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Home > Products > Silicone Rubber Parts > Food Safe Silicone Rubber Sealing Gasket 70 Shore A High Temp Custom Parts for Industrial Equipment

Food Safe Silicone Rubber Sealing Gasket 70 Shore A High Temp Custom Parts for Industrial Equipment

Product Details

Place of Origin: China

Brand Name: OEM

Certification: ISO 9001:2015, RoHS, REACH

Model Number: OEM

Payment & Shipping Terms

Minimum Order Quantity: 100 Pieces

Price: USD 0.05 - 5.00 / Piece

Packaging Details: PE bag inner + export-grade corrugated carton outer; custom branded packaging available upon request

Delivery Time: 5-7 working days for samples, 15-25 working days for mass production

Payment Terms: T/T,L/C,PayPal

Supply Ability: 500000 Pieces per Month

Get Best Price
Highlight:

Custom Silicone Sealing Gasket

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FDA Food Grade Silicone Parts

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High Temp Industrial Seal

Material:
Silicone Rubber (Food Safe Grade)
Hardness (Shore A):
70 +/- 5
Temperature Range:
-60°C To +230°C
Color:
Custom (Pantone Matching Available)
Density:
1.15 - 1.25 G/cm³
Elongation At Break:
≥ 300%
Surface Finish:
Smooth / Matte / Textured
Production Process:
Compression Molding / Injection Molding
Material:
Silicone Rubber (Food Safe Grade)
Hardness (Shore A):
70 +/- 5
Temperature Range:
-60°C To +230°C
Color:
Custom (Pantone Matching Available)
Density:
1.15 - 1.25 G/cm³
Elongation At Break:
≥ 300%
Surface Finish:
Smooth / Matte / Textured
Production Process:
Compression Molding / Injection Molding
Food Safe Silicone Rubber Sealing Gasket 70 Shore A High Temp Custom Parts for Industrial Equipment

Food Safe Silicone Rubber Sealing Gasket — Custom OEM Industrial Sealing Solutions

Our silicone rubber sealing gaskets are precision-engineered using high-grade food-safe compliant silicone elastomer at 70 Shore A durometer, delivering exceptional sealing performance across a wide range of industrial and food-processing environments. With custom molding capabilities and in-house tooling, we produce gaskets tailored exactly to your dimensional, color, and performance specifications.

🔧 Application Scenarios

  • Food & Beverage Processing Equipment — food-safe compliant gaskets for pipe flange seals, mixing tank lid seals, and filling machine connections.
  • Medical & Pharmaceutical Devices — Sealing rings for sterilization chambers, peristaltic pump housings, and diagnostic instrument assemblies.
  • HVAC & Industrial Machinery — High-temperature resistant seals for ductwork, heat exchangers, compressor housing, and valve body interfaces.
  • Automotive Fluid Systems — Coolant line seals, fuel cap gaskets, and sensor housing O-ring replacements resistant to oil and coolant exposure.
  • Electrical Enclosure Sealing — IP-rated dust and waterproof seals for outdoor junction boxes, LED lighting fixtures, and control panels.

📊 Technical Specifications

ParameterValue
Material Gradefood contact safety standards Food Grade Silicone
Hardness70 Shore A (±5 tolerance)
Operating Temperature-60°C to +230°C (-76°F to +446°F)
Density1.15 – 1.25 g/cm³
Tensile Strength≥ 8 MPa (ISO 37)
Elongation at Break≥ 300%
Tear Strength≥ 20 kN/m (ASTM D624 Die B)
Compression Set≤ 25% (22h @ 175°C)
Color OptionsCustom Pantone matching; translucent, white, red, black, gray standard
Molding MethodsCompression Molding / Injection Molding / Transfer Molding
Surface FinishSmooth, matte, or textured per customer requirement
Thickness Range0.5 mm to 20 mm

✅ Quality Assurance

  • Incoming Material Inspection: All raw silicone compounds are batch-tested for durometer, density, and food safety compliance before production release.
  • In-Process Quality Control: Real-time monitoring of molding pressure, temperature, and cure time with SPC (Statistical Process Control) data logging on every production batch.
  • Finished Product Testing: Each production lot undergoes dimensional inspection (calibrated vision measurement system ±0.02 mm), hardness testing (Shore A durometer), tensile/elongation testing per ISO 37, and visual cosmetic inspection under 10x magnification.
  • Certifications: ISO 9001:2015 certified quality management system; material certifications including food contact safety standards, RoHS 2.0, and REACH SVHC available with every shipment.
  • Traceability: Full batch-level traceability from raw material lot number to finished product — material certificates retained for 5 years.

📦 Packaging Specifications

  • Standard Export Packaging: Products packed in clean PE polybags (50–100 pcs/bag depending on size), heat-sealed for contamination protection, then placed in 5-ply export-grade corrugated cartons with internal partition dividers to prevent transit deformation.
  • Custom Branded Packaging: Available upon request — custom color boxes, blister trays, or retail-ready clamshell packs with your logo and barcode printed in Pantone-matched colors.
  • Palletization: Cartons stacked on fumigated ISPM-15 certified wooden pallets, stretch-wrapped and corner-protected for container shipping.
  • Labeling: Each carton labeled with product code, quantity, gross/net weight, and shipping mark per customer specification.
  • Moisture Protection: Silica gel desiccant packets included in each carton for long-distance ocean freight.

🛠️ After-Sales Service

  • Technical Support: Dedicated engineering team available for installation guidance, material selection consultation, and failure analysis reports within 48 hours of inquiry.
  • Warranty: 12-month quality warranty against manufacturing defects under normal operating conditions. Free replacement or refund for verified defect claims.
  • Sample Retention: Production reference samples retained for 2 years, enabling rapid comparison in case of any quality dispute.
  • Order Tracking: Real-time production progress updates with photos and inspection reports shared via email or WhatsApp before shipment.
  • Spare Parts Support: Priority re-order processing for ongoing supply contracts with 48-hour rush production option available for urgent requirements.

🏭 Factory Scale & Capabilities

  • Production Floor: 8,000+ m² manufacturing facility with dedicated silicone rubber molding workshop, CNC tooling room, and QC laboratory.
  • Equipment Fleet: 20+ compression molding presses (50T to 300T capacity), 8 injection molding machines, 3 liquid silicone rubber (LSR) injection systems, and 5 CNC machining centers for in-house mold fabrication.
  • Monthly Capacity: 500,000+ pieces across all silicone rubber product lines; 50+ mold sets fabricated per month.
  • Workforce: 150+ skilled employees including 12 R&D engineers, 8 QC inspectors, and dedicated international trade team of 6 specialists fluent in English, Spanish, and French.
  • Mold Life: Precision hardened steel molds with 500,000+ shot lifetime; aluminum prototype tooling available for low-volume runs.
  • Lead Time: 5–7 working days for sample molds, 15–25 working days for production molds and mass production ramp-up.

❓ Frequently Asked Questions (FAQ)

Q1: Can you produce gaskets in custom sizes and shapes?
Yes, we specialize in full custom OEM manufacturing. Simply provide your 2D/3D drawing (DWG, STEP, PDF, or even a hand sketch), and our engineering team will design a production mold to your exact specifications. We can produce gaskets from 5 mm to 800 mm in outer diameter and thickness from 0.5 mm to 20 mm.

Q2: Is the silicone material truly food safe grade?
Absolutely. We use certified platinum-cured silicone elastomer that meets food contact safety standards for repeated food contact. Full material certificates and third-party lab test reports (SGS, Intertek) are provided with every production batch.

Q3: What is your minimum order quantity (MOQ)?
Our standard MOQ is 100 pieces per design. For prototype or small-batch requirements, we offer flexible low-volume production with aluminum tooling at reduced mold cost — ideal for startups and product development testing.

Q4: How long does it take to receive samples?
Sample production typically takes 5–7 working days from mold confirmation, plus 3–5 working days for international express shipping (DHL/FedEx/UPS). Rush 3-day sample service is available at a small surcharge.

Q5: Can you match a specific color for our brand?
Yes, we offer custom color matching via Pantone code reference. Both solid colors and translucent silicone are available. A color-matching sample will be sent for your approval before production begins.

Q6: Do you offer free samples?
We provide free existing stock samples for evaluation; custom samples require a one-time mold fee which is credited back to your first production order exceeding 5,000 pieces.