Mullen Burst Test Ratings For Fabric
Obtained using burst tester with 1.24-inch (31.5 mm) diameter opening. Per ASTM D751.
Style #
1 Ply
2 Ply
3 Ply
4 Ply
3205
370 psig
(26 bar)
860 psig
(59 bar)
1000+ psig
(69+ bar)
1000+ psig
(69+ bar)
3206
315 psig
(22 bar)
655 psig
(45 bar)
950 psig
(66 bar)
1000+ psig
(69+ bar)
3207
1200+ psig
(83+ bar)
-
-
-
3210
1200+ psig
(83 bar)
-
-
-
Neoprene Diaphragm Sheet Specifications
Product
Durometer
(Shore A)
**
Typical Tensil
psi [bar]
(Minimum)**

Ultimate
Elongation
(% Min.)

Weight
Fabric
Oz./Yd²
Width*
Inches
[mm]
Standard Gauge*
Inches
[mm]
Temperature
Range
Style #3205
Black-Smooth
65-75
1,500 (1,400)
[104 (97)]
300
7.5
Polyester
56
[1422]
1/16 thru 1/4
[1.6 thru 6.4]
-20°F to +200°F
[-29°C to +93°C]
Style #3206
Black-Smooth
65-75
1,500 (1,400)
[104 (97)]
300
14.0
Cotton
56
[1422]
1/16 thru 1/4
[1.6 thru 6.4]
-20°F to +200°F
[-29°C to +93°C]
Style #3210
Black-Smooth
65-75
1,500 (1,400)
[104 (97)]
300
14.0
Nylon
56
[1422]
1/16 thru 1/4
[1.6 thru 6.4]
-20°F to +200°F
[-29°C to +93°C]
Style #7992
Black-Smooth
45-55
1,800 (1,500)
[124 (104]
375
19.8
Cotton
48
[1219]
1/16 thru 1/4
[1.6 thru 6.4]
-20°F to +250°F
[-29°C to +121°C]
Style #8798
Black-Smooth-Cloth
65-75
1,500 (1,400)
[104 (104)]
N/A
14.0
Cotton
48
[1219]
1/16 thru 1/4
[1.6 thru 6.4]
-20°F to +250°F
[-29°C to +121°C]

*Refer to "Sheet Rubber Tolerances"
**Figures are for rubber compound without fabric.

***Made To Order