Commercial · PVA 1788
Published 2026 · Ningxia Dadi PVA technical desk
You searched Dadi PVA 088-20 manufacturer; this is the plant behind the bag, with the numbers that matter for your QC.
Dadi PVA 088-20 is a 88 mol% hydrolysis grade. The sections below cover the commercial detail buyers actually ask about before they order.
| Brand | Dadi (export brand: Ningxia Dadi) |
|---|---|
| Grade / Model | 088-20 |
| Product | Polyvinyl Alcohol (PVA) |
| Degree of hydrolysis | 88 mol% |
| Avg. polymerization (DP) | by viscosity band (export code) |
| Viscosity (4% aq., 20C) | 20.5-24.5 mPa.s |
| Solubility | partially hydrolyzed |
| China-market code | 1788 |
| CAS / HS code | 9002-89-5 / 39053000 |
| Appearance | white flake, granule or powder |
| Purity | ≥93.0% (grade dependent) |
| pH (4% sol.) | 5-7 |
Traceability
Each lot is sampled and kept to expiry; if a customer finds an issue we pull the same retained sample and the production record. That is the part traders cannot offer.
QC bench
Every lot is checked on Shimadzu GC-2014C and Agilent AOC-20 gas chromatographs for volatiles/purity and a Brookfield DV2T viscometer for viscosity. Results travel with the COA.
From the floor
A PVB customer audited our ash control on PVB-grade and signed an annual frame after seeing the retained-sample system.
Capacity and grade range
We make the full PVA range — 88 and 99 series, polymerization 300–3000, hydrolysis 75–100 mol%. 088-20 (88% hydrolysis) is a standard, steady line, not a one-off.
FAQ
Do you provide a factory audit?
Yes, virtual or on-site at the Ningxia plant by arrangement.
What is your monthly output of 088-20?
Part of a 130,000 t/yr nameplate across grades; 088-20 runs on a steady campaign schedule.
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 088-20, quantity, destination port and incoterm and we return a firm quote, free 500 g sample and EN TDS/MSDS/COA the same business day.
