Konjac glucomannan powder (KGM) is the purified fibre extracted from the konjac corm, sold in graded purity levels for use as a thickener, gelling agent and functional ingredient. Konjac Bio Limited sources KGM 80%, 90% and 95% grades from vetted producing factories in Yunnan, Hubei, Sichuan, Guizhou and Shaanxi and exports in bulk from Shanghai. This page covers the specification, packaging and how to request a sample.
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Konjac Glucomannan Powder — Bulk Supplier, KGM 80/90/95%
Konjac glucomannan powder, KGM 80/90/95% grades, from Konjac Bio Limited, Shanghai. MOQ 500 kg, COA per lot, sourced from vetted China producers.
Grades and formats
What we can source
| Grade / format | Typical specification | Typical use |
|---|---|---|
| KGM 80% | Glucomannan content 80% per producer spec sheet; general-purpose viscosity and mesh | General thickening, bakery, animal feed additive blends |
| KGM 90% | Glucomannan content 90% per producer spec sheet; higher viscosity, finer mesh available | Functional beverages, supplement capsules and tablets, thickening systems |
| KGM 95% | Glucomannan content 95% per producer spec sheet; highest viscosity grade offered | Supplement capsules/tablets, premium beverage and cosmetic formulations |
Specification
Typical specification
Typical ranges from the producers we work with. Every value is confirmed per lot on the producing factory's specification sheet and COA before a proforma invoice is issued.
| Parameter | Typical | Note |
|---|---|---|
| Glucomannan (KGM) content | 80% / 90% / 95% by grade | per producer spec sheet, confirm per lot |
| Viscosity (1% solution, 25°C) | 25,000-36,000 mPa·s, higher for higher-KGM grades | per producer spec sheet, confirm per lot |
| Particle size | 80 mesh (100% pass) or 120 mesh (95% pass); 40-140 mesh options available | per producer spec sheet, confirm per lot |
| Moisture | ≤ 10% | per producer spec sheet, confirm per lot |
| pH (1% solution) | 5.0-7.0 | per producer spec sheet, confirm per lot |
| Sulphite (SO2) | Per producer COA | per producer spec sheet, confirm per lot |
| Ash | ≤ 3% | per producer spec sheet, confirm per lot |
| Protein (N x 5.7) | ≤ 3% | EU specification (Reg. 231/2012) |
| Heavy metals | Lead ≤ 2 mg/kg, arsenic ≤ 3 mg/kg; mercury and cadmium per producer COA | EU specification (Reg. 231/2012) |
| Microbiology | Total plate count ≤ 1,000 cfu/g; yeast and mould ≤ 100 cfu/g; E. coli negative in 5 g; Salmonella absent in 12.5 g | EU specification (Reg. 231/2012) |
| Appearance | White to cream / light tan free-flowing powder | per producer spec sheet, confirm per lot |
| Shelf life | 24 months | per producer spec sheet, confirm per lot |
Commercial terms
MOQ, packaging, lead time
Typical terms, confirmed per order on the proforma invoice.
| MOQ | 500 kg; mixed grades on request |
| Packaging | 25 kg kraft paper bag or drum, inner PE liner |
| Lead time | Confirmed on the proforma invoice |
| Incoterms | FOB Shanghai or CIF destination port standard; EXW and DAP on request |
| Samples | Small samples available; buyer pays courier |
| Payment | T/T; terms stated on the proforma invoice |
| Shelf life | 24 months, dry, sealed |
| Documents | Specification sheet, COA (producing factory), packing list, commercial invoice |
No. 01
Applications
Konjac glucomannan powder is used across several buyer categories, matched to the grade purity requested:
- Supplement capsules and tablets (higher-purity grades, KGM 90% and 95%)
- Functional beverages as a thickening and texturising agent
- Noodle and rice production, typically with the KGM 80% grade
- Bakery and gluten-free formulations
- Thickener in sauces and dressings
- Pet food formulations
- Cosmetics raw material for viscosity-building formulations
See the konjac flour and konjac gum E425 product pages for related ingredient forms, or the konjac wholesale page for the full catalogue.
No. 02
How we source it
Konjac Bio Limited is a sourcing and trading company; we do not operate a factory. We source konjac glucomannan powder from vetted producing factories in China's konjac-growing regions, including Yunnan, Hubei, Sichuan, Guizhou and Shaanxi. Each order is matched to a producing factory with the capacity and grade specification the buyer needs, and confirmed with a specification sheet before production.
No. 03
Packaging, MOQ and lead time
Standard packaging is 25 kg kraft paper bags or drums with an inner PE liner. Minimum order quantity is 500 kg; mixed-grade orders under one shipment can be arranged on request. Lead time is confirmed on the proforma invoice (PI), depending on grade and volume. Export is arranged FOB Shanghai or CIF to the destination port as standard; EXW and DAP terms are available on request.
No. 04
Quality documents and testing
Each shipment is supplied with a specification sheet, a Certificate of Analysis (COA) issued by the producing factory, a packing list and a commercial invoice. Certificates for each lot are available on request from the producing factory; confirm which certificates you need before placing a PI.
No. 05
Samples and how to order
Small samples are available for testing; the buyer pays the courier cost. The typical process is: inquiry, spec confirmation, sample, proforma invoice (PI), production and consolidation, pre-shipment documents, then export. Payment is by T/T, with terms stated on the proforma invoice. Use the quote form on this page or email hello@konjac.bio to start an inquiry.
Q&A
Frequently asked questions
01 What KGM grades do you supply?
We supply konjac glucomannan powder in three purified grades: KGM 80%, 90% and 95%. Glucomannan content follows the producer spec sheet for each grade and is confirmed per lot on the Certificate of Analysis.
02 What is the minimum order quantity?
The MOQ is 500 kg. Mixed-grade orders within one shipment can be arranged on request; contact us with your target volume.
03 Can I get a sample before ordering?
Yes. Small samples of powder are available for testing, and the buyer pays the courier cost.
04 Can you provide factory certificates for our market?
Konjac Bio Limited is a sourcing and trading company and does not hold certificates directly. Certificates for each lot are available on request from the producing factory; confirm your requirement before the proforma invoice.
05 What documents come with each shipment?
Each order includes a specification sheet, a Certificate of Analysis (COA) issued by the producing factory, a packing list and a commercial invoice.
06 What are the export terms?
Standard terms are FOB Shanghai or CIF to your destination port. EXW and DAP are available on request. Payment is by T/T, with terms stated on the proforma invoice.
Related
Request a quote
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Tell us the grade, volume and destination port and we will confirm a specification sheet and lead time.