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PRODUCTS
Specializing in the production of highquality silicone rubber products
PRODUCT
Specializing in the production of highquality silicone rubber products
— Product Categories
-
Silicone tube -
LED light strip silicone sleeve -
Foamed silicone tube -
Silicone braided tube -
Medical silicone tube -
Peristaltic pump silicone hose -
Communication/power shrink tubing -
Silicone shielding strip -
Foam silicone sealing strip -
Silicone sealing strip/ring -
Bicycle handle cover/strap -
Silicone sheets and miscellaneous parts -
Silicone leather
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Silicone straw
The silicone straws for baby bottles and water cups produced by Factory in China are made of food-grade silicone materials to ensure safety and non-toxicity, especially suitable for babies and children. The straws are soft and durable, suitable for all kinds of baby bottles and water cups, and easy to clean and maintain. We also provide customized services to meet the special needs of different customers, ensuring that each straw meets the highest health and safety .
Product Features
Food-grade safety: Made of high-quality food-grade silicone material, it is non-toxic, harmless and meets international safety standards.
Soft and durable: The straw is soft but durable and not easy to damage, suitable for daily use by babies and children.
Easy to clean: The material is smooth and not easy to retain stains, suitable for high-temperature disinfection to ensure hygiene.
Multi-purpose design: Suitable for a variety of bottles and cups to meet the needs of children of different ages.
Support customization: Provide a variety of customized services such as color and size to meet the personalized needs of brands and users.
Application
| Baby Daily Necessities | State Grid | BS/COM/ESS | Optoelectronics industry |
| mechanical seal | New energy vehicles | Home appliance | Sports equipment |
- Parameters
Product Features
Food-grade safety: Made of high-quality food-grade silicone material, it is non-toxic, harmless and meets international safety standards.
Soft and durable: The straw is soft but durable and not easy to damage, suitable for daily use by babies and children.
Easy to clean: The material is smooth and not easy to retain stains, suitable for high-temperature disinfection to ensure hygiene.
Multi-purpose design: Suitable for a variety of bottles and cups to meet the needs of children of different ages.
Support customization: Provide a variety of customized services such as color and size to meet the personalized needs of brands and users.
Application
| Baby Daily Necessities | State Grid | BS/COM/ESS | Optoelectronics industry |
| mechanical seal | New energy vehicles | Home appliance | Sports equipment |
Yutian · Three factories one chain – from raw silicone to finished tube
Heat Shrink Silicone Tube
High temperature & high voltage insulation · Tight fit · RoHS compliant
✓ Electronic components✓ Wire harness & terminals✓ Industrial equipment
Shrink temp 100‑150°CFlame retardant optionalTensile ≥7.0 MPaFree samples
Three factories · Full industry chain synergy
Guilin Yutian
Silicone raw material
Dongguan Huahong
Compounding & auxiliaries
Dongguan Yutian
Precision extrusion & finishing
Raw materialCompoundingExtrusionFinished tube
Why Yutian heat shrink silicone tube
High temperature & voltage resistance
-40°C to +200°C · ≥25kV/mm dielectric strength
Withstands extreme heat and cold, resists breakdown. Ideal for high‑voltage insulation and harsh environments.
→ Safe, reliable protectionUniform shrink – tight fit
2:1 or 3:1 shrink ratio · 100‑150°C activation
Even shrinkage without bubbles or wrinkles. Conforms perfectly to irregular shapes.
→ No gaps, complete coverageRoHS compliant & eco‑friendly
Non‑toxic, odorless, halogen‑free
Meets international environmental standards. Safe for consumer electronics and export.
→ Worry‑free complianceFlexible & abrasion resistant
High flexibility, tear‑resistant
Remains flexible after shrinking. Withstands friction, vibration, and long‑term aging.
→ Extended component lifeFull customisation
ID 1‑80mm · custom shrink ratio · any colour
Tailored to your wire gauge, component shape, and application needs. Low tooling cost, fast sampling.
→ Exact fit for your designTechnical specifications & custom range
| Parameter | Standard range | Custom range |
|---|---|---|
| Material | High quality heat shrink silicone (industrial / flame-retardant grade) | |
| Shrink ratio | 2:1 / 3:1 | Custom ratio available |
| Shrink temperature | 100°C – 150°C | — |
| Inner diameter before shrink (mm) | 3 – 50 | 1 – 80 |
| Inner diameter after shrink (mm) | 1.5 – 25 | Custom by ratio |
| Wall thickness (mm) | 0.5 – 2.0 | 0.3 – 3.0 |
| Hardness (Shore A) | 60 ± 5 | 50 – 80 |
| Temperature range | -40°C to +200°C | Up to 300°C optional |
| Dielectric strength | ≥25 kV/mm | Higher on request |
| Tensile strength | ≥7.0 MPa | Up to 9.0 MPa |
| Colour | Black / white / transparent | Custom colours |
| Certifications | RoHS, REACH, third‑party test reports available | |
Typical applications
💻
Electronic components
Pin insulation, capacitor/resistor encapsulation, sensor protection
🔌
Wire harness & terminals
Cable joints, terminal protection, wire bundling
🏭
Industrial equipment
Machine wiring, control cabinet, electrical interface sealing
🚗
Automotive electronics
Engine wiring harness, sensor leads, ECU pin protection
🏠
Home appliances
Internal wire insulation, heating element end caps
🔋
EV & charging piles
Charging cable insulation, battery pack wire protection
How to use heat shrink silicone tube
1
Select & cut
→
2
Slide over part
→
3
Heat (100‑150°C)
→
4
Cool & inspect
Use heat gun or oven. Heat evenly – avoid local overheating.
Made to your specification
Inner diameter before shrink 1‑80mm
Custom shrink ratio
Wall thickness 0.3‑3.0mm
Hardness 50‑80 Shore A
Any colour (Pantone matching)
Flame retardant grade optional
🎁 Cooperation benefits
📦
Free samples
Stock sizes free (shipping cost applies)
Test shrink fit before bulk order
Test shrink fit before bulk order
🎨
Custom development
Sample in 7‑10 days for custom sizes/colours
Low tooling cost
Low tooling cost
⚡
Fast delivery
Stock 2‑4 days · custom 7‑10 days
Expedite available
Expedite available
Certifications & quality
RoHS
Compliant
CertifiedHigh temp test
200°C aging
PassedDielectric test
≥25kV/mm
Verified⭐ National High‑tech Enterprise | 🏭 ISO 9001 certified
Customer feedback
“Yutian heat shrink silicone tube shrinks evenly and fits tightly around components. Excellent insulation and high temperature resistance. RoHS compliant – perfect for our export electronics.”
— Purchasing Manager, Shenzhen Electronics Manufacturer
Frequently asked questions
What shrink ratios are available?
Standard 2:1 and 3:1. Custom shrink ratios can be developed on request.
What temperature does it shrink at?
Activation starts around 100°C; full shrink occurs at 100‑150°C using a heat gun or oven.
Is it suitable for high‑voltage applications?
Yes, dielectric strength ≥25 kV/mm. Can be used for insulation of HV wires and components.
Does it have RoHS certification?
Yes. All batches comply with RoHS. Test reports available.
Can I get a custom colour?
Absolutely. We can match Pantone colours for brand or identification needs.
How fast can I get samples?
Free samples of stock sizes within 3 days. Custom size/colour samples typically 7‑10 days, tooling fee deductible.
Need heat shrink silicone tubing for insulation or wire protection?
Contact Yutian for free samples, technical datasheets, and custom solutions.
Request a quote →Dongguan Yutian Silicone Rubber Technology Co., Ltd. | Heat shrink silicone tube manufacturer | 2:1/3:1 shrink ratio | -40°C to +200°C | RoHS certified | OEM/ODM
Tel/Whatsapp: +86 18028921514 | Email: salesmanager@yutiansilicone.com
Tel/Whatsapp: +86 18028921514 | Email: salesmanager@yutiansilicone.com
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