Semiconductor equipment components
Equipment O-rings, flat gaskets and custom profiles selected for the operating environment.
JINGUI / FUMED-SILICA-REINFORCED SILICONE
Silicone rubber.
Two distinct forms.
Fumed-silica-reinforced solid and liquid silicone rubber. Compare QX and LSR grades, physical properties and processing parameters.
Discuss your application
HIGH CONSISTENCY SILICONE RUBBER / HCR
Solid silicone rubber.
QX series.
Translucent, flexible solid compounds reinforced with fumed silica. The T series focuses on transparency, S on designated food and medical applications, and G on high tear resistance.
- Material properties
- T: high transparency with a slight haze. S: enhanced clarity. G: high transparency and toughness.
- Performance focus
- Grade-specific minimum tensile strengths: 8.5 / 9.5 / 11.0 MPa. Minimum tear strengths: 18 / 22 / 25 kN/m.
- Fabrication uses
- Moulding / extrusion · peroxide cure system · 170–180°C · handbook cure time 5–8 min.
APPLICATIONS
Discuss solid silicone Transparent accessories · Seals and gaskets · Flexible sleeves and profiles
QX SERIES / TECHNICAL DATA
Grades & specifications
Grade code = series + nominal hardness + performance suffix.
T General transparentS Food / medical application series*G High tear resistance
| Grade | Hardness / Shore A | Density / g/cm³ | Tensile strength / MPa | Elongation at break / % | Tear strength / kN/m |
|---|---|---|---|---|---|
| QX20T | 20±2 | 1.20±0.02 | ≥8.5 | ≥400 | ≥18 |
| QX30T | 30±2 | 1.20±0.02 | ≥8.5 | ≥400 | ≥18 |
| QX40T | 40±2 | 1.20±0.02 | ≥8.5 | ≥400 | ≥18 |
| QX50S | 50±2 | 1.21±0.02 | ≥9.5 | ≥380 | ≥22 |
| QX60S | 60±2 | 1.21±0.02 | ≥9.5 | ≥380 | ≥22 |
| QX50G | 50±2 | 1.23±0.02 | ≥11.0 | ≥350 | ≥25 |
| QX60G | 60±2 | 1.23±0.02 | ≥11.0 | ≥350 | ≥25 |
| QX70G | 70±2 | 1.23±0.02 | ≥11.0 | ≥350 | ≥25 |
Values are from the product handbook. Hardness and mechanical properties refer to cured rubber; liquid viscosity is measured at 25°C. *S is a series designation, not certification for every application. Request grade-specific data and relevant compliance documents.
LIQUID SILICONE RUBBER / LSR
Liquid silicone rubber.
LSR series.
Clear, high-viscosity A/B compounds reinforced with fumed silica, with a platinum-catalysed cure system for liquid injection moulding.
- Material properties
- Viscosity at 25°C: T 150±20, S 160±20 and G 180±20 Pa·s.
- Performance focus
- Grade-specific minimum elongation: 600 / 550 / 450%. Minimum tear strengths: 20 / 28 / 35 kN/m.
- Fabrication uses
- A:B = 1:1 · platinum-catalysed · 120–150°C · moulding shrinkage 1.8–2.5%.
APPLICATIONS
Discuss liquid silicone Precision seals · Thin-wall moulded parts · Transparent functional components
LSR SERIES / TECHNICAL DATA
Grades & specifications
Grade code = series + nominal hardness + performance suffix.
T General transparentS Food / medical application series*G High-tear precision
| Grade | Hardness / Shore A | Density / g/cm³ | Viscosity / Pa·s at 25°C | Tensile strength / MPa | Elongation at break / % | Tear strength / kN/m |
|---|---|---|---|---|---|---|
| LSR20T | 20±3 | 1.10±0.02 | 150±20 | ≥7.5 | ≥600 | ≥20 |
| LSR30T | 30±3 | 1.10±0.02 | 150±20 | ≥7.5 | ≥600 | ≥20 |
| LSR40T | 40±3 | 1.10±0.02 | 150±20 | ≥7.5 | ≥600 | ≥20 |
| LSR50S | 50±3 | 1.12±0.02 | 160±20 | ≥9.0 | ≥550 | ≥28 |
| LSR60S | 60±3 | 1.12±0.02 | 160±20 | ≥9.0 | ≥550 | ≥28 |
| LSR50G | 50±3 | 1.14±0.02 | 180±20 | ≥10.5 | ≥450 | ≥35 |
| LSR60G | 60±3 | 1.14±0.02 | 180±20 | ≥10.5 | ≥450 | ≥35 |
| LSR70G | 70±3 | 1.14±0.02 | 180±20 | ≥10.5 | ≥450 | ≥35 |
Values are from the product handbook. Hardness and mechanical properties refer to cured rubber; liquid viscosity is measured at 25°C. *S is a series designation, not certification for every application. Request grade-specific data and relevant compliance documents.
CORE PERFORMANCE & PROCESSING
Performance &
process parameters.
These are reference values from the product handbook. Confirm the grade, cure conditions and part geometry before setting production parameters.
| Parameter | Solid silicone rubber / QX | Liquid silicone rubber / LSR |
|---|---|---|
| Compression set · 180°C × 22 h | ≤28%; high-end grades ≤25% | ≤22%; high-tear precision grades ≤20% |
| Rebound resilience | ≥50%; high-tear grades ≥55% | ≥58%; high-tear grades ≥62% |
| Temperature range · handbook | −60 to 230°C | −60 to 250°C |
| Volume resistivity | ≥1.0 × 10¹⁵ Ω·cm | ≥1.2 × 10¹⁵ Ω·cm |
| Dielectric strength | ≥22 kV/mm | ≥25 kV/mm |
| Forming process | Compression moulding / extrusion | Dedicated liquid silicone injection moulding |
| Cure system | DBPH peroxide cure system | Platinum-catalysed, two-component A/B |
| A:B mixing ratio | Not applicable | 1:1 |
| Cure temperature | 170–180°C | 120–150°C |
| Cure time | 5–8 min | Confirm for the grade and part geometry |
| Moulding shrinkage | Not specified in handbook | 1.8–2.5% |
Handbook temperature ranges do not guarantee continuous service under every load or environment. Processing conditions and final properties depend on the grade and curing conditions.
Test methods referenced in the handbook
Hardness: GB/T 531.1-2008 · Tensile strength / elongation: GB/T 528-2009 · Tear strength: GB/T 529-2008 · Compression set: GB/T 7759.1-2015 · Liquid viscosity: GB/T 2794-2013.
Test method editions follow the supplied handbook. Request the applicable test conditions and current grade documents for qualification.
APPLICATIONS
Applications.
Bioprocess & fluid handling
Flexible tubing, connector seals and diaphragms for fluid-handling assemblies.
Medical-device components
Mask cushions, soft interfaces and precision molded device parts.
Precision industrial & electrical
Custom gaskets, insulating sleeves and protective boots matched to the assembly and operating conditions.
Selected consumer applications
Options are also available for selected kitchen accessories and soft-touch consumer components.
These are application examples, not product certifications. Semiconductor use requires equipment-specific qualification. Plasma exposure and aggressive chemicals need separate material assessment. Medical, bioprocess and food-contact applications require suitable grades and validation for the intended use.
LET’S TALK MATERIALS
What are you making?
Tell us the application, forming process, target hardness and appearance you need.