"More thicker fluoropolymer film..."
―― the wish comes out as "Richil lining."

Richil lining is a revolutionary "bake type thick film fluoropolymer lining" with 1 to 3mm film thickness as standard. It realizes adhesion to substrate and seamless film, which is not available with sheet lining and provide infinite usages and possibilities. If safety is your priority, choose "Richil lining"-this is Nippon Fusso's recommendation.

Thick film lining realized through 3D rotational baking.

With electrostatic powder coating, each thin spraying of 50μm (approx.) is layered to form approx 0.6mm thickness. On the other hand, with Richil lining, 1 to 3mm thickness can be achieved with just a few phases of baking.
The secret lies in rotational baking process, and the application of special slurry spraying. Fluoropolymer material is tossed to inside of equipment (for example, tanks), and the equipment is then baked in oven while being rotated three dimensionally. This can achieve thick film lining without having to repeat much thermal history.

Applicable under negative pressure conditions

This bake type lining strongly adheres to metal substrate. No special requirement (vent hole) is needed. Applicable under full vacuum condition.

No seam in the film

While baking, fluoropolymer is melt to form seamless film inside equipment. No trouble of polymer welding at seam nor residue liquid at seam.

Compatible with complex shapes

Like with electrostatic powder coating, the method of spraying powder material onto equipment is limited by its shape. Richil lining can be applied to complex shapes which glass lining and electrostatic powder coating are not able to handle. Piping, for example. Reducing the number of pieces also reduces the number of flanges, making maintenance easier.

Large number of flanges Glass lining and loose lining

Richil lining requires less flange numbers

With Richil lining, every opening of equipment is covered with jig and set in a double axis rotational oven to create film by melting fluoropolymer by three dimensional rotational baking. The maximum size of application fits within φ3,200 sphere and up to 2 ton weight.

When fluoropolymer is applied as a thick film, this can cause the problem of "shrinkage → peel-off." Therefore, multilayer film structure is applied to reduce shrinkage of film when special adhesion is required or high temperature use that is likely to have thermal shrinkage. By putting filler in lower layer to reduce shrinkage coefficient and to disperse shrinking energy which is concentrated at boundary with substrate, releasing force from substrate is reduced.

Main purpose / grade

Main materials

Maximum operation temperature

Color/Tone

Standard film thickness

General property compparison

Note

Non-stick

Low friction

Abrasion resistance

Insulation

Anti-electrostatic charge

Anti-corrosion

Super thick film anti-corrosion

NF-014H

ETFE

180℃

Black

1.0mm

△

△

◎◎

×

×

◎◎

NF-014 thick film version

NF-715

ETFE

180℃

White

2.0mm

△

△

◎◎

◎

×

◎◎

Super thick film anti-corrosion specification

NF-716

ETFE

180℃

White

2.0mm

△

△

◎◎

◎

×

◎◎

Super thick film specification against heat cycles

NF-740

Composite

200℃

Dark brown

1.5mm

◎

○

◎

◎

×

◎◎

Super thick film specification with excellent permeation resistance

NF-750

Composite

260℃

Black

1.5mm

◎

○

◎

◎

×

◎◎

Super thick film specification with excellent permeation resistance

Super thick film anti-electrostatic

NF-715EC

ETFE

180℃

Light gray

2.0mm

△

△

◎

×

◎◎

◎◎

Super thick film specification for anti-corrosion and anti-electrostatic

Super thick film high purity

NF-715EL

ETFE

180℃

White

2.0mm

○

△

◎◎

◎

×

◎◎

Metal elution countermeasure + super thick film specification