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Silicone strip
qiniu
I. Raw Material Description
All medical silicone products and silicone strip series adopt imported medical-grade silicone with Shore A hardness of 70 as the core raw material, suitable for a full range of high-end medical application scenarios, so as to guarantee product quality and user safety from the source.
This raw material is a special silicone material with dual food and medical certifications, fully complying with safety standards for medical devices in contact with the human body. It is odorless, non-toxic and free of side effects, and contains no hazardous substances such as heavy metals or plasticizers. Boasting excellent biocompatibility, it can come into direct contact with human skin, mucous membranes and body fluids without triggering allergies, irritation, infection or other adverse reactions.
The imported medical silicone of 70 Shore A hardness delivers outstanding toughness and elasticity. With moderate hardness, it resists deformation and cracking, and features superior tensile and tear resistance, maintaining stable shape and performance during long-term service.
In addition, the raw material withstands high and low temperatures, aging, as well as acid and alkali corrosion. It can repeatedly undergo routine medical sterilization processes including high-temperature high-pressure sterilization and ethylene oxide sterilization, without yellowing, hardening or performance degradation after sterilization, thus sustaining stable performance long-term and perfectly meeting the core demands of the medical industry for frequent sterilization and repeated use.
Compared with ordinary industrial silicone, this imported medical silicone features higher purity, fewer impurities and superior air tightness. It effectively avoids the drawbacks of conventional materials such as easy aging, powder shedding and substandard safety, laying a solid foundation for safe medical applications.
II. Raw Material Performance Parameters
| Routine Test Items | Test Standard | YH-7171 |
| Color | Visual Inspection | Grey |
| Density (g/cm³) | GB/T 16583-1996 | 1.24 |
| Hardness (Shore A) | GB/T 531.1-2008 | 70±2 |
| Tensile Strength (MPa, ≥) | GB/T 528-2009 | 7.5 |
| Elongation at Break (%, ≥) | GB/T 528-2009 | 220 |
| Permanent Set at Break (%, ≤) | GB/T 528-2009 | 5 |
| Tear Strength (kN/m, ≥) | GB/T 529-2008 | 18 |
| Compliant with RoHS and REACH Standards | ||
III. Production Process
The manufacturing of medical silicone products adopts special curing agents imported for medical-grade silicone together with integrated compression molding technology. The whole production process is standardized and precision-controlled, eliminating hidden risks such as gaps, detachment, dirt and residue accumulation caused by splicing and bonding procedures. Products made via this process boast far superior integrity, sealing performance and durability compared with those produced by conventional splicing techniques.
The entire production is carried out in a professional dust-free clean workshop in strict compliance with medical device manufacturing specifications. We tightly control workshop temperature, humidity, dust concentration and bacterial count to avoid impurity contamination and bacterial adhesion during production, ensuring the cleanliness of finished products meets standards. The core production workflow is managed with meticulous control as follows:
First, the imported 70 Shore A medical-grade silicone raw material undergoes sorting, purification and compounding. Special food & medical-grade curing agents are blended in precise proportions to guarantee full and uniform cross-linking reaction of silicone.
Next, integrated high-temperature compression molding is performed with high-precision molds. Three core parameters — temperature, pressure and duration — are accurately regulated to ensure every single product features precise dimensions, uniform density, smooth burr-free surfaces and zero bubble defects.
After molding, secondary vulcanization is implemented to thoroughly volatilize residual small-molecule substances inside the material, further improving product stability, safety and weather resistance.
Once finished products are processed, they undergo a strict full-inspection quality control procedure. Operators conduct dual manual & equipment testing on multiple indicators including appearance, dimensional accuracy, hardness, sealing performance, elasticity and cleanliness to screen out defective items. All qualified products are cleanly sealed before warehousing. Storage, packaging and delivery are all completed under dust-free conditions. Every stage from production and quality inspection to outbound shipment is strictly supervised, ensuring 100% of delivered products comply with medical standards.
IV. Product Application Scenarios
Benefiting from premium imported medical-grade raw materials and precision dust-free production processes, our factory’s medical silicone products and silicone strips feature high safety, outstanding stability and wide compatibility. They are widely adopted in professional settings including general medical treatment, medical aesthetics, rehabilitation care and laboratories. The core applicable scenarios are listed below:
1.Supporting Components for Medical Devices
They serve as sealing, cushioning and fluid-guiding accessories for all types of medical equipment, covering infusion devices, respiratory equipment, anesthesia machines, rehabilitation physiotherapy apparatus, testing instruments, etc. Product forms include sealing silicone strips for equipment, shock-absorbing silicone strips and flow-guiding silicone fittings. With excellent sealing performance and sterilization resistance, they ensure stable operation and sterile safety of medical equipment.
2.Interventional & Non-Invasive Medical Consumables
Suitable for non-invasive contact fittings, auxiliary catheter silicone strips, medical fixation silicone strips, wound protective liners and other products. The material can be directly attached to human skin and wounds; soft and skin-friendly, it causes no irritation or allergic reactions, ideal for post-surgery wound protection and clinical treatment fixation.
3.Medical Aesthetics & Plastic Surgery Industry
Applied as sealing fittings for aesthetic medical instruments, auxiliary plastic surgery liners, non-invasive physiotherapy silicone accessories, etc. They meet the industry’s strict standards for high cleanliness, safety and precision. The soft material fits closely to human bodies, matching refined aesthetic medical equipment and auxiliary clinical procedures.
4.Rehabilitation & Nursing Care Sector
Used as sealing, shock-absorbing and fitting accessories for elderly care equipment, rehabilitation aids and household medical care devices. The durable, aging-resistant silicone strips deliver a gentle touch, safe and reliable for long-term rehabilitation care applications.
5.Medical Laboratories & Cleanroom Environments
Function as dust-proof sealing silicone strips for medical clean equipment, lab instruments and sterile workbenches. Manufactured via dust-free processes, the products are powder-free, easy to clean and withstand repeated sterilization, suitable for sterile labs, hospital operating rooms, sterile wards and other clean environments.
6.Medical Cold Chain & Storage Equipment
Deployed as sealing silicone strips for medical refrigerated cabinets, constant-temperature storage cabinets and sterile storage devices. Boasting superior resistance to extreme temperatures and thermal insulation sealing performance, they maintain airtight, sterile and constant-temperature storage conditions for medical consumables and pharmaceuticals.





