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Heat Shrink Tube (Flame Retardant / Waterproof)

Heat Shrink Tube (Flame Retardant / Waterproof)

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  • Volume Discount

SUMITUBE W3F2 type heat shrink cut tube, which has excellent flame retardancy and waterproofness. Adhesive to metals, polyolefins and PVC. It also has excellent flexibility and is effective in waterproofing coated objects with large steps.

  • UL
  • CSA

● Excellent adhesion effective for metal, polyolefin and PVC and enables waterproof machining.
● With a tube wall thickness about three times larger than general purpose offerings, it exhibits excellent flexibility, making it effective for providing a waterproof coating for objects with large level differences.
● Heat shrink tube certified for UL224, CSA standards.
● Sumitomo Electric fine polymer SUMITUBE W3F2.

Part Number

Configured Part Number is shown.

Specification Table

ModelInternal Diameter φColorLength
SMTW3F2-1-8-1.221/8"Black1.22 m
SMTW3F2-3-16-1.223/16"
SMTW3F2-1-4-1.221/4"
SMTW3F2-3-8-1.223/8"
SMTW3F2-1-2-1.221/2"
SMTW3F2-3-4-1.223/4"
SMTW3F2-1-1.221"
■ Specification Table
ModelSize Before ShrinkingSize After Shrinking (mm)Specified length
(m)
Weight
(g/1.22 m)
Internal Diameter (minimum value)Tube wall thickness*Internal Diameter (maximum value)Tube wall thickness*Internal layer thickness
SMTW3F2-1-8-1.221/8" (3.20 mm)0.350.600.950.351.226.0
SMTW3F2-3-16-1.223/16" (4.80 mm)1.501.100.6011.3
SMTW3F2-1-4-1.221/4" (6.40 mm)0.452.001.200.6515.3
SMTW3F2-3-8-1.223/8" (9.50 mm)0.503.001.300.6522.1
SMTW3F2-1-2-1.221/2" (12.70 mm)0.554.001.400.7529.6
SMTW3F2-3-4-1.223/4" (19.10 mm)0.658.001.600.8062.1
SMTW3F2-1-1.221" (25.40 mm)0.7510.201.900.8090.0
*Includes internal layer thickness (reference value)
(Unit: mm)

Overview of Specifications

Basic Characteristics
MaterialExternal layer: Electron beam crosslinked soft flame retardant
   Polyolefin Resin
Internal layer: Thermofusion adhesive
Shrinkage Temperature110°C or above
Shrinkage RateInternal Diameter Shrinkage Rate 60% to 80%
Length Change Factor -15% or more
Continuous Operable Temperature-55°C to 125°C
Authentication standards
ULE75077
CSALR33298
Part Number
SMTW3F2-1-1.22
SMTW3F2-1-2-1.22
SMTW3F2-1-4-1.22
SMTW3F2-1-8-1.22
SMTW3F2-3-4-1.22
SMTW3F2-3-8-1.22
SMTW3F2-3-16-1.22
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipRoHSInternal diameter (before contraction)
(mm)
Wall Thickness (after shrinking)
(mm)
Internal diameter
(mm)

SGD 34.86

1 Piece(s)Available 4 Day(s) or more 1025.41.910.2

SGD 15.67

1 Piece(s)Available 4 Day(s) or more 1012.71.44

SGD 9.02

1 Piece(s)Available 4 Day(s) or more 106.41.22

SGD 6.66

1 Piece(s)Available 4 Day(s) or more 103.20.950.6

SGD 24.48

1 Piece(s)Available 4 Day(s) or more 1019.11.68

SGD 11.49

1 Piece(s) 4 Day(s) or more 109.51.33

SGD 8.00

1 Piece(s)Available 4 Day(s) or more 104.81.11.5

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Basic Information

Shrinkage Rate 3:1 Material Polyolefin Color Black
Flame Retardant Present Adhesive Present Tube Length(mm) 1220
Special Function/Application Other Representative Standard UL / CSA Number with packs(Units) 1
Special function/application (other) Waterproof Continuous operating temperature range (Min) Min(℃) -55 Continuous operating temperature range (Max) Max(℃) 125

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