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Archem PRs Grade 2500S Uncoated

Archem PRs Grade 2500S Uncoated is an uncoated, starch based anti set off powder, designed to prevent Ink set off in the stack when printing on 250gsm to 400gsm substrates. The quoted stock gsm range for this specific grade is intended as a guide only. The correct micron size to use will be determined by other factors such as type of paper, weight of ink film etc. Non-absorbent substrates may require a larger micron spray powder. Ideal for Multi pass work or where follow on trades such as lamination, foil blocking or UV varnishing are being used.

Compatible Substrates & Surfaces: Paper

Features: Biodegradable, Excellent Flow Properties, High Dust Control, High Speed Printing, Low Wear

Application Method: Spray

Chemical Family: Starches

Technical Data Sheet
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Knowde Enhanced TDS

Identification & Functionality

Chemical Family

Features & Benefits

Product Benefits
  • Uncoated (non-hydrophobic) spray powder excellent for multi pass work & following trades.
  • Narrow particle range.
  • Uniform spray pattern.
  • Reduced Plate wear and piling on the Printing Blankets.
  • Cost effective and economical.
  • Highly controllable flow rate.
  • Biodegradable.

Applications & Uses

Application Method
Compatible Substrates & Surfaces
Directions for Use

Suitable for all Sheetfed lithographic printing - single pass, multiple pass work and in conjunction with Water based Coatings. Always apply the minimum amount of spray powder required to prevent set off. Archem PRS anti-set off spray powders are developed for use in all types of spray powder applicators. Should be stored at room temperature in dry conditions, containers should be resealed after use to prevent the powder becoming damp or contaminated.

Properties

Physical Form
Appearance
Dry white powder
Typical Properties
ValueUnitsTest Method / Conditions
Average granule diameter25.0μ (microns)-
Hydrophobic characteristicsNegative (non-hydrophobic)--
Materials contentVegetable starch--
Moisture11 - 14%-
Spray and Flow rateGood--

Regulatory & Compliance

Certifications & Compliance

Packaging & Availability

Packaging

1kg 2.5kg 3kg 20kg