PORON 4790-79 Display Back Pad Foam

Rogers PORON 4790-79 display back pad foam is a firm material for vibration management and shock absorption in portable electronic applications.

PORON 4790-79 display back pad foam is a thin material that allows for excellent energy management.

By absorbing and distributing impact energy, this firm foam prevents cracks in displays.

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PORON 4790-79 Display Back Pad Foam Size

PORON 4701-60: VERY FIRM COLOR: BLACK (04)
PRODUCT NUMBER	PRODUCT DESCRIPTION	DENSITY		THICKNESS		TYPICAL ROLL SIZE
		DENSITY		THICKNESS		WIDTH		LENGTH		TOTAL		APPROX. WEIGHT
		lbs/ft3	kg/m3	inches	mm	inches	mm	feet	m	ft2	m2	lbs.	kg
3028591	4790-79-12080-04	12	192	0.08	2.03	54T	1372	156	47	702	65.2	66	30
3028590	4790-79-12158-04	12	192	0.158	4.01	54T	1372	130	39	585	54	100	46
3021170	4790-79-15250-04	15	240	0.25	6.35	54T	1372	80	24	360	33	128	58
3022860	4790-79-20062-04	20	320	0.062	1.57	54T	1372	156	47	702	65.2	80	37
3022862	4790-79-20093-04	20	320	0.093	2.36	54T	1372	156	47	702	65.2	120	55
PORON 4790-79: SHOCK SEAL - Supported with 2 mil PET
3028342*	4790-79-09021-04 P	9	144	0.021	0.53	40T	1016	350	106.7	1166	108.4	45	20
3017582*	4790-79-09030-04 P	9	144	0.03	0.75	48T	1219	350	106.7	1400	130.1	66	30
3014388*	4790-79-09039-04 P	9	144	0.039	1	48T	1219	300	91.4	1200	111.5	75	34
3017583*	4790-79-12021-04 P	12	192	0.021	0.53	54T	1372	475	144.8	2137	198.6	85	39
3017580*	4790-79-12030-04 P	12	192	0.03	0.75	54T	1372	400	121.9	1800	167.2	87	39
3014387*	4790-79-12039-04 P	12	192	0.039	1	54T	1372	350	106.7	1575	146.3	93	42

PROPERTY	TEST METHOD	TYPICAL VALUE
PHYSICAL
Density, kg /m3 (lb / ft3)	ASTM D 3574-95, Test A	192 (12)	240 (15)	320 (20)
Tolerance, %		± 10
Thickness, mm (inches)		2.03 (0.080) 4.01 (0. 158) 9.35 (0.375)	3.18 (0. 125) 6.35 (0.250)	1.57 (0.062) 2.36 (0.093)
Tolerance, %		± 10
Standard Color (Code)		Black (04)
Compression Force Deflection, kPa (psi)	ISO 6916- 1 30mm/min Strain Rate Force Measured @ 25% Deflection	23 (3)	N/A	92 (13)


Compression Set, % max.	ISO 1856 Test A @ 70。C	0.60%	N/A	1. 1%
Compression Set, % max.	ISO 1856 Test A @ 70。C	0.60%	N/A	1. 1%
ELECTRICAL
Dielectric Strength, kV/mm	IEC 243- 1	1.7	N/A	2.3
Volume Resistivity, ohm-cm	IEC 60093	7.41E+12	N/A	7.92E+14
Surface Resistivity, ohm/sq	IEC 60093	1.38E+14	N/A	8.73E+14
TEMPERATURE RESISTANCE
Recommended Constant Use, max.	UL 157	90°C
Recommended Intermittent Use, max.	UL 157	121°C
Embrittlement	ISO 974(E)	-38°C
FLAMMABILITYAND OUTGASSING
Flammability	UL 94HBF (File E20305)	N/A	N/A	N/A
Flammability	Min. thickness Passed, mm (in)	N/A	N/A	N/A
	ISO 3795, DIN 75200
	Min. thickness Passed, mm (in)	4.01 (0. 158) 60	N/A	1.57 (0.062) 81
	Max. burn rate (mm/min)
	MVSS 302 (Pass >)	6.35 (0.250)	3.18 (0. 125)	1.57 (0.062)
	Min. thickness Passed, mm (in)	6.35 (0.250)	3.18 (0. 125)	1.57 (0.062)
Fogging	ISO 6452, DIN 75201	PASS	PASS	PASS
ENVIRONMENTAL
Gasketing and Sealing	UL JMST2 (Consisting of UL50 and UL508)	File MH15464