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B2(4X) Special Over-Expanded
4to 1 Ratio
Flexible Polyolefin
   
UL
 
VW-1 
 
CSA 
 
MIL SPEC
 
   
  Specification Reference
 
UL224 File E70631 YDQS2
 
 
 
 
 
 
 
Repl
aces
Raychem RP-4800
  RT1122
Remtek RRT-135
Alpha FIT-421
   

Description
 
 
 
Uses
 
 
   
Operating Temp
 
Shrink Temp
 
Standard Put-up
 
   
   
  B2(4X) is a flexible, flame-retardant heat-shrinkable polyolefin tubing, which is
  specially overexpanded (4:1 expansion ratio) with minimal longitudinal
  change (5% Max.)
  Special purpose applications such as cable jacket retrofit or repair and electrical
  insulation of wire assemblies which have oversize components or connectors.
   
  -55ºC, to +135ºC, and up to 200ºC, for short durations.
  90ºC
  Bag*
  Depending on the size/color the put-up could be spools, and/or bags of 4 foot or 3
  foot lengths.
    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
     
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
    Water absorption (%)
ASTM D570
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)
90ºC.

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
25.4
1
1.000
6.604 (0.260)
1.4986 (0.059)
60
666.06
13.06
38.1
1-1/2 1.500
9.525 (0.375)
1.4986 (0.059)
40
532.78
15.67
50.8
2
2.000
12.700 (0.500)
1.4986 (0.059)
40
674.56
19.84
76.2
3
3.000
19.050 (0.750)
1.4986 (0.059)
15
332.90
26.11
101.6
4
4.000
25.400 (1.000)
1.4986 (0.059)
15
466.01
36.55

* Depending on the size/color the put-up could be spools, and/or bags of 4 foot or 3 foot lengths.

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.