Name: ASTM D 2475 : 2001 : R2008
Brand: ASTM
Availability: InStock

Standard Specification for Felt

Superseded date

11-11-2014

Superseded by

ASTM D 2475 : 2001 : R2013

Published date

01-08-2008

Publisher

American Society for Testing and Materials

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CONTAINED IN VOL. 07.01, 2016 Defines all standard types of felt in the form of rolls and sheets that are suitable for mechanical use.

Committee	D 13
DevelopmentNote	Supersedes ASTM D 944 and ASTM D 1114. (02/2002)
DocumentType	Standard
ProductNote	Reconfirmed 2008
PublisherName	American Society for Testing and Materials
Status	Superseded
SupersededBy	ASTM D 2475 : 2001 : R2013
Supersedes	ASTM D 2475 : 2001

1.1 This specification covers all standard types of felt in the form of rolls and sheets that are suitable for mechanical use. Certain special-purpose felts are also covered.

1.2 This specification is not applicable to felt-like products that utilize weaving, knitting, stitching, or bonding such as papermaker's felt.

1.3 Trade practice in the felt industry deals in pounds, yards, and inches, therefore the values stated in inch-pound units are to be regarded as standard. The values in SI units are provided as information only.

1.3.1 The specification referenced in 2.2 uses only inch-pound units.he percent specific gravity of that class.

TABLE 1 Wool Sheet Felt: Thickness and Mass (Weight)



ASTM (NTA) Class	Color	Thickness, in.			Thickness, mm			Mass (Weight) lb/yd²		Mass (Weight) kg/m²
		Nominal	Tolerances		Nominal	Tolerances		Nominal	Tolerances	Nominal	Tolerances
		Nominal	Sheets	Cut Parts	Nominal	Sheets	Cut Parts	Nominal	Tolerances	Nominal	Tolerances
26S1	White	0.125	± 0.014	± 0.016	3.17	± 0.35	± 0.41	1.50	± 0.10	0.81	± 0.05
26S4	Gray	0.188	0.016	0.018	4.78	0.41	0.46	2.25	0.15	1.22	0.08
		0.250	0.020	0.022	6.35	0.51	0.56	3.00	0.20	1.63	0.11
		0.313	0.022	0.024	7.95	0.56	0.61	3.75	0.25	2.04	0.14
		0.375	0.024	0.026	9.52	0.61	0.66	4.50	0.30	2.44	0.16
		0.500	0.030	0.032	12.70	0.76	0.81	6.00	0.40	3.26	0.22
		0.625	0.035	0.037	15.88	0.89	0.94	7.50	0.45	4.07	0.24
		0.750	0.040	0.042	19.05	1.02	1.07	9.00	0.50	4.89	0.27
		0.875	0.046	0.048	22.23	1.17	1.22	10.50	0.55	5.70	0.30
		1.000	0.051	0.053	25.40	1.30	1.35	12.00	0.60	6.52	0.33
		1.250	0.062	0.065	31.75	1.57	1.65	15.00	0.70	8.15	0.38
		1.500	0.072	0.075	38.10	1.83	1.91	18.00	0.80	9.77	0.43
		1.750	0.083	0.085	44.45	2.11	2.16	21.00	0.90	11.40	0.49
		2.000	0.094	0.098	50.80	2.39	2.49	24.00	1.00	13.03	0.54
		2.500	0.115	0.119	63.50	2.92	3.02	30.00	1.05	16.29	0.57
		3.000	0.136	0.141	76.20	3.45	3.58	36.00	1.10	19.55	0.60
34S1	White	0.125	0.012	0.014	3.17	0.30	0.36	2.00	0.10	1.09	0.05
34S2	White	0.188	0.012	0.014	4.78	0.30	0.36	3.00	0.15	1.63	0.08
34S3	White	0.250	0.016	0.018	6.35	0.41	0.46	4.00	0.30	2.17	0.16
34S4	Gray	0.313	0.017	0.019	7.95	0.43	0.48	5.00	0.35	2.71	0.19
		0.375	0.019	0.021	9.52	0.48	0.53	6.00	0.40	3.26	0.22
		0.500	0.022	0.024	12.70	0.56	0.61	8.00	0.50	4.34	0.27
		0.625	0.026	0.028	15.88	0.66	0.71	10.00	0.60	5.43	0.33
		0.750	0.029	0.031	19.05	0.74	0.79	12.00	0.70	6.52	0.38
		0.875	0.032	0.034	22.23	0.87	0.86	14.00	0.75	7.60	0.41
		1.000	0.036	0.038	25.40	0.91	0.97	16.00	0.80	8.69	0.43
		1.250	0.042	0.045	31.25	1.07	1.14	20.00	0.90	10.86	0.49
		1.500	0.049	0.052	38.10	1.24	1.32	24.00	1.00	13.03	0.54
		1.750	0.056	0.059	44.45	1.42	1.50	28.00	1.10	15.20	0.60
		2.000	0.063	0.067	50.80	1.60	1.70	32.00	1.20	17.38	0.65
		2.500	0.076	0.080	63.50	1.93	2.03	40.00	1.25	21.72	0.68
		3.000	0.090	0.095	76.20	2.29	2.41	48.00	1.30	26.06	0.71
43S1	White	0.125	0.012	0.014	3.17	0.30	0.36	2.50	0.30	1.36	0.16
43S2	White	0.188	0.012	0.014	4.78	0.30	0.36	3.75	0.35	2.04	0.19
43S3	White	0.250	0.014	0.016	6.35	0.36	0.41	5.00	0.40	2.71	0.22
43S4	Gray	0.375	0.016	0.019	9.52	0.41	0.48	7.50	0.50	4.07	0.27
		0.500	0.019	0.022	12.70	0.48	0.56	10.00	0.60	5.43	0.33
		0.625	0.022	0.025	15.88	0.56	0.64	12.50	0.70	6.79	0.38
		0.750	0.025	0.028	19.05	0.63	0.71	15.00	0.80	8.15	0.43
		0.875	0.027	0.030	22.23	0.69	0.76	17.50	0.90	9.50	0.49
		1.000	0.030	0.033	25.40	0.76	0.84	20.00	1.00	10.86	0.54
		1.250	0.036	0.040	31.15	0.91	1.02	25.00	1.10	13.56	0.60
		1.500	0.041	0.045	38.10	1.04	1.14	30.00	1.20	16.29	0.65
		1.750	0.047	0.051	44.45	1.19	1.30	35.00	1.30	19.00	0.71
		2.000	0.053	0.058	50.80	1.35	1.47	40.00	1.40	21.72	0.76
		2.500	0.064	0.070	63.50	1.63	1.78	50.00	1.45	27.15	0.79
		3.000	0.075	0.082	76.20	1.90	2.08	60.00	1.50	32.58	0.81
56S1	White	0.125	0.010	0.014	3.17	0.25	0.36	3.25	0.40	1.76	0.22
56S2	White	0.188	0.010	0.014	4.78	0.25	0.36	4.90	0.50	2.66	0.27
56S3	White	0.250	0.011	0.016	6.35	0.28	0.41	6.50	0.60	3.53	0.33
S654	Gray	0.375	0.013	0.018	9.52	0.33	0.46	9.75	0.80	5.29	0.43
		0.500	0.016	0.022	12.70	0.41	0.56	13.00	1.00	7.06	0.54
		0.625	0.018	0.024	15.88	0.46	0.61	16.25	1.10	8.82	0.60
		0.750	0.020	0.026	19.05	0.51	0.66	19.50	1.20	10.59	0.65
		0.875	0.022	0.028	22.23	0.56	0.71	22.75	1.30	12.35	0.70
		1.000	0.025	0.031	25.40	0.63	0.79	26.00	1.40	14.12	0.76
		1.250	0.029	0.036	31.75	0.74	0.91	32.50	1.50	17.65	0.81
		1.500	0.033	0.040	38.10	0.84	1.02	39.00	1.60	21.18	0.87
		1.750	0.038	0.046	44.45	0.97	1.17	45.50	1.70	24.71	0.92
		2.000	0.042	0.051	50.80	1.07	1.30	52.00	1.80	28.24	0.98
		2.500	0.050	0.061	63.50	1.27	1.55	65.00	1.85	35.29	1.00
		3.000	0.058	0.070	76.20	1.47	1.78	78.00	1.90	42.35	1.03
68S1	White	0.125	0.007	0.013	3.17	0.18	0.33	4.00	0.50	2.17	0.27
68S2	White	0.188	0.007	0.014	4.78	0.18	0.36	6.00	0.75	3.26	0.41
68S3	White	0.250	0.007	0.015	6.35	0.18	0.38	8.00	1.00	4.34	0.54
68S4	Gray	0.375	0.009	0.018	9.52	0.23	0.46	12.00	1.10	6.52	0.60
		0.500	0.011	0.020	12.70	0.28	0.51	16.00	1.20	8.69	0.65
		0.625	0.013	0.022	15.88	0.33	0.56	20.00	1.30	10.86	0.71
		0.750	0.015	0.024	19.05	0.38	0.61	24.00	1.40	13.03	0.76
		0.875	0.017	0.026	22.23	0.43	0.66	28.00	1.50	15.20	0.81
		1.000	±0.019	±0.028	25.40	±0.48	±0.71	32.00	±1.60	17.38	±0.87
		1.250	0.022	0.032	31.75	0.56	0.81	40.00	1.70	21.72	0.92
		1.500	0.026	0.036	38.10	0.66	0.91	48.00	1.80	26.06	0.98
		1.750	0.029	0.041	44.45	0.74	1.04	56.00	1.90	30.41	1.03
		2.000	0.032	0.046	50.80	0.81	1.17	64.00	2.00	34.75	1.09
		2.500	0.038	0.055	63.50	0.97	1.40	80.00	2.05	43.44	1.11

ASTM D 4845 : 2010 : R2018	Standard Terminology Relating to Wool
ASTM D 1676 : 2017	Standard Test Methods for Film-Insulated Magnet Wire

SAE J314_201208	Felts - Wool and Part Wool
ASTM D 461 : 1993	Standard Test Methods for Felt (Withdrawn 2004)

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ASTM D 2475 : 2001 : R2008

Standard Specification for Felt

Abstract

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