mattress fire barrier technology
DESCRIPTION
A presentation on the current mattress open flame standard and various types of flame-retardant mattress materials and treatments.TRANSCRIPT
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Mattress Fire Barrier Technology
Presented to:
U.S. Consumer Product Safety Commission
Upholstered Furniture Fire Safety Technology Meeting
April 25, 2013
By:Steve Wolf
Jones Fiber Products, Inc.
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Topics Discussed
1. Brief overview of 16 CFR 1633, mattress open flame standard
2. Mattress fuel loads protected by FR barrier materials3. Mattress geometries protected by FR barrier materials4. Various types of FR barriers used in the mattress
industry5. Technologies and FR treatments6. Bench scale test methods addressing both cigarette and
open flame ignition7. Cigarette versus open flame ignition8. Cost considerations
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16 CFR 1633
Unprotected bed set – Start of test
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16 CFR 1633
Unprotected bed set – 70 seconds
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16 CFR 1633
Unprotected bed set – 2 minutes
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16 CFR 1633
Unprotected bed set – 2 minutes, 50 seconds
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16 CFR 1633
Protected bed set – start of test
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16 CFR 1633
Protected bed set result
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Mattress Industry Desires for FR Barriers
1. “Drop-in” or “Substitute” product for manufacturer2. White in color3. No free FR chemicals on product4. Durable over the life of the end use product5. Comfortable and invisible to the consumer6. Availability of national distribution channels7. Economical
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Mattress Fuel Loads Protected by FR Barriers
1. Wood in foundations2. Non-FR fiber pads3. Standard polyurethane foam4. Memory foam5. Latex foam6. Gel foam
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Mattress Geometries
Vertical and horizontal surfaces
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Mattress Geometries
Tight-top mattress with foundation crevice
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Mattress Geometries
Euro top
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Mattress Geometries
One-sided pillow top crevice
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Mattress Geometries
Two-sided pillow top with foundation crevice
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Mattress Geometries
Crevice burn
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Various Types of FR Barriers
Highloft Nonwoven Densified Nonwoven Densified Nonwoven Laminated Nonwoven Laminated Nonwoven
Knitted Socks
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Technologies and FR Treatments
1. Highloft nonwovens
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Technologies and FR Treatments
1. Highloft nonwovens2. Densified nonwovens
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Technologies and FR Treatments
1. Highloft nonwovens2. Densified nonwovens3. Mattress tickings laminated to nonwovens
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Technologies and FR Treatments
1. Highloft nonwovens2. Densified nonwovens3. Mattress tickings laminated to nonwovens4. FR fabrics and FR tickings
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Technologies and FR Treatments
1. Highloft nonwovens2. Densified nonwovens3. Mattress tickings laminated to nonwovens4. FR fabrics and FR tickings5. Socks
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FR Treatments
1. Inherent FR rayon
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FR Treatments
1. Inherent FR rayon2. Wool
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FR Treatments
1. Inherent FR rayon2. Wool3. Glass fibers, ceramic fibers and para-aramids
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FR Treatments
1. Inherent FR rayon2. Wool3. Glass fibers, ceramic fibers and para-aramids4. Chemical treatments for cotton and non-FR
rayon fibers
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UFAC Test Method for Cigarette Ignition Resistance
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Cigarette Test – ASTM D5238-10
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Cigarette Test – ASTM D5238-10
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Open Flame Test Methods
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Open Flame Test Methods Temperature Sensing Device Horizontal Specimen Mounting Vertical Specimen Mounting
Horizontal Meeker/Fisher Burner Vertical T-Burner
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Open Flame Test MethodsVertical
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Open Flame Test Methods
1 2 3 4 5 6 7 8 9 10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
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46
47
48
49
50
51
52
53
54
55
0
50
100
150
200
250
300
350
400
450
500
Vertical Thermal Transfer
1 23.7
2 24.8
3 23.9
4 24.8
5 24.1
Average
Time Sec.
Tem
p.
F
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Open Flame Test MethodsHorizontal – Based on ASTM 7140-07
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Open Flame Test MethodsHorizontal – Based on ASTM 7140-07
10
100
200
300
400
500
600
700
800
Horizontal Thermal Transfer
1 7.7
2 7.8
3 7.7
4 7.7
5 7.8
Average
Time Sec.
Tem
p. F
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Char Strength Test MethodsBall Burst – Based on ASTM 6797-07
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Char Strength Test MethodsBall Burst – Based on ASTM 6797-07
0.00
00.
067
0.13
30.
200
0.26
70.
333
0.40
00.
467
0.53
30.
600
0.66
70.
733
0.80
00.
867
0.93
31.
000
1.06
71.
133
1.20
01.
267
1.33
30
20
40
60
80
100
120
140
160
180
200
Char Strength
Series1
Series2
Series3
Series4
Series5
Average
Travel Inch
Fo
rce
Gra
m
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Cigarette vs. Open Flame Ignition
FR barriers and the materials FR barriers are designed to protect can react very differently to
cigarette versus open flame ignition sources.
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Cost ConsiderationsThe choice of FR barrier used in the mattress industry is
very dependent on the fuel load the FR barrier is designed to protect and the geometries of the mattress
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Cost ConsiderationsThe choice of FR barrier used in the mattress industry is
very dependent on the fuel load the FR barrier is designed to protect and the geometries of the mattress
For most mattress applications using high loft or densified nonwoven materials, the weight basis used ranges from 0.5 to 1.0 ounces per square foot. In generalities, the cost of these barriers will be in the range of $0.065 to $0.135 per square foot. The cost of laminating nonwoven FR barriers to mattress tickings can be estimated at $0.045 to $0.055 per square foot as a ball park range.