.2 This test method measures conden-

sation accumulation at a specific time-

point (15 min humidity exposure). Be-

cause accumulation is not linear nor

infinite, this result cannot be used to pre-

dict accumulation at other timepoints

(see Appendix B).

7.3 This test method does not address

phenomena such as rain penetration,

ventilation, wind resistance, air perme-

ability or breathability.

8. Apparatus and Materials (see 17.1)

8.1 Apparatus with inner and outer

chambers to simulate the microclimate

between human skin and clothing (in-

cluding headwear and footwear), and

sprinklers to simulate precipitation. See

Appendix A for apparatus specifications.

8.2 Specimen mounting rings.

8.2.1 Inner mounting rings (4): 165.1

mm inside diameter, 171.5 mm outside

diameter, 12.7 mm height.

8.2.2 Outer clamping rings with splash

guards (2): 172.7 mm inside diameter,

177.8 mm outside diameter, 12.7 mm

height.

8.2.3 Outer clamping rings (2): 172.7

mm inside diameter, 177.8 mm outside

diameter, 12.7 mm height.

8.3 Distilled water, for sprinkler sys-

tem reservoir and water vaporization

plate reservoir.

8.4 Filter paper, Grade 1 qualitative,

163-mm circles (see 17.2).

8.5 Balance, minimum resolution of

0.01 g.

8.6 Stopwatch, minimum resolution of

0.1, accuracy of ± 0.1 s.

8.7 Weight, 2 kg, 163-mm diameter.

9. Sampling

9.1 Test results are valid only when the

samples are statistically representative

(see ASTM E1402).

9.2 Sampling must be random. Every

unit of product must have a mathemati-

cally equal chance of becoming a sam-

ple; and every portion of each sample

must be equally likely to become a test

specimen.

9.3 All specimens must be alike within

the variations due to pure chance. There

must be no differences within samples

assignable to known causes.

10. Specimens

10.1 Cut 4 specimens of the test fabric

per sample, with a minimum dimension

of 200 mm in each direction.

10.1.1 Specimens may be round, rect-

angular, or a non-standard shape, but

must be large enough to cover the ports

of the test apparatus and be secured by

the specimen rings.

10.1.2 Mark pertinent identification of

construction (e.g., warp, course, face,

water repellent finish side) on each spec-

imen. Mark which 2 specimens will be

tested with simulated precipitation from

sprinklers and which 2 specimens will be

tested dry.

10.1.3 For multi-layer fabric systems,

secure all layers together, leaving an

open area (no stitches or other means of

attachment) of at least 152.4 mm diame-

ter. Use the open area for testing.

10.2 Use 4 pieces of filter paper. Cut

to 163-mm circles.

AATCC TM214-2022e

Test Method for Measuring Condensation

on Textiles in a Humid Microclimate

Provided by Accuris under license with AATCC

No reproduction or networking permitted without license from Accuris Not for Resale, 2025-04-14 18:24:10 UTC

Sold to: Nawal Analytical Labs India Private limited

Order Number: 00015024

AATCC Manual of International Test Methods and Procedures/2025 AATCC TM214-2022e 451

10.2.1 With indelible ink, mark each

piece of filter paper with consecutive

numbers or letters for identification pur-

poses.

11. Conditioning

11.1 Bring specimens and filter paper

to moisture equilibrium in a standard at-

mosphere according to ASTM D1776.

Use conditions listed for Textiles, Gen-

eral.

12. Preparation of Apparatus

12.1 Secure a cap or other non-porous

material over each opening in the test ap-

paratus.

12.2 Fill the sprinkler reservoir. Do

not add water above the maximum fill

level indicated by the manufacturer.

12.3 Fill the water vaporization plate

reservoir to the top with distilled water.

12.4 Set the sprinkler reservoir

temperature to 10°C.

12.5 Set the inner chamber air temper-

ature to 35°C.

12.6 Set the inner chamber humidity to

95%.

12.7 Allow the apparatus to reach the

prescribed settings.

13. Procedure

13.1 Measure the mass of each condi-

tioned filter paper circle. Record filter

paper identification and conditioned

mass to the nearest 0.01 g.

13.2 Perform tests in the standard at-

mosphere for testing textiles.

13.3 When the apparatus inner cham-

ber reaches 35°C and 95% RH, remove

the cap from each opening.

13.3.1 If the machine has been idle for

more than 30 min., run a full test cycle

with the caps or non-porous material in

place. Remove caps before mounting

fabric specimens.

13.4 Place the specimens over the

openings using the mounting and clamp-

ing rings. Place the rings with splash

guards on the side with sprinkler heads.

See Fig. 1. It is important that the speci-

mens are pulled taut such that the mate-

rial is free from creases or dips that can

fill with moisture. First-level saturation

of the material will impair transmission

and affect the results.

13.5 Begin test within 5 minutes of

mounting the test specimen Start sprin-

klers and timer. Keep inner chamber set-

tings at 35°C and 95% RH throughout

the test.

13.6 After 15 min., stop sprinklers and

prepare stopwatch.

13.7 Remove one specimen. If addi-

tional tests are to be performed. cover the

opening with a cap. Immediately place

the specimen on a flat surface, face

down.

13.8 After 20 s, place a pre-weighed

filter paper circle on the back of the

specimen, inside the ring. Place the 2-kg

weight on the filter paper for 15 s.

13.9 Remove the weight. Measure the

mass of the wet filter paper circle.

Record filter paper identification and wet

mass to the nearest 0.01 g.

13.10 Repeat 13.7-13.9 for remaining

specimens. After the final specimen, dry

all rings and splash covers.

14. Calculation

14.1 For each specimen, calculate the

condensation accumulation to the nearest

g/m² using Eq. 1.

C = (Wa – Wb)/0.02088 (Eq. 1)

where:

C = Condensation accumulated,

Wa= Mass of filter paper after blot-

ting specimen (g),

Wb= Mass of filter paper before blot-

ting specimen (g),

0.02088 = Surface area of 163-mm di-

ameter filter paper (m²),

Round up to the nearest whole number

15. Report

15.1 Describe or identify the sample

tested.

15.2 Report that the sample was tested

using AATCC TM214-2022.

15.3 Report the testing conditions:

15.3.1 Specimen side tested (face or

back).

15.4 Report the test results:

15.4.1 Quantity of water condensation

accumulated for each specimen (g/m²),

to the nearest whole number. Note which

specimens were tested with and without

simulated precipitation.

15.4.2 Mean condensation accumula-

tion of the dry specimens.

15.4.3 Standard deviation of condensa-

tion accumulation for the dry specimens.

Fig 1a. Mounting procedure for specimens tested dry.

Outer Clamping Ring

Inner Mounting Ring

Specimen

Place Specimen over

Inner Mounting Ring

Place Specimen Clamping Ring over

Specimen and Inner Mounting Ring

Provided by Accuris under license with AATCC

No reproduction or networking permitted without license from Accuris Not for Resale, 2025-04-14 18:24:10 UTC

Sold to: Nawal Analytical Labs India Private limited

Order Number: 00015024

452 AATCC TM214-2022e AATCC Manual of International Test Methods and Procedures/2025

15.4.4 Mean condensation accumula-

tion of the sprayed specimens.

15.4.5 Standard deviation of condensa-

tion accumulation for the sprayed speci-

mens.

15.5 Describe any modification(s) of

the published method, including alter-

nate test duration.

16. Precision and Bias

16.1 Precision—Between-laboratory

precision has not been established for

this test method. Until such precision in-

formation is available, users of the

method should use standard statistical

techniques in making any comparison of

test results for between-laboratory aver-

ages. A single-laboratory test was run in

2019 in which 10 randomly-drawn speci-

mens of a 3-layer water-resistant fabric

were tested by a single operator. Confi-

dence intervals for the single-lab study

are found in Table I.

16.2 A single-laboratory test run in

2021 in which 2 operators used 10 sam-

ples each from the same roll of water-re-

sistant fabric on a wet test and a further

10 samples each on a dry test (see 3.1 for

test options) to define the possible opera-

tor variable on achieved results. The re-

sults can be seen in Table 2 and Table 3.

16.3 Bias. Condensation accumulation

can be defined only in terms of a test

method. There is no independent method

for determining the true value. As a

means of estimating this property, the

method has no known bias.

17. Notes

17.1 For potential apparatus, reagents or ma-

terials sources, visit the AATCC Buyer’s Guide

at www.aatcc.org/bg. AATCC provides its Cor-

porate members the option to list their items and

services. AATCC does not qualify, or in any

way approve, endorse or certify that any of the

listings meet the specifications in its standards.

17.2 Use Grade 1 qualitative filter paper

meeting the following specifications:

Pore size: 11 µm

Thickness: 160-200 µm

Basis Weight: 85-90 g/m²

18. History

18.1 Editorially revised in 2024 to update

images and reference locations.

18.2 Developed in 2022 by AATCC Com-

mittee RA63.

Appendix A

Test Apparatus

A1. The apparatus produces water

condensation on test specimens. Conden-

sation is formed by different temperature

and humidity conditions in the inner and

outer chambers.

A2. The outer chamber contains a sprin-

kler system to simulate rain. The water

temperature is regulated at 10°C ± 1.5°C.

The flow rate is regulated to cause falling

droplets to land on test specimens at a 30°

± 5° angle. See Fig. A1 and Fig. A2.

Fig 1b. Mounting procedure for specimens tested with simulated precipitation.

Table I—Within-Laboratory Confidence Intervals

Sample Mean (g/m2) St. Dev. 95% Confidence

A545.84.2

Table 2—Operator 1 Comparison Results (g/m²/h)

Option A (Wet Test) Option B (Dry Test)

Test 1-5 Average Test 6-10 Average Test 1-5 Average Test 6-10 Average

222.991 224.673 7.850 8.073

Table 3—Operator 2 Comparison Results (g/m²/h)

Option A (Wet Test) Option B (Dry Test)

Test 1-5 Average Test 6-10 Average Test 1-5 Average Test 6-10 Average

218.131 219.065 7.290 8.224

Outer Clamping Ring

Inner Mounting Ring

Specimen

Place Specimen over

Inner Mounting Ring

Place Outer Clamping Ring with Splash Guard

over Specimen and Inner Mounting Ring

Splash Guard

Provided by Accuris under license with AATCC

No reproduction or networking permitted without license from Accuris Not for Resale, 2025-04-14 18:24:10 UTC

Sold to: Nawal Analytical Labs India Private limited

Order Number: 00015024

文档加载中……请稍候！
如果长时间未打开，您也可以点击刷新试试。

下载文档到电脑，查找使用更方便

亲，本站95%以上的标准规范都面向会员免费，办理VIP会员下载更省钱，平均每篇不到2元

立即下载

标签： #测量 #测试方法 #纺织品

摘要：

本规范文档标题为AATCC TM214-2022e，主要介绍了在潮湿微气候条件下测量纺织品表面凝露现象的标准测试方法。该标准由美国纺织化学师与印染师协会（AATCC）发布，适用于评估织物在高温高湿环境中的水分凝结行为，尤其对于户外服装、运动面料及功能性纺织品的舒适性和防潮性能具有重要指导意义。通过模拟人体出汗或高湿环境下的微气候状态，该方法能够定量分析织物表面形成液态水的时间、分布及程度，为纺织品的吸湿排汗、透湿性及热湿传递研究提供科学依据。文档详细规定了测试设备、样品准备、环境条件、操作步骤及

展开>> 收起<<

AATCC TM214-2022e 潮湿微气候下测量纺织品凝露的测试方法.pdf

共6页,预览3页

还剩页未读，继续阅读

声明：本文档系会员上传，若文档所含内容侵犯了您的版权或隐私，请立即通知，我们立即给予侵权申诉删除！

AATCC TM214-2022e 潮湿微气候下测量纺织品凝露的测试方法

相关推荐

开通VIP享超值会员特权

相关内容

热门标签

举报选择: