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B8 - Semi Rigid, 2:1 Ratio - 4Ft. Length

  • Category: Heat Shrink Tubing
  • Brand: Sumitomo

Semi-Rigid Polyolefin, 4 foot length, 2 to 1 Ratio

SUMITUBE B8 is a semi-rigid, flame retarded, polyolefin heat-shrinkable tubing that is recognized by Underwriters Laboratories (UL) under Subject 224 as VW-1 rated and Canadian Standards Association (CSA) 125° C. B8 is especially recommended for applications where strain relief of components is important. Because of the rigidity of B8, soldered connections and splicing areas are good examples for use of this product.

Download B8.pdf data sheet.

 

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  1. SUMITUBE B8 is a semi-rigid, flame retarded, polyolefin heat-shrinkable tubing that is recognized by Underwriters’ Laboratories (UL) under Subject 224 as VW-1 rated and Canadian Standards Association (CSA) 125° C. 

  2. SUMITUBE B8 has excellent flame retardant properties (UL VW-1), and is tough and abrasion resistant in mechanical environments.

  3. Shrink temperature is 130° C.

  4. Operating temperature range is -55° C to +135° C.

  5. SUMITUBE B8 is especially recommended for  applications where strain relief of components is important. Because of the rigidity of B8, soldered connections and splicing areas are good examples for use of this product.

 

PROPERTY (UNITS)

TEST METHOD

REQUIREMENT

 

 

 

 

Physical:

   Tensile strength (psi)

   Elongation (%)

   Specific gravity

 Heat shock (250o C, 4 hrs)

   Heat resistance (175o C, 168 hrs.)

     Elongation (%)

   Secant modulus (psi)

   Deformation (125o C, 1 hr.) (%)

   Longitudinal change (%)

 

 

ASTM D 638

ASTM D 638

ASTM D 792

AMS-DTL-23053

 

ASTM D 638

ASTM D 882

UL 224

AMS-DTL-23053

 

 

 

2000 min.

200 min.

1.35 max.

no cracking

 

100 min.

25000

50 max.

+5

 

 

Electrical:

   Dielectric strength (volts/mil)

   Volume resistivity (ohm-cm)

 

 

 

ASTM D 876

ASTM D 876

 

 

500 min.

1.0 X 1014 min.

 

 

Chemical:

   Corrosion (175o C, 16 hrs.)

   Copper stability (158o C, 168 hrs.)

     Elongation (%)

   Water absorption (%)

   Fluid resistance (23o C, 24 hrs.)

     Tensile strength (psi)

   Flammability

   Shrink temperature, nominal

 

 

 

AMS-DTL-23053

 

UL 224

ASTM D 570

 

AMS-DTL-23053

UL-224 VW-1

 

 

 

 

no corrosion

 

100 min.

0.5 max.

 

1000 min.

Pass

130o C

 

 

INSIDE DIAMETER

INSIDE DIAMETER

WALL THICKNESS

 

AS SUPPLIED 

(MIN)

AFTER RECOVERY 

(MAX)

AFTER RECOVERY

(NOM)

SIZE

INCH               (MM)

INCH               (MM)

INCH               (MM)

3/64

.046

1.2

.023

0.6

.020

0.51

1/16

.063

1.6

.031

0.8

.020

0.51

3/32

.093

2.4

.046

1.2

.020

0.51

1/8

.125

3.2

.062

1.6

.020

0.51

3/16

.187

4.8

.093

2.4

.025

0.64

1/4

.250

6.4

.125

3.2

.025

0.64

3/8

.375

9.5

.187

4.8

.030

0.76

1/2

.500

12.7

.250

6.4

.030

0.76

3/4

.750

19.1

.375

9.5

.030

0.76

1

1.000

25.4

.500

12.7

.035

0.89

   Standard Colors:   Black and White   

Standard Package:   4 feet (4')

        How to Order:   (Type of material)    (Size)    (Color)    (Packaging)

                Example:              B8                   1/4       Black              4'