HEAT SHRINK MEDIUM / HEAVY WALL TUBING - ADHESIVE LINED Qualtek Electronics
QR2, QRA2
MEDIUM WALL, POLYOLEFIN TUBING WITH OR WITHOUT
HOT MELTADHESIVE
SHRINKRATIO3:1
Features/Applications
QR2 has properties of excellent insulation, environmental sealing and
resistance to impact and abrasion. Designed for applications to seal and
protect electrical and communication connections, providing excellent
mechanical protection to cable joints and terminations. 3:1 shrink ratio
3
allows it to easily fit over irregular shapes and large connectors.
QRA2 is recommended for applications with light cable and wire
harnesses that require waterproofing and protection of connector
components and encapsulates and seals components within the tubing.
Resistant to UV radiation
High electrical insulation
Superior mechanical property
Operating temperature: -55°C to +110°C
Full recovery temperature: 120°C
Standard color: Black, red
RoHS Compliant
QRA2, Medium-Wall Tubing With Hot-Melt Adhesive
Technical Data
Standard
Packaging
As Supplied
(mm)
After Recovered (mm)
Property
Test Method
Typical Data
Cut to
Length Pcs.
*(QB)
OperatingTemperature
IEC216
ASTM D 2671
ASTM D 2671
ASTM D 2671
ASTM D 2671
ASTM D 792
UL 224
-55°C TO +110°C
> 14 MPa
> 12MPa
> 400%
Size
(mm)
Tubing
Shape
Inside
Diameter
(min.)
Inside
Wall
Tensile Strength
Diameter Thickness
(max.)
(min.)
Qty per bag
Tensile StrengthAfterAging (150°C, 168hrs.)
Elongation at Break
48”
20
20
20
20
20
20
20
15
15
15
15
15
10
10
10
5
8/2
12/3
16/5
19/5
22/6
28/6
33/8
40/12
55/16
65/19
75/22
85/25
95/25
115/34
140/42
160/50
180/58
205/65
235/65
265/75
300/85
350/100
8
12
16
19
22
28
33
40
55
65
75
85
2
3
5
5
6
1.7
2.0
2.2
2.5
2.5
2.5
2.5
2.5
2.7
2.8
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
Round
Round
Round
Round
Round
Round
Round
Round
Round
Round
Round
Round
Round
Round
Round
Round
Round
Round
Round
Round
Round
Round
Elongation at Break After Aging(150°C, 168hrs.)
Density
> 300%
1.05g/cm3
0 to -10%
>20kV/mm
> 1014 Ω.cm
< 30%
Longitudinal Shrinkage
Dielectric Strength
IEC 243
6
8
VolumeResistance
IEC 93
12
16
19
22
25
25
34
42
50
58
65
65
75
85
100
Eccentricity
ASTM D 2671
ASTM D 2671
ASTM D 1693
ISO 62
CopperStability
Pass
Resistance to Stress Cracking (50°C)
Water Absorption (23°C, 4days)
No cracking
< 0.15%
95
115
140
160
180
205
235
265
300
350
Thermoplastic Adhesive for QRA2
5
5
5
5
5
5
Property
Test Method
Typical Data
<0.2%
85°C
WaterAbsorption
ISO62
ASTM D E28
DIN30672
ASTM D 2671
ISO846
SofteningPoint
Peel Strength (PE)
CopperStability
4N/cm
Non-corrosive
Pass
QR2, Medium-Wall Tubing Without Hot-Melt Adhesive
Resistance to Fungus and Decay
Notes:
1.
2.
8/2
12/3
16/5
22/6
8
12
16
22
33
40
55
65
2
3
5
6
8
1.7
2.0
2.2
2.2
2.5
2.5
2.7
2.8
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
Flat
Flat
Flat
20
20
20
20
20
20
15
15
15
15
15
10
10
10
5
* See Part Number Guide for standard packaging codes.
Special sizes, packaging, colors and cut pieces are available upon request.
Round
Round
Round
Round
Round
Round
Round
Round
Round
Flat
Flat
Flat
Flat
Flat
Flat
Flat
Flat
33/8
40/12
55/16
65/19
75/22
85/25
95/25
115/34
140/42
160/50
180/58
205/65
235/65
265/75
300/85
350/100
12
16
19
22
25
25
34
42
50
58
65
65
75
85
100
75
85
95
115
140
160
180
205
235
265
300
350
5
5
5
5
5
www.qualtekusa.com
ISO-9001 Company
QR2,A2-200C
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