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B8 2 to 1 Ratio
Semi-Rigid Polyolefin
   
UL
  
VW-1 
  
CSA 
  
MIL SPEC
 
   
  Specification Reference
 
 UL224 125ºC, 600V,
 
 VW-1, File E48762 YDPU2
 
 CSA C-22.2 No. 198-M1982, 125ºC, 600V
 
MIL-DTL-23053/6 Class 1.
   
Repl
 aces
Raychem CRN
Remtek GRP-136
3M/ECC SR-350
Alpha FIT-295
   
Description
  
 
 
Uses
 
 
   
Operating Temp
 
Shrink Temp
  
Standard Put-up
 
  B8 is a semi-rigid, flame-retardant, polyolefin heat-shrinkable tubing that is
  recognized by Underwriters Laboratories (UL) under subject 224 as VW-1 rated
  and Canadian Standards Association (CSA) 125º
  Recommended for applications where rigid strain relief of components is
  important.
   
  -55ºC, to +135ºC
  130ºC
  Bag - 4 foot lengths, packaged in plastic bags.
    Property (units)
Test Method
Test Method
Physical 
   Tensile Strength (psi)
ASTM D638
1500 MIN.
    Elongation (%)
ASTM D638
200 MIN.
    Specific gravity
ASTM D792
1.35 MAX.
    Low temp. flex (-55ºC)
MIL-DTL-23053
No Cracking
    Heat shock (250ºC, 4 Hrs.)
MIL-DTL-23053
No Cracking
    Heat resistance, (175ºC, 168 Hrs.) Elongation (%)
ASTM D638
100 MIN.
    Secant modulus (psi)
ASTM D882
25000 MAX.
    Longitudinal Change (%)
MIL-DTL-23053
5 -15
     
Electrical 
   Dielectric strength (volts/mil)
ASTM D876
500 MIN.
    Volume resistivity (ohm-cm)
ASTM D876
1.0 x 10 MIN
     
Chemical 
   Corrosion (175ºC, 16 Hrs.)
MIL-DTL-23053
No Corrosion
    Copper mirror stability (158C, 168 Hrs.)
   
   

Elongation (%)

 UL 224 100 MIN.
    Water absorption (%) ASTM D 570 0.5 MAX.
    Fluid Resistance (23ºC, 24 Hrs.) Tensile MIL-DTL-23053 1000 MIN.
   

Strength (psi)

    
    Flammability UL 224 VW-1 Pass
   

Shrink Temperature (nominal)

  130ºC

Inside
Post
Inside Diameter
Diameter
Shrink
Full
Before Shrinking
After
Wall
Spool
(minimum)
Shrinking
Thickness
Length
Price
Color Selection
(maximum)

mm


inches

mm
(inches)

mm
(inches)


in feet

per bag
per foot
BK
BR
RD
OR
YL
GN
BL
VI
GY
WH
CL
1.2
3/64 0.0469
0.5842 (0.023)
0.508 (0.020)
500
216.75
0.51
1.6
1/16 0.0625
0.7874 (0.031)
0.508 (0.020)
500
221.00
0.52
2.4
3/32 0.0938
1.1684 (0.046)
0.508 (0.020)
500
233.75
0.55
3.2
1/8
0.125
1.5748 (0.062)
0.508 (0.020)
500
255.00
0.60
4.8
3/16 0.1875
2.3622 (0.093)
0.635 (0.025)
200
124.10
0.73
6.4
1/4 0.250
3.175 (0.125)
0.635 (0.025)
200
153.00
0.90
9.5
3/8
0.375
4.7498 (0.187)
0.762 (0.030)
200
171.70
1.01
12.7
1/2 0.500
6.350 (0.250)
0.762 (0.030)
100
96.90
1.14
19.1
3/4
0.750
9.525 (0.375)
0.762 (0.030)
100
129.20
1.52
25.4
1
1.000
12.700 (0.500)
0.889 (0.035)
60
117.81 2.31

* Some types of heat shrink, for instance semi-rigid and dual wall types are manufactured in 4 foot lengths. the rigid and semi-rigid ones do not bend without kinking, the adhesives in dual walls tend to stick or block shut when spooled.

Lead Time:
1 day

Lead Time:
up to 50 days

Lead Time:

up to 100 days

Lead Time:

up to 200 days

Not Possible
 


The above lead time guidelines are estimated only. They may be longer (not usually) or they may be shorter (typically). Regarding products with 100 & 200 day lead time; pricing may vary, and a
minimum order with deposit may be required. Oh... and by the way, everything can change
without notice and/or liability.