Global Micro-Precision Elastomer Engineering (±20 μm)

VINA-W3 SERIES®

MICRO-PRECISION SILICONE WASHERS/GASKETS

❖ In-Stock Micro Silicone Washers/ Gaskets (0.30±0.02 mm) | Ready for immediate dispatch

High-precision 0.30±0.02 mm thickness silicone components designed for both mechanical fastening (Washer) and environmental sealing (Gasket) in M-Series micro-assemblies.

Availability Note: Our STD (Standard) Series is always In Stock and ready for immediate worldwide shipping. To ensure the highest quality and material freshness, the Medical (MED) and High-Temp (HT) series are Made-to-Order. Please contact us for lead times and minimum order quantities for these specialized grades.

0.30±0.02 mm Thickness | 50 Shore A | 21 kN/m Tear | 8 MPa Tensile | -40°C to +200°C / +250°C (High-Temp)

VINA-W3-M2.5

ID 2.7 mm — OD 5.7 mm — T0.30±0.02 mm

❖ Optimized for M2.5 micro-screws.

VINA-W3-M2.5-MED | Medical (Clear)
VINA-W3-M2.5-HT | High-Temp (Dark Red)
VINA-W3-M2.5-STD | FDA (Clear/Red)

VINA-W3-M3

ID 3.2 mm — OD 6.2 mm — T0.30±0.02 mm

❖ Engineered for M3 standard hardware.

VINA-W3-M3-MED | Medical (Clear)
VINA-W3-M3-HT | High-Temp (Dark Red)
VINA-W3-M3-STD | FDA (Clear/Red)

VINA-W3-M4

ID 4.3 mm — OD 7.3 mm — T0.30±0.02 mm

❖ Designed for M4 mounting systems.

VINA-W3-M4-MED | Medical (Clear)
VINA-W3-M4-HT | High-Temp (Dark Red)
VINA-W3-M4-STD | FDA (Clear/Red)

Download the full technical and compliance package for VINA-D Series® (FDA, RoHS, REACH, and TDS included): [ Technical Data Sheet (PDF) ] [ Global Regulatory Compliance ] [ Certificate of Origin ]

CAN'T FIND YOUR SIZE? CUSTOM MICRO-ENGINEERING

Need a custom thickness, diameter, or specialized material?

Don't settle for "close enough." If our standard catalog doesn't meet your exact specs, Vina Rubber offers Custom Tooling for your unique designs.

Upload Drawings: Send your STEP, IGS, or PDF files.

Expert Review: Receive a comprehensive DFM (Design for Manufacturing) feedback within 24h.

Tailored Precision: Custom thickness, diameter, and specialized material compounding.

Technical Inquiry & NDA Submission: # RFQ@vinarubber.com (Secure copy. We sign NDAs before reviewing STEP | IGS | PDF drawings)

Our Assurance: 🔐 NDA-Ready • 🛡️ In-house Tooling • ⚡ 24H Technical Response

Discover how we achieve Micro-precision tolerances of ±0.02 mm (20 μm) in Micro Silicone Membranes for Micro-valves — trusted by Memetis GmbH (Germany) [ Case Study: Memetis GmbH ]

ENGINEERING SELECTION GUIDE

1. Material Performance Matrix

How to select the right elastomer for your micro-project:

🔥 SILICONE (VMQ)

Temp: -40 °C to 250 °C
Flow: Excellent (Best for 0.2 mm walls)
Key: Medical Grade & Biocompatibility.

☀️ EPDM

Temp: -50 °C to +150 °C
Flow: High Stability for industrial seals.
Key: Outstanding Ozone & Weather resistance.

⛽ NBR (NITRILE)

Temp: -30 °C to +120 °C
Flow: Precision Industrial Standard.
Key: Superior Oil & Fuel resistance.

2. Precision Design Standards | Vina-Tolerance®

Tolerances optimized by Vina Rubber (Exceeding ISO 3302-1 Class M1):

LEVEL 1: ULTRA-THIN

Critical Sensing & Medical

Wall Thickness: 0.2 – 0.3 mm
Design Tolerance: ±0.03 mm
Recommended Material: Silicone (30-50 Shore A)
Focus: Micro-diaphragms, ultra-sensitive pressure valves.

LEVEL 2: HIGH-PERFORMANCE

Dynamic Sealing Solutions

Wall Thickness: 0.5 mm
Design Tolerance: ±0.05 mm
Recommended Material: Silicone, EPDM, NBR (30-70 Shore A)
Focus: Precision gaskets, miniature actuators, EV battery seals.

LEVEL 3: STANDARD PRECISION

Industrial Micro-Engineering

Wall Thickness: 1.0 mm
Design Tolerance: ±0.10 mm
Recommended Material: All Elastomers (30-70 Shore A)
Focus: Electronic enclosures, industrial O-rings, fluidic connectors.

TECHNICAL SOLUTIONS & APPLICATIONS

What Is Micro Silicone Components?

Vina Rubber is a specialized micro silicone components manufacturer focused on ultra-thin diaphragms, precision gaskets, and tight-tolerance elastomer parts for medical, sensor, and industrial applications.

Our Micro Silicone Manufacturing Expertise

We manufacture:

Micro silicone diaphragms
Silicone membranes
Precision silicone gaskets
Ultra-thin rubber components

High-Precision Silicone Engineering by Vina Rubber

While our standard catalog covers the most demanded sizes, Vina Rubber’s core strength lies in Custom Micro-Engineering. We transform complex technical drawings into high-performance rubber components with zero-defect consistency.

1. Specialized Industry Applications

Our VINA-D and VINA-G series are strategically designed for sectors where failure is not an option:

Medical & Healthcare:

Precision diaphragms for infusion pumps, respiratory ventilators, and diagnostic fluid control systems (USP Class VI & FDA Compliant).

Automotive Technology:

Ultra-sensitive pressure sensors, fuel management diaphragms, and electric vehicle (EV) battery cooling seals.

Industrial Automation:

Miniature pneumatic cylinders, micro-actuators, and high-frequency solenoid valve components.

Electronics & Wearables:

IP68 waterproof gaskets and environmental seals for high-end consumer electronics.

2. Advanced Material Science

We don't just mold rubber; we engineer performance. Our in-house material selection ensures longevity in extreme conditions:

Thermal Stability:

Operating ranges from -40°C to +200°C for High-Temp Red Silicone.

Chemical Resistance:

Specialized EPDM and NBR formulations for oil, ozone, and chemical exposure.

Mechanical Integrity:

High tear strength (up to 21 kN/m) for ultra-thin membranes (0.20 mm) that undergo millions of cycles.

WHY GLOBAL PARTNERS CHOOSE US

Precision at the Micron Level

In the world of micro-engineering, ±0.02 mm is the difference between a perfect seal and a system failure. Our facility utilizes high-speed automated molding and 100% micron-inspection protocols to ensure every single part meets your exact STEP/PDF specifications.

Fully Digitalized B2B Workflow

As a Sales Manager-led organization, we have eliminated the "waiting game."

Instant RFQ:

Upload your technical files directly to our AppSheet-powered CRM.

Swift Prototyping:

In-house tooling capabilities allow us to move from design to sample in record time.

Global Logistics:

Integrated with UPS and FedEx for express door-to-door delivery to Europe, North America, and Asia.

Strategic Manufacturing Location

Located in Hanoi, Vietnam, Vina Rubber offers a highly competitive alternative to traditional manufacturing hubs, providing superior quality-to-cost ratios and diversified supply chain security for international markets.

BEYOND THE MICRON: OUR VISION FOR TOMORROW

Our current achievements in micron-precision are merely the first steps. The true frontier of elastomer engineering remains uncharted. We invite you to explore the challenges we have yet to overcome and join us in redefining what is possible for humanity. [ View Our Global R&D Open Initiative ]

Vina Rubber Co., Ltd – Precision in Every Micron.

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