
KEYUACE's portfolio of heat shrink sealing components for wire harnesses are designed to provide protection for a wide range of applications. Whether your problem is size, weight, extreme temperatures or harsh environments, our shrink molds are designed...
KEYUACE's portfolio of heat shrink sealing components for wire harnesses are designed to provide protection for a wide range of applications. Whether your problem is size, weight, extreme temperatures or harsh environments, our shrink molds are designed to meet your design requirements
You can choose suitable materials according to different usage environment requirements to meet military and commercial multi-level requirements, easy to install and use, and waterproof with adhesive.
Choice with lips
Complies with environmental protection standards RoHS, REACH
| material code | Material category | Hardness (Shore A) | operating temperature | Installation temperature | Material characteristics |
| -4 | Anti-mildew soft flame retardant polyolefin | 82±2 | ﹣55~135℃ | 150℃ | Mildew resistant, especially soft, fire resistant, wear resistant, liquid |
| -12 | Modified fluorine | 87±2 | ﹣55~200℃ | 220℃ | Soft, flame retardant, heat resistant, excellent oil and solution resistance |
| -25 | solution resistant rubber | 92±2 | ﹣55~150℃ | 175℃ | Semi-solid, flame retardant, chemical, wear resistant, liquid resistant, heat resistant |
| -71 | Semi-rigid modified polyolefin | 90±2 | ﹣55~135℃ | 150℃ | Semi-solid, fire-resistant, liquid-resistant, heat-resistant, wear-resistant |
| -100 | Halogen-free flame retardant polyolefin | 90±2 | ﹣30~120℃ | 150℃ | Halogen-free, flame retardant, low smoke, environmentally friendly |
KY/MS-2A/I-01
| serial number | Product model | Размер до усадки | size after shrinkage | ||||||
| Hmin | Jmin | Hmax | Jmax | W±20% | P±10% | ||||
| -4,-25,-71 | -12,-100 | -4,-25,-71 | -12,-100 | ||||||
| 1 | KY/MS-2A/I-01 | 16.5 | 16.5 | 16.5 | 11.9 | 7.9 | 3.8 | 1.27 | 25.4 |
| 2 | KY/MS-2A/I-02 | 24.6 | 22.6 | 24.6 | 17.8 | 9.9 | 5.3 | 1.52 | 38.1 |
| 3 | KY/MS-2A/I-03 | 28.4 | 26.2 | 28.4 | 20.3 | 14.2 | 6.6 | 1.78 | 51.3 |
| 4 | KY/MS-2A/I-04 | 31.0 | 31.0 | 31.0 | 25.4 | 17.8 | 7.4 | 1.78 | 66.8 |
| 5 | KY/MS-2A/I-05 | 36.1 | 36.1 | 36.1 | 26.2 | 21.9 | 8.6 | 1.78 | 73.7 |
| 6 | KY/MS-2A/I-06 | 42.7 | 42.7 | 42.7 | 27.2 | 27.4 | 9.4 | 2.03 | 99.1 |
| 7 | KY/MS-2A/I-07 | 51.8 | 48.3 | 51.8 | 48.3 | 35.3 | 16.0 | 3.30 | 130.0 |
| 8 | KY/MS-2A/I-08 | 66.0 | 66.0 | 66.0 | 54.1 | 43.7 | 19.6 | 3.81 | 161.3 |
| 9 | KY/MS-2A/I-09 | 86.4 | 86.4 | 86.4 | 71.4 | 57.2 | 26.9 | 4.06 | 212.6 |
KY/MS -2K/I-01
| serial number | Product model | Размер до усадки | size after shrinkage | |||||||
| Hmin | Jmin | Hmax | Jmax | HW±20% | JW±20% | P±10% | ||||
| -4,-12,-25,-71 | -4,-25,-71 | -12 | -100 | |||||||
| 1 | KY/MS -2K/I-01 | 24.0 | 24.0 | 13.0 | 14.0 | 10.4 | 5.6 | 1.6 | 0.41 | 38.0 |
| 2 | KY/MS -2K/I-02 | 30.0 | 30.0 | 14.0 | 15.0 | 14.2 | 5.9 | 1.8 | 0.81 | 55.0 |
| 3 | KY/MS -2K/I-03 | 31.0 | 31.0 | 16.0 | 18.0 | 18.0 | 7.1 | 1.8 | 0.81 | 67.0 |
| 4 | KY/MS -2K/I-04 | 36.0 | 36.0 | 19.0 | 21.0 | 22.4 | 8.4 | 2.0 | 0.81 | 80.0 |
| 5 | KY/MS -2K/I-05 | 43.0 | 43.0 | 22.0 | 25.0 | 28.2 | 9.9 | 2.2 | 0.81 | 99.0 |
| 6 | KY/MS -2K/I-06 | 60.0 | 60.0 | 35.0 | 39.0 | 35.1 | 15.7 | 3.3 | 1.02 | 130.0 |
| 7 | KY/MS -2K/I-07 | 66.0 | 66.0 | 38.0 | 42.0 | 44.5 | 16.8 | 3.8 | 1.63 | 170.0 |
| productivity | Test | unit | material code | Test method | |||||
| -4 | -12 | -25 | -71 | -100 | |||||
| physical properties | Size Appearance after shrinkage | / | No cracks and compliance with the type and size requirements after the product shrinks | JB/T7829-2006 | |||||
| Hardness (Shore) | degree | 82±2 | 87±2 | 92±2 | 90±2 | 90±2 | GB/T2411-2008 | ||
| tensile strength | MPa | ≥16 | ≥12 | ≥14 | ≥14 | ≥10 | GB/T1040.2-2006 | ||
| elongation at break | ﹪ | ≥450 | ≥350 | ≥350 | ≥300 | ≥250 | GB/T1040.2-2006 | ||
| Water absorption (23℃ 24h) | % | ≤0.15 | ≤0.15 | ≤0.15 | ≤0.15 | ≤0.15 | GB/T2951.13-2008 | ||
| density | g/s㎥³ | 1.1±0.1 | 1.0±0.1 | 1.1±0.1 | 1.2±0.1 | 1.3±0.1 | GB/T1033-2008 | ||
| low temperature embrittlement | -55±5℃ 4 hours | ℃ | no cracks, no cracks | / | GB/T5470-2008 | ||||
| aging properties | Thermal aging in oven 135℃ 168h | elongation at break | ﹪ | ≥350 | / | / | ≥200 | ≥100 | GB/T7141-2008 |
| tensile strength | MPa | ≥12 | / | / | ≥10 | ≥8 | GB/T7141-2008 | ||
| Thermal aging in oven 150℃ 168h | elongation at break | ﹪ | / | / | ≥250 | / | / | GB/T7141-2008 | |
| tensile strength | MPa | / | / | ≥10 | / | / | GB/T7141-2008 | ||
| Thermal aging in 200℃ oven 168 hours | elongation at break | ﹪ | / | ≥250 | / | / | / | GB/T7141-2008 | |
| tensile strength | MPa | / | ≥10 | / | / | / | GB/T7141-2008 | ||
| Thermal shock 200℃ 4h | / | Doesn't crack, doesn't leak, doesn't drip | JB/T7829-2006 | ||||||
| Thermal shock 300℃ 4h | / | / | No cracks | / | / | / | JB/T7829-2006 | ||
| electrical properties | insulation strength | Kv/mm | ≥14 | ≥10 | ≥10 | ≥12 | ≥10 | GB/T1408.1-2016 | |
| volumetric resistivity | Ω.cm | ≥1×1011 | ≥1×1010 | ≥1×1010 | ≥1×1010 | ≥1×1010 | GB/T1410-2006 | ||
| Chemical properties | fire resistance | / | B-1 | GB/2408-2008 | |||||
| copper corrosion | / | 150±5℃ 168h passes | UL224 | ||||||
| smoke density | / | / | / | / | / | ≤32 | GB/T8323.2-2008 | ||
| Mold resistance | / | ≤2 | ≤2 | ≤2 | ≤2 | / | GJB150.10A-2009 | ||
| moisture-thermal properties | Humidity 95% 60℃~30℃ converted 5 times, 24 hours. Periodic Test Qualified | GJB150.9A-2009 | |||||||
| Effectiveness of salt spray | 5% saline solution at 35°C for 48 hours continuous spraying,
Good appearance, no corrosion |
GJB150.11A-2009 | |||||||
| Environmental resistance | Aviation oil F40 (23℃ 24h) | tensile strength | MPa | 10.5 | 9 | 11 | 8 | 6 | GB/T2951.21-2008 |
| elongation at break | % | 350 | 230 | 300 | 200 | 180 | GB/T2951.21-2008 | ||
| Lubricating oil 23℃ 24h | tensile strength | MPa | ≥12 | ≥10 | ≥12.5 | ≥9 | ≥7 | GB/T2951.21-2008 | |
| elongation at break | % | 380 | 260 | 330 | 220 | 200 | GB/T2951.21-2008 | ||