Polyvinylidene Fluoride (PVDF HSV900)

Description

1. Product Overview

N-Methyl-2-pyrrolidone (NMP) Electronic Grade is a high-purity, polar aprotic solvent engineered for mission-critical microelectronics and advanced battery manufacturing. Its primary industrial use is as a process solvent for photoresist stripping, wafer cleaning, and as the indispensable diluent for lithium-ion battery electrode slurries (PVDF binders). The key value proposition is achieving sub-ppm ionic and particulate contamination levels, directly enabling higher semiconductor yields and consistent energy density in EV batteries. Strategically, this product is vital as global demand for chips and electric vehicles intensifies; any purity deviation risks entire production batches, making certified electronic-grade NMP a non-negotiable input for Tier 1 manufacturers.

2. Key Specifications & Technical Characteristics

• Chemical Composition: N-Methyl-2-pyrrolidone (C₅H₉NO), CAS 872-50-4

• Purity / Grade: Electronic Grade, ≥99.95% (GC area %)

• Physical Characteristics:

  • Form: Transparent, colorless to faint yellow liquid

  • Water content: ≤100 ppm (Karl Fischer)

  • Particle count: ≤50 particles/mL (≥0.2 µm)

  • Metal ions (each): ≤1 ppb (ICP-MS) for Li, Na, K, Ca, Fe, Cu, Zn, Cr

  • Anions (Cl⁻, NO₃⁻, SO₄²⁻): ≤0.1 ppm each

  • Density (20°C): 1.028–1.032 g/cm³

• Packaging Options:

  • 200 L stainless steel drum (UN certified, electro-polished interior)

  • 1,000 L IBC (static-dissipative grade)

  • ISO tank container (20 MT, high-purity lined, nitrogen blanketed)

• Shelf Life: 12 months from date of manufacture in unopened, original packaging (store 15–30°C, away from moisture and oxidizers)

3. Core Industrial Applications

• Primary Industries: Semiconductor fabrication (front-end-of-line & back-end-of-line), lithium-ion battery gigafactories, flat panel display (OLED) manufacturing, specialty polymer synthesis (polyimide, PES).

• Specific Operational Use Cases:

  • Wafer cleaning & photoresist stripping: Dissolves cross-linked resist residues without attacking underlying low-k dielectrics.

  • Lithium-ion battery electrode slurry: Homogenizes PVDF binder with NMC/LFP cathode particles, ensuring defect-free coating.

  • Polyimide varnish production: Serves as the high-boiling reaction medium for imidization.

• Performance vs. Alternatives:

  • Compared to standard or industrial-grade NMP: Electronic grade eliminates surface haze, metal contamination, and gel particles that cause micro-shorts in batteries or via failures in semiconductors.

  • Compared to DMSO or DMF: NMP offers superior thermal stability (boiling point 202°C), lower surface tension for better wetting, and faster stripping kinetics, reducing cycle time by 15–20%.

4. Competitive Advantages

• Quality consistency: Statistical process control (SPC) on every batch; certificate of analysis (CoA) includes particle count and full trace metal panel. Lot-to-lot variability <0.5% RSD.

• Supply reliability: Dedicated electronic-grade production line (no cross-contamination with industrial grades). Buffer stock held in three regional hubs (Asia, Europe, North America). Typical lead time: 15 days EXW.

• Logistics capability: Inertized ISO tanks with real-time GPS tracking and pressure monitoring. Ambient-temperature shipping – no dangerous heat or freeze protection required.

• Price competitiveness: Transparent formula: base chemical price + purity premium. Volume discounts (≥500 MT/year) compress premium to <8% over industrial grade – ROI proven via defect reduction in yield.

• Sustainability: 98% recovery and recycling option available through closed-loop solvent management system. REACH, RoHS, and TSCA compliant. Non-PBT (not persistent, bioaccumulative, nor toxic) under EU criteria.

• Technical support: Dedicated process engineering team provides contamination audits, filtration optimization, and on-site QC training.

5. Commercial & Supply Information

• Minimum Order Quantity (MOQ): 20 MT (one ISO tank) for first-time orders; 10 MT for repeat customers.

• Bulk Loading Capacity:

  • 20 MT per ISO container (net weight; tare excluded). Standard loading: 20,000 kg ±1%.

  • Drums: 80 drums per 20′ container (16 MT net). IBCs: 18 units per 20′ container (18 MT net).

• Pricing & payment: Available on request based on incoterm (EXW, CIF, DDP). Typical payment terms: LC at sight or net 30 days after documentary proof for qualified buyers with credit approval.

• Lead time for samples: 500 mL or 5 L sample available within 5 business days (prepaid freight for first-time qualification).