Action Can FR-90 Freeze Release Penetrating Oil

Remove any dirt contamination prior to application. Brush or wipe away loose dirt and debris from the rusted fastener area—clean surfaces allow maximum FR-90 contact.

Inspect the seized fastener and surrounding area. Identify the exact location requiring treatment and plan application approach for maximum surface contact.

Shake the aerosol can before use. Mix the penetrating oil thoroughly to ensure uniform formulation distribution.

Rotate the 360° valve to desired spray angle. Adjust the nozzle to enable spray delivery at the angle required for your application.

Apply liberally at close proximity to the fastener. Hold the can 5–10 cm from the seized fastener and spray generously, saturating the entire rusted area.

Ensure complete saturation of the rust. Make sure the lubricant contacts and soaks into the rust layer, with visible wet coating on the corroded surface.

Allow two minutes for penetration and freeze shock. Let the lubricant sit undisturbed for the full two minutes—this allows the freeze-shock effect to crack the rust and penetration to begin.

Attempt fastener release after two minutes. Using appropriate tools (wrench, socket, etc.), attempt to loosen or release the fastener with moderate force.

Re-apply if first attempt is unsuccessful. If the fastener remains seized, apply additional FR-90 and allow another two-minute penetration period.

Repeat application cycles as necessary. For severely seized fasteners, multiple application-and-wait cycles may be required; each cycle allows additional penetration.

Apply steady, increasing force rather than shock. Once penetration time has elapsed, apply steady, gradually increasing force to avoid tool breakage—avoid sudden hammering or shock force.

Allow recently treated fasteners to rest briefly. If penetration effort has been extended, a short rest period allows further internal rust dissolution before renewed release attempts.

Product Type Thermal shock penetrating oil for seized fastener release

Format Aerosol spray canister

Container Size 500 mL

Appearance Amber liquid

Odour Typical mineral oil scent

Specific Gravity at 20°C 0.75

Flash Point <0°C (Tag closed cup)

Temperature Drop Effect Surface cooling to -40°C

Horizontal Spread 19 cm² after 120 seconds @ 20°C

Primary Function Seized fastener and rust release

Secondary Functions Corrosion penetration, rust bond dissolution

Application Method Aerosol spray with 360° rotatable valve

Valve Design 360° multi-angle nozzle for any-orientation application

Spray Distance 5–10 cm for optimal saturation

Penetration Time 2 minutes dwell before release attempt

Thermal Action Freeze shock creates micro-cracks in rust adhesion

Mechanism Extreme temperature drop stresses oxide layer, breaking molecular bonds

Lubricant Type Light penetrating oil with thermal shock additive

Viscosity Formulated for rapid penetration through micro-cracks

Metal Compatibility Safe on all metal surfaces including steel, stainless, brass, copper

Coating Compatibility Safe on most plastics, paint, and rubber coatings

Silicone Content Silicone-free formulation

Fastener Targets Bolts, nuts, valves, heating pumps, immersion heaters, fused assemblies, corroded mechanical parts

Cold-Weather Performance Effective regardless of ambient temperature; delivers freeze shock even in arctic conditions

Reapplication Multiple cycles recommended for severely seized fasteners

Application Requirement Allow 2 minutes penetration time between applications

Release Technique Steady, gradually increasing force rather than shock or hammering

Storage Temperature Normal ambient; below 50°C for aerosols

Shelf Life Minimum 6 years with proper storage

Market Sectors Fasteners & fixings, engineering, trade/pro-DIY, agriculture

HS Code 2710.19

• Technical Data Sheet
• Safety Data Sheet