CRC Sp 400 Anti Rust Coating
1. GENERAL DESCRIPTION of CRC Sp 400 Anti Rust Coating
Long-term outdoor and indoor corrosion inhibitor.
CRC SP 400 is a long-term, outdoor and indoor corrosion inhibitor for machined surfaces and assemblies subjected to long periods of storage or adverse shipping conditions.The amber, dry, waxy film never becomes brittle and is highly resistant to humidity and severe corrosive atmospheres.
2. FEATURES of CRC Sp 400 Anti Rust Coating
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Long-term protection (up to 1 year outdoors) for all metals during shipment or extended storage
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Waxy film seals out moisture effectively
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Highly resistant to humidity and salt spray
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Can be removed or diluted, for film thickness variation, with petroleum solvents
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Aerosols use hydrocarbon propellant for controlled application and film thickness
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Specifications : meets Mil-C-16173, grade 4 NSN 8030-17-039-7214 USDA,class P1
3. APPLICATIONS CRC Sp 400 Anti Rust Coating
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Protection of finished components, in-process parts, in-transit goods, raw materials, structural steel.
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Effective corrosion shield for overseas shipments, winterising of farm machinery, outdoor storage.
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Protection of equipment, tools, dies, molds, jigs, pipes, shafts, housings, wire ropes, valves, gears.
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To be used for brine and chloride resistance in refrigeration plants.
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In paper and pulp plants.
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As a cable end sealer and pipe joint protector in utilities .
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Protection of air conditioning and electrical equipment in hospitals and educational institutions.
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In airport and aircraft maintenance and construction.
4. DIRECTIONS for Use of CRC Sp 400 Anti Rust Coating
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Shake aerosol can well before use. Stir or mix bulk product to break its paraffin structure before dipping or brushing applications.
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Mask area not to be treated. If necessary, remove by solvent cleaners (CRC Fast Dry Degreaser, CRC Industrial Degreaser,...).
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Film thickness may be adjusted by thinning with petroleum solvents, but corrosion resistance varies with film thickness (see typical properties).
For applications in wet or very humid conditions, CRC 3-36 should be applied first for complete moisture displacement. Allow then 2 to 4 hours for solvent evaporation before SP 400 is applied.
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When finished spraying, clean aerosol valve by turning can upside down and pressing actuator until only propellant escapes.
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Do not use on energised equipment. Use in well ventilated areas.
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A Safety data sheet (MSDS) according EU directive 93/112 is available for all CRC products.
5. TYPICAL(*) PRODUCT DATA (without propellant)
Appearance : amber, waxy
Specific gravity (@ 20C)
aerosol : 0.87
bulk : 0.92
Distillation range of solvents
aerosol : 50-230C
bulk : 160-230C
Flash point (closed cup)
aerosol : < 0C
bulk : 35C
Dynamic viscosity (@ 20C)
aerosol : 58,5 cPs
bulk : 200 to 700 mPa.s depending on paraffin structure
Freezing point
aerosol : - 30C
bulk : -12C
Coverage
spraying : 20 m2/L
dipping : 5 m2/L
Solvent dissipation (@ 20C, thin film) : 1-2 h.
Film properties (after evaporation of solvent)
Film appearance : dry, waxy
Film thickness : 10 - 50 m
Salt spray resistance (**) (ASTM B 117)
@ 10 m film thickness : 200 h.
@ 50 m film thickness : > 500 h.
Auto-ignition temperature : > 250C
Flow resistance (vertical) : > 80C
CRC AEROSOL, ELECTRICAL MAINTENANCE Spray.