Soft Silicone Rubber Adjustable Sport Watch Straps Replacement Smart Watch Bands

• Customization: Available
• Material: Silicone Rubber
• Application: Household, Medical, Industrial, Agricultural
• Model NO.: Overmolding-05
• Certification: ISO
• Display Methods: Digital
• Feature: Power Reserve
• Movement: Digital
• Clasp Type: Buckle
• Detachable Case: Detachable Case
• Waterproof: 300 M
• Type: Ion Watch
• Gender: All
• Case Shape: Custom Welcomed
• Dial Color: Custom Welcomed
• MOQ: 5000
• Transport Package: PP Bag + Paper Cartons
• Specification: Size, shape custom welcomed
• Trademark: Custom Logo
• Origin: Xiamen, China
• HS Code: 3926909090
• Production Capacity: 20000/Month

Product Description

Silicone Overmolded Silicone Watchband with Overmolding PP Plastic Buckle


Silicone Rubber Watchband are made with 100% silicone,which ensure the band not break or tear easily. We provide silicone wristbands that can used for advertising and promotional gifts, to help raise funds or awareness for your events. These wristbands allow you to give customers a souvenir that they can wear for months and months after your event.
This silicone watchband is made from silicone watchband overmolding onto plastic buckle by compression overmolding.
From following mold cavity picture, we can see there are plastic buckle position cavity. 
Why plastic buckle overmolding with can apply compression overmolding?
Because this plastic buckle is made from PA+GF(glass fiber ), which can increase the physical property of plastic:

1. Because adding GF(glass fiber ) can increase the hardness of buckle, prevent the buckle from deforming & shrinking;

2. make the buckle can be resistant to high temperature.

Liquid Silicone Rubber Watchband are made with 100% silicone,which ensure they not break or tear easily.We provide Silicone wristbands that can used for advertising and promotional gifts,to help raise funds or awareness for your events.These wristbands allow you to give customers a souvenir that they can wear for months and months after your event.

Process

The LSR molding process starts with proper part design. Anyone familiar with designing parts for injection molding should find designing an LSR part to be similar. However, the shrink rate on LSR is fairly high, and the material also tends to flash very easily during molding. Protomold helps mitigate challenges related to high shrink rates by planning appropriate tolerances and incorporating additional features into the mold design to help reduce flash. LSR typically fills thin wall sections with minimal challenges and is accommodating to variations in wall sections as sink is almost nonexistent.
 

Mold production

When an order is placed, Proto Labs will then design an LSR molding tool. Due to the flexible nature of LSR, parts are manually removed from the mold, and thus, ejector pins are not built into the mold design. Like a standard Protomold aluminum tool, an LSR molding tool is fabricated using a combination of CNC milling and CNC electrical-discharge machining (EDM) to create a high-temperature aluminum tool built to withstand the LSR molding process. After milling, the tool is polished by hand to customer specifications, which allows six standard surface finish options: PM-F0, PM-F1, SP-C1, PM-T1, PM-T2 or SPI-A2. Others may be available by request.
 

Part production

The finished tool is loaded into an advanced LSR-specific injection-molding press that is precision geared for accurate control of shot size to produce the most consistent liquid silicone rubber parts. LSR molding shares many similarities with conventional injection molding, but there are a few notable differences. Unlike thermoplastic resin, which is melted before injection, LSR is a two-part thermoset compound that is chilled before being injected into a heated mold and ultimately cured into a final part. Note that Protomold uses an automated meter mixing pump to assure the exact combination of the two-part compound; nothing is hand mixed. Since LSR is a thermosetting polymer, its molded state is permanent - once it is set, it can't be melted again like a thermoplastic.
 
Liquid silicone rubber is a free-flowing, shear thinning thermoset material that injects easily into a mold and is less prone to many defects like sink as compared to typical thermoplastic materials. However, LSR flashes extremely easily and into gaps as small as 0.0002 in. When designing a part for LSR, you should keep in mind best practices for tooling of standard plastic molds. Though the materials are different, the molds are constructed in a similar fashion.


Our other silicone overmolding onto plastic products:


 

Our Factory

Xiamen Better Silicone Rubber Co., Ltd. is located in Xiamen Fujian. We are a professional manufacturer of silicone rubber products, Medical accessories, Plastic parts, LSR parts. We focus on a wide range of diversity, reasonable price and on-time delivery. We have five plants:

1. Mold-Making Plants: Rubber Compression Mold, Plastic Injection Mold, Liquid Silicone Rubber Injection Mold (since 1998)
2. Rubber (Silicone) Compression Plant 
3. Plastic Injection Plant 
4. Liquid Silicone Injection Plant 
5. Assembly Plants