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Silicone O-Ring

Food and industrial grade silicone o-rings, -60℃ to 230℃.

Silicone O-Ring

Features

  • -60℃ to 230℃ range
  • FDA / LFGB test reports available
  • ±0.05mm tolerance

Customization Process

01
Send drawings/samples
02
Confirm & quote
03
Tooling & sampling
04
Mass production

Applications

Used across hydraulic/pneumatic, home appliances, electronics, medical devices, food machinery, automotive, EV batteries, pumps/valves, and sanitary ware for sealing, dust-proofing, shock absorption, buffering, and insulation. Custom per drawing/sample, free sampling, stable lead time, helping cut BOM costs.

Process & Certifications

Materials range from food-grade, medical-grade, oil-resistant, to high-temperature compounds; hardness 30-70 Shore A; standard tolerance ±0.05mm (precision ±0.02mm). O-rings per GB/T 3452.1 and AS568. FDA, LFGB, RoHS, REACH reports; material certificates and dimensional inspection. Compression set (ASTM D395) ≤15% at 150°C×22h.

Frequently Asked Questions

What temperature range can silicone seals withstand?+

Standard food-grade silicone: -60°C to +230°C; specialty compounds tolerate +300°C short-term. We select Shore A 30-70 and compound per your working conditions.

What is the minimum O-ring size and precision tolerance?+

Minimum inner diameter 1.0mm. Standard tolerance ±0.05mm, precision grade ±0.02mm. FDA / LFGB / RoHS / REACH reports available.

What is your MOQ and sampling lead time?+

From 50 pcs, small-batch trials supported. Free 1-3 samples (customer pays shipping); sampling 5-7 working days; mass production 15-25 days.