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Industrial Chemicals · Secondary PVA

KURARAY POVAL L-11

Secondary (low-hydrolysis) polyvinyl alcohol for PVC suspension polymerization. Used in combination with a primary PVA to control particle porosity, plasticiser uptake, and bulk density of the finished resin. Viscosity 5.5–7.5 cps (4% aqueous, 20 °C), ash ≤ 0.5 wt%. KURARAY POVAL brand, Japan origin.

Chemistry
Secondary (low-hydrolysis) polyvinyl alcohol
Viscosity
5.5–7.5 cps (4% aqueous solution at 20 °C)
Ash Content
≤ 0.5 wt%
pH (4% aq.)
5–7
Function
Secondary PVA — controls PVC particle internal porosity and plasticiser absorption
Application
Paired with KH-17 (primary PVA) for PVC-S resin grades S65 / S70 / S1000
Packaging
20 kg / 25 kg multi-wall paper sacks · 20 FCL available
Origin
Kuraray Co., Ltd. (POVAL brand), Japan — ISO 9001
Japan originISO 9001Secondary PVACOA included
Submit RFQ →Discuss Compliance Requirements
Engineering Detail

Dial in PVC porosity and plasticiser uptake.

POVAL L-11 is a low-hydrolysis secondary PVA. Blended with a primary suspending agent like GOHSENOL KH-17, L-11 influences the internal structure of the growing PVC particle — creating the porous network that determines how readily the finished resin absorbs plasticiser during compounding. Getting the primary/secondary PVA ratio right is the difference between a compound-grade and a film-grade resin. We'll share ratio recommendations based on your target grade.

Low-hydrolysis PVA

Designed to function as a secondary agent — tunes internal porosity without destabilising the main VCM droplet.

Kuraray consistency

Tight viscosity and ash control batch-to-batch, critical for predictable PSD and plasticiser absorption.

Pairs with KH-17

Standard combination for Middle-Eastern and European PVC-S producers targeting S65 / S70 grades.

Full documentation

COA per lot, MSDS in EN/CN/AR, and blend ratio guidance from our technical team.

Related Products
GOHSENOL KH-17 Alcotex 552p Catalyst H / C / E / F / G INTEROX LP All Sourcing Examples →
Compliance & Documentation

Documentation that clears customs and survives audit.

Chemical shipments require more paperwork than steel or equipment. We supply the full file with every formal quote — verified against current export and destination-country regulations before payment release.

Identification
CAS no., HS code, and UN no. (where applicable) supplied with formal quote, matched to your destination tariff schedule.
Safety & Quality
MSDS / SDS in EN/CN/AR, GHS classification, and COA per lot issued before shipment. REACH status confirmed where the destination requires it.
Export & Origin
CO Form A/E, packing list, B/L, and commercial invoice issued under our active Hong Kong import & export licence. Country-of-origin verifiable against factory registration.
Destination Permits
Many chemicals require an import permit in the destination country (Saudi SFDA, UAE MOCCAE, Iran MIMT, etc.). We confirm requirements before booking and flag long-lead approvals up front.

Documentation requirements vary by HS code, destination, and end-use. The list above is the standard package; project-specific certifications (e.g. food-grade, pharma-grade, halal, kosher) are quoted on request.

Need POVAL L-11 pricing?

Share your monthly PVC tonnage and destination port. We'll come back with CIF pricing and trial-lot availability.

Submit RFQ → Email Sales