Bellofram Closed Cell Silicone Sponge Cord Extrusions

Sometimes the simplest shape is the solution to your gasketing or sealing problems. Bellofram Silicones can produce closed cell silicone sponge cord extrusions in diameters ranging from 0.125 inch up to 2.000 inches. Metric lengths are available upon special request. Our proprietary in-house silicone mixing technologies allows us to produce materials to all five hardness ranges of ASTM-D-1056, from soft 2D1 to the extra firm 2D5. We are on the qualified products list for Boeing specs BMS 1-23K, and all three hardness ranges of BMS 1-60H. We are able to produce closed cell silicone sponge cord and extrusions with a compression set value of 10%, in a wide variety of colors.

Please contact us for a quote or sample today. These items are also available in our online shopping cart in standard lengths, click here to order now. For custom lengths or other requirements not listed here, please consult factory.


CLOSED CELL SILICONE SPONGE CORD COLOR AND DENSITY GUIDE

SILICONE
SPONGE COLOR
SOFT
(51X4)
MEDIUM SOFT
(52X4)
MEDIUM
(53X4)
MEDIUM FIRM
(54X4)
FIRM
(55
X4)
    ORANGE  (X=0) 5104 5204 5304 5404 5504
    BLACK    (X=1) 5114 5214 5314 5414 5514
    GREY      (X=2) 5124 5224 5324 5424 5524
    WHITE    (X=3) 5134 5234 5334 5434 5534
    BLUE      (X=4) 5144 5244 5344 5444 5544
    PINK       (X=5) 5154 5254 5354 5454 5554
    YELLOW  (X=6) 5164 5264 5364 5464 5564
    GREEN    (X=8) 5184 5284 5384 5484 5584
    TAN        (X=9) 5194 5294 5394 5494 5594

Cord-Diameter

BELLOFRAM CLOSED CELL SILICONE SPONGE CORD PART SELECTION AND ORDERING GUIDE
(Click on the Individual Links Below to Request a Part Number Specific Quotation)

OUTSIDE
DIAMETER
(in.)
TOLERANCE
(in.)
MINIMUM
BUYING
LENGTHS

(ft.)
SOFT
(51X4)

(X = color code)
MEDIUM SOFT
(52X4)
(X = color code)
MEDIUM
(53X4)
(X = color code)
MEDIUM FIRM
(54X4)
(X = color code)
FIRM
(55X4)
(X = color code)
0.125″ ±0.032″ 100 51X4-0000-00125-22 52X4-0000-00125-22 53X4-0000-00125-22 54X4-0000-00125-22   55X4-0000-00125-22
0.250″ +0.046 /-0.032″ 100 51X4-0000-00250-22 52X4-0000-00250-22 53X4-0000-00250-22 54X4-0000-00250-22 55X4-0000-00250-22
0.375″ +0.046 /-0.032″ 100 51X4-0000-00375-22 52X4-0000-00375-22 53X4-0000-00375-22 54X4-0000-00375-22 55X4-0000-00375-22
0.500″ ± 0.062″ 100 51X4-0000-00500-22 52X4-0000-00500-22 53X4-0000-00500-22 54X4-0000-00500-22 55X4-0000-00500-22
0.625″ ± 0.062″ 100 51X4-0000-00625-22 52X4-0000-00625-22 53X4-0000-00625-22 54X4-0000-00625-22 55X4-0000-00625-22
0.750″ ± 0.062″ 100 51X4-0000-00750-22 52X4-0000-00750-22 53X4-0000-00750-22 54X4-0000-00750-22 55X4-0000-00750-22
0.875″ ± 0.062″ 100 51X4-0000-00875-22 52X4-0000-00875-22 53X4-0000-00875-22 54X4-0000-00875-22 55X4-0000-00875-22
1.000″ ± 0.093″ 100 51X4-0000-01000-22 52X4-0000-01000-22 53X4-0000-01000-22 54X4-0000-01000-22 55X4-0000-01000-22
1.125″ ± 0.093″ 100 51X4-0000-01125-22 52X4-0000-01125-22 53X4-0000-01125-22 54X4-0000-01125-22 55X4-0000-01125-22
1.250″ ± 0.093″ 100 51X4-0000-01250-22 52X4-0000-01250-22 53X4-0000-01250-22 54X4-0000-01250-22 55X4-0000-01250-22
1.375″ ± 0.093″ 100 51X4-0000-01375-22 52X4-0000-01375-22 53X4-0000-01375-22 54X4-0000-01375-22 55X4-0000-01375-22
1.500″ ± 0.093″ 100 51X4-0000-01500-22 52X4-0000-01500-22 53X4-0000-01500-22 54X4-0000-01500-22 55X4-0000-01500-22
1.625″ ± 0.093″ 100 51X4-0000-01625-22 52X4-0000-01625-22 53X4-0000-01625-22 54X4-0000-01625-22 55X4-0000-01625-22
1.750″ ± 0.093″ 100 51X4-0000-01750-22 52X4-0000-01750-22 53X4-0000-01750-22 54X4-0000-01750-22 55X4-0000-01750-22
1.875″ ± 0.093″ 100 51X4-0000-01875-22 52X4-0000-01875-22 53X4-0000-01875-22 54X4-0000-01875-22 55X4-0000-01875-22
2.000″ ± 0.093″ 100 51X4-0000-02000-22 52X4-0000-02000-22 53X4-0000-02000-22 54X4-0000-02000-22 55X4-0000-02000-22