Attenuation Data Sheet for PolysheerII made Earplugs

INDIVIDUAL & SUMMARY ATTENUATION DATA POLY-SHEER II
Test Method:		ANSI S3.19-1974			Position:	Insert
Manufacturer:		PCL			Model:	Poly-Sheer II Custom Molds
Frequency In Hertz
Subject	125	250	500	1000	2000	3150	4000	6300	8000
1	33	37	38	35	34	43	43	47	50
	34	32	31	32	42	41	44	51	53
	33	33	31	31	39	44	43	51	52
2	37	39	40	38	38	44	45	40	45
	39	36	40	42	41	42	43	39	44
	38	40	39	38	40	44	44	42	45
3	30	30	34	32	38	37	47	41	40
	30	32	31	32	35	42	46	40	41
	30	33	36	33	36	36	42	40	39
4	33	42	45	41	33	40	47	38	41
	33	40	39	38	30	45	50	42	45
	35	37	46	39	30	44	45	43	47
5	34	37	35	35	42	47	47	49	46
	35	43	44	36	42	48	49	49	45
	37	37	38	32	42	46	46	46	48
6	36	35	41	36	40	48	49	46	42
	36	32	34	35	35	45	48	44	42
	38	30	34	34	35	44	46	44	42
7	25	30	30	27	31	35	40	47	48
	25	29	32	30	36	40	36	39	42
	26	28	32	28	30	36	35	38	39
8	33	35	41	36	40	47	48	51	50
	34	35	34	34	36	47	48	53	51
	33	35	36	32	36	45	50	52	49
9	34	32	38	34	36	45	44	45	46
	34	34	34	34	37	42	44	44	44
	29	31	32	30	38	41	44	41	43
10	35	34	40	38	35	38	37	37	43
	30	32	37	38	34	39	37	38	43
	37	34	37	38	33	37	36	39	42
Means	33.2	34.5	36.6	34.6	36.5	42.4	44.1	43.9	44.9
Std. Dev.	3.7	3.8	4.3	3.6	3.7	3.8	4.3	4.8	3.8
NRR =28 dB
Use these laboratory-derived data for comparison purposes only. The amount of protection afforded in field use is often significantly lower depending on how the protectors are fitted and worn.