LRS-1 Thin Wall Tubing
Low-Temperature Shrink, Halogen-Free, Flame-Retardant Heat Shrink Tubing
LRS-1 Series
The LRS-1 Series heat shrinkable tubing is designed for reliable electrical insulation and mechanical protection across a wide range of applications. Manufactured with halogen-free, flame-retardant polyolefin, it offers excellent environmental performance and consistent shrink behavior at low temperatures.
This series is widely used in the electronics, electrical power, military, automotive, and shipbuilding industries.
Typical applications include:
Wire harness bundling and mechanical protection
Wire and cable identification
Insulation and strain relief for solder joints and terminals
Protection of electronic components
Insulation of low-voltage busbars
Anti-corrosion protection for pipelines and metal conduits
Engineered for durability and safety, the LRS-1 Series provides stable performance in demanding industrial environments.
- Zhizheng
- HuBei
- 14 DAYS
- 200000M
- Information
LRS-1 Low temperature shrinkage halogen-free flame retardant heat shrinkable tubing
Product Features
Shrink Ratio: 2:1
Operating Temperature Range: –40°C to +105°C
Minimum Full Recovery Temperature: 90°C
Material Properties: Halogen-free and flame-retardant
Environmental Compliance: Meets EU RoHS Directive requirements
Standard Colors: Black, Red, Yellow, Green, Blue, White
Product performance index
| Item | Test Conditions | Required Indicators | Typical Test Data |
|---|---|---|---|
| Tensile Strength | ASTM D 638 | ≥ 10.4 MPa | 11 MPa |
| Elongation at Break | ASTM D 638 | ≥ 300% | 330% |
| Volumetric Resistivity | IEC 93 | ≥ 1 × 10¹⁴ Ω·cm | 2 × 10¹⁴ Ω·cm |
| Water Absorption | ISO 62 | < 0.5% | 0.15% |
| Tensile Strength after Aging | Aging at 158°C for 7 days | ≥ 10 MPa | 10.5 MPa |
| Elongation after Aging | Aging at 158°C for 7 days | ≥ 250% | 270% |
| Dielectric Strength | IEC 243 | > 20 kV/mm | 23 kV/mm |
| Power Frequency Voltage Resistance Strength | UL 224 | 2.5 kV, 60 seconds, no breakdown | Pass |
| Copper Stability | UL 224 | No corrosion | Pass |
| Wall Thickness Deviation Rate (Eccentricity) | UL 224 | ≤ 30% | 15% |
| Longitudinal Shrinkage | UL 224 | -3% to +3% | -0.5% |
| Lead Content | USEPA 3050B | < 1000 ppm | Pass |
| Cadmium Content | EN 1122, Method B:2001 | < 100 ppm | Pass |
| PBBs / PBDEs | 83/264/EEC | < 1000 ppm | Pass |
| Mercury Content | EPA 3052:1996 | < 1000 ppm | Pass |
| Hexavalent Chromium Content | EPA 3060A & EPA 7196A | < 1000 ppm | Pass |
| LRS-1 Series Specification Sheet | ||||||
| Size | Before shrink(mm) | After shrink(mm) | Packing (M/Spool) | |||
| Inner diameter D | Inner diameter d | Wall thickness t | ||||
| φ0.8 | 1.2±0.3 | 0.4±0.1 | 0.30±0.05 | 200 | ||
| φ1.0 | 1.4±0.3 | 0.4±0.1 | 0.35±0.05 | 200 | ||
| φ1.5 | 1.9±0.3 | 0.6±0.1 | 0.35±0.05 | 200 | ||
| φ2.0 | 2.4±0.3 | 0.9±0.1 | 0.40±0.05 | 200 | ||
| φ2.5 | 2.9±0.3 | 1.1±0.1 | 0.40±0.05 | 200 | ||
| φ3.0 | 3.4±0.3 | 1.4±0.1 | 0.40±0.05 | 200 | ||
| φ3.5 | 3.9±0.3 | 1.6±0.1 | 0.40±0.05 | 200 | ||
| φ4.0 | 4.4±0.3 | 1.8±0.1 | 0.45±0.05 | 200 | ||
| φ4.5 | 4.8±0.3 | 1.9±0.1 | 0.45±0.05 | 100 | ||
| φ5.0 | 5.4±0.3 | 2.3±0.2 | 0.50±0.05 | 100 | ||
| φ6.0 | 6.4±0.4 | 2.8±0.2 | 0.50±0.05 | 100 | ||
| φ7.0 | 7.4±0.4 | 3.3±0.2 | 0.55±0.05 | 100 | ||
| φ8.0 | 8.4±0.4 | 3.8±0.2 | 0.55±0.05 | 100 | ||
| φ9.0 | 9.4±0.4 | 4.3±0.2 | 0.55±0.05 | 100 | ||
| φ10 | 10.5±0.4 | 4.8±0.2 | 0.55±0.05 | 100 | ||
| φ11 | 11.5±0.4 | 5.3±0.2 | 0.55±0.05 | 100 | ||
| φ12 | 12.5±0.4 | 5.7±0.3 | 0.55±0.05 | 100 | ||
| φ13 | 13.5±0.4 | 6.2±0.3 | 0.55±0.05 | 100 | ||
| φ14 | 14.5±0.4 | 6.7±0.3 | 0.55±0.05 | 100 | ||
| φ15 | 15.5±0.5 | 7.2±0.3 | 0.55±0.05 | 100 | ||
| φ16 | 16.5±0.5 | 7.7±0.3 | 0.55±0.05 | 100 | ||
| φ17 | 17.5±0.5 | 8.2±0.3 | 0.55±0.05 | 100 | ||
| φ18 | 19.0±0.5 | 8.7±0.3 | 0.60±0.05 | 100 | ||
| φ20 | 21.0±0.5 | 9.7±0.3 | 0.60±0.05 | 100 | ||
| φ22 | 22.8±0.8 | 10.0±1.0 | 0.60±0.05 | 25 | ||
| φ25 | 25.8±0.8 | 11.0±1.0 | 0.65±0.05 | 25 | ||
| φ28 | 28.8±0.8 | 13.0±1.0 | 0.65±0.05 | 25 | ||
| φ30 | 30.8±0.8 | 14.0±1.0 | 0.70±0.05 | 25 | ||
| Standard color:black,red,yellow,green,blue,white. | ||||||
