Description
1. Product Overview
Gas Tight Syringe is a precision-engineered liquid and gas handling instrument designed with a leak-proof, PTFE-tipped plunger that maintains sample integrity under positive and negative pressure. Its primary industrial use spans analytical laboratories, pharmaceutical QC, petrochemical analysis, and chemical R&D for accurate dosing, sampling, and injection of volatile, corrosive, or high-value compounds. The key value proposition lies in its zero dead-volume design and <0.1% RSD repeatability, which eliminates cross-contamination and ensures regulatory-compliant analytical results. Strategically, it is essential in markets where trace-level accuracy, sample security, and instrument uptime directly impact production quality, compliance costs, and time-to-market.
2. Key Specifications & Technical Characteristics
- Chemical Composition / Materials: Borosilicate 3.3 glass barrel with high chemical resistance; PTFE plunger tip; 304/316L stainless steel needle and luer lock fittings; chemically inert epoxy adhesive.
- Purity Level / Grade: Analytical grade; USP Class VI compliant materials; free of heavy metals and extractables; suitable for HPLC, GC, and LC-MS applications.
- Physical Characteristics:
- Form: Fixed or removable needle, luer lock, or cemented configurations
- Volume Range: 10 µL to 500 mL, ±0.5% accuracy
- Pressure Rating: Gas-tight up to 100 psi, liquid-tight up to 200 psi
- Temperature Range: -20°C to 120°C operational
- Needle Gauge: 22G to 26G standard, point styles: bevel, side-hole, blunt
- Packaging Options: Individually sealed in anti-static, tamper-evident blister packs; bulk cartons of 10, 50, or 100 units; OEM private labeling available.
- Shelf Life: Indefinite for unused units when stored in original packaging; PTFE seal integrity guaranteed 24 months from manufacture date.
3. Core Industrial Applications
- Primary Industries: Pharmaceutical manufacturing, petrochemical & refinery labs, environmental testing, food & beverage QC, semiconductor, academic & government research.
- Specific Operational Use Cases: GC/LC autosampler injection, headspace analysis, volatile organic compound (VOC) sampling, sterile drug compounding, calibration standard preparation, corrosive reagent transfer.
- Performance vs. Alternatives: Outperforms standard liquid syringes by preventing sample loss and air ingress during volatile or low-viscosity fluid handling. Unlike disposable plastic syringes, it eliminates polymer leachables and delivers <10⁻⁶ mL/min leak rate under vacuum.
- Efficiency, Durability, Cost Advantages: Reusable design supports >10,000 cycles, reducing consumable spend by up to 80% vs. single-use alternatives. Precision machining lowers repeat analysis rates, saving lab labor and solvent costs. Autoclavable construction minimizes downtime in GMP environments.
4. Competitive Advantages
- Quality Consistency: ISO 9001:2015 and ISO 13485 certified production with 100% leak and volume calibration testing; C of A provided per lot.
- Supply Reliability: Dedicated production lines with 4-week lead time; 98.5% on-time delivery rate; strategic inventory hubs in EU, US, and APAC.
- Logistics Capability: UN3373 compliant packaging for dangerous goods; validated cold-chain and hazmat shipping protocols; Incoterms DDP available.
- Price Competitiveness: Tiered volume pricing with 15-30% savings at container-level orders vs. regional distributors; direct-from-factory model eliminates middleman markup.
- Sustainability / Environmental Benefits: Reusable architecture reduces lab plastic waste; RoHS and REACH compliant materials; recyclable packaging.
- Technical Support / Documentation: Full technical dossier including MSDS, USP <660> compliance, IQ/OQ protocols, and chromatographer training support.
5. Commercial & Supply Information
- Minimum Order Quantity (MOQ) BULK 20MT: Equivalent to 50,000 units for 10 mL configuration; flexible assortment across sizes to meet 20MT.
- Loading Capacity (MT per container): 22 MT per 20ft FCL; 24 MT per 40ft HQ FCL with optimized palletized packaging.








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