Commercial · PVA 1799
Published 2026 · Ningxia Dadi PVA technical desk
If you need Landy PVA 1799 TDS MSDS COA before placing an order, this page tells you exactly what we send and what is inside.
Landy PVA 1799 is a 99 mol% hydrolysis grade. The sections below cover the commercial detail buyers actually ask about before they order.
| Brand | Landy (export brand: Ningxia Landy) |
|---|---|
| Grade / Model | 1799 |
| Product | Polyvinyl Alcohol (PVA) |
| Degree of hydrolysis | 99 mol% |
| Avg. polymerization (DP) | 1700 |
| Viscosity (4% aq., 20C) | grade-specific (see TDS) mPa.s |
| Solubility | fully hydrolyzed |
| China-market code | - |
| CAS / HS code | 9002-89-5 / 39053000 |
| Appearance | white flake, granule or powder |
| Purity | ≥93.0% (grade dependent) |
| pH (4% sol.) | 5-7 |
Documents we provide
Every Ningxia Landy 1799 inquiry gets EN TDS (technical data sheet), MSDS (safety) and COA (certificate of analysis for the specific lot) at no charge.
What the TDS covers
Hydrolysis 99 mol%, viscosity (4% aq., 20C), volatiles, ash, pH, purity, solubility (fully hydrolyzed), appearance, packing. Essentially the spec table on this page, in formal format.
What the COA proves
The COA is lot-specific: it records the actual test values from the retained sample, not a generic range. That is what your QC will check against.
From the floor
A Middle-East adhesive maker clears incoming QC in under a day because our COA numbers match their spec windows batch after batch.
FAQ
Is the COA per lot or generic?
Per-lot, pulled from the retained sample for that specific batch.
Are the documents in English?
Yes — EN TDS/MSDS/COA as standard; other languages on request.
Quality & documents (trust signals)
Every lot tested on Shimadzu GC-2014C / Agilent AOC-20 GC and Brookfield DV2T viscometer; batch sample kept to expiry. EN TDS, MSDS, COA provided. REACH and ISO 9001 status available on request [verify against current certificate].
Packaging, MOQ & lead time
25 kg PP woven bag (inner PE); jumbo bag on request. MOQ from 1 MT for stock grades, 16 MT for full container; lead time 7-15 days ex-works Ningxia. Incoterms FOB/CFR/CIF; payment T/T or L/C.
About the supplier
Ningxia Dadi Circulation Development Co., Ltd. (PVA branch since 2009; Phase I 50,000 t + Phase II 80,000 t; ~585 staff; ABB robotic palletizing; Shimadzu GC-2014C + Agilent AOC-20 gas chromatographs + Brookfield DV2T viscometer for QC; named a national first-batch green manufacturing demonstration enterprise in 2017; calcium-carbide to VAM to PVA circular chain.
Written by Li Wei, Senior Technical Sales Engineer, Polyvinyl Alcohol Division — Ningxia Dadi Circulation Development Co., Ltd. - 9 years placing PVA grades with textile, adhesive and construction compounders across Southeast Asia, the Middle East and South America. Replies to most inquiries within one business day.
Get a quote / sample / documents
Send grade 1799, quantity, destination port and incoterm and we return a firm quote, free 500 g sample and EN TDS/MSDS/COA the same business day.
