Table 3 Heat release test data (as measured according to test method (open furniture calorimeter) described in Cal TB 129) for various mattress constructions (Damant & Nurbakhsh [1992])

Innerspring

Conventional non-FR PUF

Without foundation

337 ± 57

376 ± 104

8.300

With foundation

366

375.5

9.389

With bedclothes*

528

454

11.249

California TB 117 grade FR PUF foam

Without foundation

296 ± 84

277 ± 61

7.574

With foundation

416

400

9.480

Highly filled melamine type foam

-

453 ± 95

458 ± 59

9.842

Neoprene type foam

-

48 ± 28

75.5

0.589

Neoprene type foam

-

50 ± 24

100.5

0.589

2.54 cm (1 in) conventional non-FR PUF pad Shredded polyester fiber insulator pad

Reinforced vinyl cover

335

282

4.762

1.27 cm ( ½ in ) conventional non-FR PUF pad FR cotton batting-boric acid treated Shredded polyester fiber insulator pad

Reinforced vinyl cover

29

75.5

0.181

FR cotton batting-boric acid treated Boric acid treated insulator pad

Reinforced vinyl ticking

17

69.4

0.090

FR PUF foam

Vinyl ticking, Topper pad of FR foam and glass barrier

65

123

1.723

FR cotton batting

Woven ticking with aluminized barrier

100

142

2.857

FR cotton batting

Vinyl ticking

71

127

2.086

FR cotton batting/ FR insulator pad

Non-woven FR barrier quilted to Cal 117 foam and FR woven ticking,

60

129

2.313

Fire barrier ( thin layer of highly fire resistant cellular foam bonded to fiberglass fabric)

-

22

63.3

0.226

Fire barrier ( highly engineered fire resistant cover fabric)

-

20

70

0.090

Boric acid treated cotton filling

-

22 ± 1

65.5

0.408 ± 0.206

Solid core foam

FR PUF foam

Vinyl ticking

85

117

2.117

Highly filled melamine type foam

Woven ticking

62

134

1.587

Boric acid treated cotton

-

22

73.8

0.362

Conventional non-FR PUF

-

1716

1031

3.764

California TB 117 grade FR PUF

-

339

406

7.983

Highly filled melamine type foam

-

39

86.6

0.816