Raychem ATUM 4:1

RAYCHEM Tubing Products

High-Shrink-Ratio, Adhesive-Lined Polyolefin Tubing


Product Facts

  • 4:1 Tubing environmentally seals and protects components and interconnections
  • Medium wall provides increased mechanical protection
  • The adhesive in ATUM tubing bonds to a wide variety of plastics, rubbers, and metals, including polyethylene, aluminum, steel, and copper
  • RoHS compliant
Applications Installation Operating Temperature Range
Environmentally seals and protects a wide variety of electrical applications, including back end connector sealing, breakouts, and connector-to-cable transitions. High expansion ratio makes it possible to repair most damaged cable jackets without removing connectors.

Minimum shrink temperature: 80°C [176°F]

Minimum full recovery temperature: 110°C [230°F]

Minimum shrink -55°C to 110°C [-67°F to 230°F]
Specifications/ Approvals:
Series UL** Military Raychem
ATUM E85381 600V, 110°C AMS-DTL-23053/4,* Class 3 RW-2063 - Black
*Formerly MIL-I-23053/4 and MIL-DTL-23053/4. Sizes 3/1, 6/2, 12/4, 24/8, and 40/13 only.
**Black only, except sizes 3/1 and 4/1.
Product Dimensions:
Inside diameter RecoveredWall Thickness**
Size Minimum Expanded as Supplied Maximum Recovered After Heating TotalWall After Heating AdhesiveWall After Heating (Nominal)
4:1
4/1 4.0 [0.157] 1.0 [0.039] 1.00 ± 0.28 [0.039 ± 0.010] 0.50 [0.020]
8/2 8.0 [0.315] 2.0 [0.079] 1.00 ± 0.28 [0.039 ± 0.010] 0.50 [0.020]
12/3 12.0 [0.472] 3.0 [0.118] 1.40 ± 0.28 [0.055 ± 0.010] 0.61 [0.024]
16/4 16.0 [0.630] 4.0 [0.157] 1.78 ± 0.38 [0.070 ± 0.015] 0.76 [0.030]
24/6 24.0 [0.945] 6.0 [0.236] 2.25 ± 0.55 [0.088 ± 0.022] 0.76 [0.030]
32/8 32.0 [1.260] 8.0 [0.315] 2.54 ± 0.55 [0.100 ± 0.022] 1.02 [0.040]
52/13 52.0 [2.050] 13.0 [0.512] 2.54 ± 0.55 [0.100 ± 0.022] 1.02 [0.040]
**Wall thickness will be less if tubing recovery is restricted during shrinkage.
Ordering Information:
Color Standard Black (-X)
  Nonstandard

Clear in 3:1 sizes only (-X, non-flame-retardant jacket);

other colors available on request.

Size selection Always order the largest size that will shrink snugly over the component to be covered. Special order sizes are available upon request.
Standard packaging*** In 1.2-meter [4-foot] lengths or on spools.
Ordering description**** Specify product name, size and color (for example, ATUM 8/2-0).
***Only 1.2 meter [4-foot] lengths are standard in the Americas. ATUM tubing on spools is nonstandard.****For supply to MIL spec., add -MS to ordering description.
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  1. 1/8 ADHESIVE LINED 4:1 SHRINK RATIO
    Part Number : ATUM-4/1-0-STK
    was $12.240 Special Price $6.120
    In stock
    Quantity:
    4FT STICK
    Add to Wishlist
  2. 3/8" ADHESIVE LINED 4:1 SHRINK RATIO
    Part Number : ATUM-8/2-0-STK
    was $13.600 Special Price $6.800
    In stock
    Quantity:
    4FT STICK
    Add to Wishlist
  3. 1/2" ADHESIVE LINED 4:1 SHRINK RATIO
    Part Number : ATUM-12/3-0-STK
    was $17.000 Special Price $6.800
    In stock
    Quantity:
    4FT STICK
    Add to Wishlist
  4. 1" ADHESIVE LINED 4:1 SHRINK RATIO
    Part Number : ATUM-24/6-0-STK
    was $17.000 Special Price $8.500
    In stock
    Quantity:
    4FT STICK
    Add to Wishlist
  5. 5/8" ADHESIVE LINED 4:1 SHRINK RATIO
    Part Number : ATUM-16/4-0-STK
    was $17.640 Special Price $8.800
    In stock
    Quantity:
    4FT STICK
    Add to Wishlist
  6. 1 1/4" ADHESIVE LINED 4:1 SHRINK RATIO
    Part Number : ATUM-32/8-0-STK
    was $36.040 Special Price $17.714
    In stock
    Quantity:
    4FT STICK
    Add to Wishlist
  7. 2"ADHESIVE LINED 4:1 SHRINK RATIO
    Part Number : ATUM-52/13-0-STK
    was $51.480 Special Price $24.000
    In stock
    Quantity:
    4FT STICK
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