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Archem PRs Grade 2500R Coated

Archem PRs Grade 2500R Coated is a starch based anti set off powder, designed for today’s high speed modern Presses to prevent Ink set off in the stack when printing on 250gsm to 450gsm substrates. The quoted stock gsm range for this specific grade is intended as a guide only. The correct micron size to use will also depend on other factors such as type of paper, weight of ink film etc. Non-absorbent substrates may require a larger micron spray powder.

Compatible Substrates & Surfaces: Paper

Features: Biodegradable, Excellent Flow Properties, High Dust Control, High Speed Printing, Hydrophobic, 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
  • Coated (hydrophobic) moisture resistant spray powder.
  • Narrow particle range
  • Reduced Plate wear and piling on the Printing Blankets.
  • Designed for use on Straight through or Long Perfect Presses.
  • Uniform spray pattern.
  • Highly controllable flow rate giving reduced machine settings.
  • 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 characteristicsPositive (hydrophobic)--
Materials contentVegetable starch--
Moisture11 - 14%-
Spray and Flow rateGood--

Regulatory & Compliance

Certifications & Compliance

Packaging & Availability

Packaging

1kg 2.5kg 3kg 20kg