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Test Materials
Frequently asked questions about James Heal's range of pre-prepared test materials.
Martindale Test Materials
Cotton Lawn / Crocking Cloth
Photographic Standards
Detergents
- Why do detergents not contain TAED and sodium perborate?
- Which detergents contain phosphates?
- Which detergents are free from Optical Brightening Agents (OBA)?
- What is the shelf life for standard soaps and reference detergents?
- Which detergents contain OBA, phosphates or enzymes?
- Do you supply detergents for ISO 15797 and ISO 105-C12
- Are James Heal Reference Detergents Biodegradable?
- How much detergent should be used with a Type A washing machine according to ISO 6330?
- Why are TAED and Sodium Perborate not listed on the Detergent Material Safety Data Sheets?
Certificates of Conformity
MultiFibre
Blue Wool References
Grey Scales
Makeweights
Verification
- Is there a verification fabric for wet rubbing for ISO 105 X12?
- Why are two bursting ranges quoted on TruBurst verification foils?
- Why is there a verification fabric for AATCC wet and dry rubbing, but dry rubbing only for ISO 105-X12?
- Are TruBurst verification foils suitable for ISO and ASTM methods?
- What are TruBurst verification foils used for?