Penetrant Testing – Water Washable Penetrant | Red 400ml MR311-R

Product Description:

MR® 311-R Penetrant Red – Visible Dye Penetrant for NDT
The MR® 311-R is a high-quality, visible red dye penetrant designed for Type II inspections with Sensitivity Level 2 in accordance with EN ISO 3452. Formulated for both water and solvent removal methods, it provides sharp, clear red indications of surface-breaking cracks and defects.

Suitable for all metals with excellent wetting properties, this penetrant is widely used in maintenance, manufacturing, and field inspection work. Its carrier medium glycol base ensures consistent coverage and reliable results.

Key Features:

• Type II Visible Dye Penetrant – Bright red crack indications for easy detection

• Dual Removal Methods – Water-washable or solvent-removable for flexibility

• Sensitivity Level 2 – Balanced for a wide range of applications

• Excellent Wetting Properties – Ensures full surface coverage on all metals

• Material Compatibility – For metals; suitability for plastics and ceramics must be verified before use

• Glycol-Based Carrier Medium – Stable, consistent performance

Approvals & Specifications:

• EN ISO 3452-2

• ASTM E165

• PMUC

• RCC-M

• ASME Code V, Art. 6

• VDA236-150

Shelf Life & Temperature Range:

Available Packaging:

• 500 mL aerosol

• 1 L can

• 5 L canister

• 200 L drum

Recommended Pairings:

• Pre-cleaners: MR® 79, MR® 85, MR® 88, MR® 3001, MR® 3002

• Removers: MR® 79, MR® 85, MR® 88, Water

• Developers: MR® 70, MR® 703 W (+5 °C)

• Test Blocks: Reference Testblock 1 & 2, ASTM Test Block