O'Neill Industrial Corporation

FLEXIBLE CURTAIN NOISE CONTROL SYSTEMS are moveable, modular panels of flexible reinforced vinyl construction which reduces airborne noise by providing a barrier around a noise source. Clear vinyl barriers are available as windows, curtains, panels or walk-through strip curtains. Standard sizes are 54" wide x 8' or to specified height.

BENEFITS:

• Safe, non-lead, USDA approved, grey barrier material
• Low flame and smoke quilted blanket, as per
• ASTM E-84 test
• Long lasting, and resistant to dirt, dust, moisture,
• rot, oil, grease, and mild acids and alkalis
• Effective noise transmission loss and noise absorption

FEATURES:

• Tough tear resistant high tensile reinforced grey barrier
• Panel top edges are strengthened with heavyweight
• reinforced black vinyl film
• Durable brass grommets are inserted along top edge on
• 1' centers for hanging purposes
• Quilted thick noise absorbing fiberglass aluminum grey
• blanket, edge bound, and sewn onto one side of the
• barrier, for maximum noise reduction
• Panel side edges have sewn on black Velcro hook and
• loop to seal noise leaks and provide breakthrough
• accessibility and portability of the curtain system

ACOUSTICAL PROPERTIES
Noise Transmission Loss (ASTM E-90 Free Hanging)
PART NO.	DESCRIPTION	FREQUENCY (Hz)
PART NO.	DESCRIPTION	125	250	500	1K	2K	4K	STC
227-G254	1/2 Lb/Ft² Flex. Vinyl; 1" Thk Glass Blkt.	11	12	15	20	26	32	20
341-G254	3/4 Lb/Ft² Flex. Vinyl; 1" Thk Glass Blkt.	10	16	23	28	31	37	25
454-G254	1 Lb/Ft² Flex. Vinyl; 1" Thk Glass Blkt.	15	19	21	28	33	37	27
454C	1 Lb/Ft² Clear Flex. Vinyl	14	19	23	28	33	37	26
227C-2	1/2 Lb/Ft² Clear Flex. Vinyl 8" Wide, 100% Overlap	14	19	23	28	33	37	26

ACOUSTICAL PROPERTIES
Quilted Blanket & Baffles ASTM C-423
PART NO.	DESCRIPTION	FACING	FREQUENCY (Hz)
PART NO.	DESCRIPTION	FACING	125	250	500	1K	2K	4K	NRC
G254F	1" Thk x 2' x 4' or 8'	Cloth Grey	.05	.46	.92	.83	.58	.27	.70
G508F	2" Thk x 2' x 4' or 8'	Cloth Grey	.35	.78	.88	.74	.54	.29	.75
G508P	2" Thk x 2' x 4'	Poly Film	.22	.67	.98	1.02	.98	1.00	.90

MECHANICAL PROPERTIES
PROPERTY	MATERIALS	TEST METHOD	RESULT
Break Strength	Barrier	FTMS 191A-M5102	Warp 150 Lbs/In Fill 120 Lbs/In
Tear	Barrier	ASTM D1117	Warp 45 Lbs/In Fill 30 Lbs/In
Density	Blanket	ASTM C167	2 Lbs/Ft²
Service Temperature	Barrier/Blanket		-20°F to 180°F
K Factor	Blanket	ASTM C177	.25
Flammability	Barrier DOT MVSS 302 ASTM E-84	FTMS 191A Barrier/Blanket Blanket G254F Blanket G508F	After Flame 3 Sec After Glow 8 Sec Char Length 7.6 In Pass Flame Spread 7 Smoke Density 5 Fuel Contribution 20
	ASTME-84	Baffle G508P	Flame 20 Smoke 15