Plan a trial for your application
Cold-process thickening
Take timed samples between feeding and filling to verify whether hydration finishes within the actual process window.
Short-cycle mixing
Measure viscosity at intervals during the available mixing time. Record sieve residue and compare particle grades.
Purchase specifications and incoming inspection
Include the intended grade or current specification in the enquiry. Use the table to compare selection criteria and inspection conditions. The specification agreed by both parties defines the contractual limits. ENVO product listing · Name and catalogue reference ↗
| Property | Unit | Published or agreed specification | Test conditions and checks |
|---|---|---|---|
| Hydration time | min | Agree against the production cycle time. | Use the same powder-to-water ratio, temperature and shear, and use the target viscosity as the endpoint. |
| Viscosity under specified conditions | mPa·s | Request the grade-specific range | Fix solution concentration, temperature, hydration time, instrument and rotational speed. |
| Particle size distribution | µm or % sieve residue | Specify for the feed system | State sieve opening and percentage passing. For fine or agglomerated material, specify dispersion and sieving procedures. |
When approving a sample, record the grade, methods, limits and specification revision. On receipt, match the packing lot number to the lot-specific COA and record the measured values and release decision.
From samples to commercial delivery
Packaging and receiving
Request photographs of the proposed inner bag or container, unit weight and closure. Match the lot on the inner and outer packs.
Storage and handling
On receipt record particle size, caking and closure. Seal a retained sample for hydration comparisons.
Sample and order lead times
State food category, sales market, pilot quantity and required arrival date. Confirm MOQ, batch documents, availability and remaining shelf life separately for samples and commercial orders.
Questions from the plant
Why does guar reach the final viscosity but fail to hydrate in time on the line?
Sample between powder addition and filling to establish whether hydration finishes within the available process time.
Are coarse particles or surface lumps preventing dispersion?
Open the sieve residue and check for a dry core. Compare wetting time and final viscosity for premixed and directly added samples.
Report a delivery or batch issue
Include the order number, lot number from the package, label photos and inspection records for the affected lot. When retesting, check hydration rate, viscosity measurement time, Particle size.
Request documents for your application
TDS · Technical data sheet
For grade selection and sample approval, specify the grade and revision required.
SDS · Safety data sheet
Specify the country or region of use and the required language.
COA · Certificate of analysis
Request a sample COA during supplier review. For incoming inspection, provide the actual lot number.