Si-TPV Soft Elastic Material Sustainable Style: Explaining what the most comfortable straps and strap types are?

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In the world of watches, every detail is crucial. What materials are used in watches?

Straps and bands are mainly made of leather straps: Leather straps: classic and stylish. Metal straps: durable and easy to maintain. Nylon straps: sporty and comfortable. Vegan leather straps: animal-friendly and innovative in design. Silicone straps: sturdy and casual. But also more or less imperfect.

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Detail

Discover Si-TPV Soft Elastic Material (Thermoplastic Elastomers/ Elastomeric Materials/ Elastomeric Compounds), an eco-friendly technological material.
Si-TPV utilizes Soft Slip Coating Technology, a Skin Safety Comfortable Waterproof Materia, Eco-Friendly Elastomeric Materials Compounds/ Environmentally Friendly Thermoplastic Elastomers and Extremely Silky Feel Material Without Additional Coating, choose Si-TPV sustainable high-performance materials for your wearable device straps and bands. It's not just about decorating your wrist, it's also about supporting a greener, cleaner future.

Key Benefits

01

Long-term soft skin-friendly comfort touch does not require additional processing or coating steps.
02

Stain-resistant, resistant to dust accumulated, resistant against sweat and sebum, retaining the aesthetic appeal.
03

Further surface durable scratch & abrasion resistance, waterproof, resistance to weather, UV light, and chemicals.
04

Further surface durable scratch & abrasion resistance, waterproof, resistance to weather, UV light, and chemicals.
05

Si-TPV creates a superior bond with the substrate, it is not easy to peel off.

Durability Sustainability

Advanced solvent-free technology, without plasticizer, no softening oil, and odorless.
Environmental protection and recyclability.
Available in regulatory-compliant formulations

Si-TPV Overmolding Solutions

Overmolding recommendations
Substrate Material	Overmold Grades	Typical Applications
Polypropylene (PP)	Si-TPV 2150 Series	Sport Grips, Leisure Handles,Wearable Devices Knobs Personal Care- Toothbrushes, Razors, Pens, Power & Hand Tool Handles, Grips, Caster Wheels，Toys
Polyethylene (PE)	Si-TPV3420 Series	Gym Gear, Eyewear, Toothbrush Handles,Cosmetic Packaging
Polycarbonate (PC)	Si-TPV3100 Series	Sporting Goods, Wearable Wristbands, Handheld Electronics, Business Equipment Housings, Healthcare Devices, Hand and Power Tools, Telecommunications and Business Machines
Acrylonitrile Butadiene Styrene (ABS)	Si-TPV2250 Series	Sports & Leisure equipment, Wearable Devices, Housewares, Toys, Portable Electronics, Grips, Handles, Knobs
PC/ABS	Si-TPV3525 Series	Sports Gear, Outdoor Equipment,Housewares, Toys, Portable Electronics, Grips, Handles, Knobs, Hand and Power Tools, Telecommunications and Business Machines
Standard and Modified Nylon 6, Nylon 6/6, Nylon 6,6,6 PA	Si-TPV3520 Series	Fitness Goods, Protective Gear, Outdoor Hiking Trekking Equipments, Eyewear, Toothbrush Handles, Hardware, Lawn and Garden Tools, Power Tools

Overmolding Techniques & Adhesion Requirements

SILIKE Si-TPVs Overmolding can adhere to other materials through injection molding. suitable for insert molding and or multiple material molding. Multiple material molding is otherwise known as Multi-shot injection molding, Two-Shot Molding, or 2K molding.

SI-TPVs have excellent adhesion to a variety of thermoplastics, from polypropylene and polyethylene to all kinds of engineering plastics.

When selecting an Si-TPV for an over-molding application, the substrate type should be considered. Not all Si-TPVs will bond to all types of substrates.

For more information regarding specific over-molding Si-TPVs and their corresponding substrate materials, please feel contact us.

Application

Si-TPV Modified silicone elastomer/Soft elastic material/soft overmolded material is an innovative approach for manufacturers of smart watch bands and bracelets that require unique ergonomic designs as well as safety and durability. It is an innovative approach for manufacturers of smart bands and bracelets that require unique ergonomic design as well as safety and durability. In addition, it is also widely used as a replacement for TPU coated webbing, TPU belts and other applications.

However, silicone is susceptible to dust absorption, aging, and breakage, and is prone to discoloration over time; metal bands are heavier, unsuitable for long periods of time, and relatively expensive; and leather bands are less abrasion-resistant. Compared with metal, rubber and other materials, leather strap is easy to be affected by daily wear and tear, and it is easy to wear for a long time with abrasion, deformation and discoloration, especially in high temperature and humid environment, the leather strap is more likely to be damaged. And the resistance of leather strap to water and sweat is weak. Due to the water absorption of leather itself, if it comes into contact with water or sweat for a long time, it is easy to lead to hardening, deformation and even color fading of leather strap, which affects the wearing comfort and aesthetics.

Therefore, more and more consumers are looking for watch straps with durability, comfortable touch and anti-fouling performance.

However, “comfort touch” – the term itself is difficult to describe. The soft-touch “feel” depends on a combination of material properties (hardness, modulus and coefficient of friction), texture and wall thickness.

SILIKE is energizing a bright future with the introduction of Si-TPV, a new material for smartwatch bands! With its unique silky-smooth, skin-friendly feel, excellent resistance to stains, flexibility, and durability, Si-TPV is an ideal choice for watch band designers. Additionally, Si-TPV has environmental and sustainability advantages over traditional materials used in smartwatch band product design, and is quickly becoming the material of choice for manufacturers or brand owners who want to stand out from their competitors while creating a beautifully sensual, high-quality green fashion product!
Key Benefits The strap utilizes Si-TPV technology. 1. Silky Touch: Si-TPV has a unique silky, skin-friendly touch, making it the ideal material to enhance the aesthetics, comfort and fit of wearable devices and straps and bands. 2. Durability: Superior durability - from resistance to abrasion and stains to resistance to UV radiation, chemicals or sweat, sebum, and reduced dust attraction, 3. Stain-resistant and non-sticky: no plasticizers that can create a sticky surface. Instead, the silicone itself is a softener. 4. Superior aesthetics: Long-lasting color fastness even when exposed to sweat, grease, UV rays and abrasive environments.