RENIA – Leather Stretcher – Instant Softening & Shaping Fluid
Renia Leather Stretcher is a specialized professional softening solution formulated in Germany by Renia GmbH. It is engineered to instantly penetrate natural leather fibres, relaxing the cell structure to allow effortless stretching, contour shaping, and the complete elimination of pinch points and pressure marks.
Designed for automotive trimmers, master shoemakers, and leather artisans, it works immediately upon application without staining, discolouring, or leaving residual marks on the leather surface.
Key Highlights & Advantages:
- Instant Action: Rapidly softens dense and stiff leather fibres within seconds of contact, allowing immediate stretching and tension moulding.
- Removes Pressure Marks: Smooths out tension creases, wrinkles, and tight pressure marks across leather panels and footwear uppers.
- Safe for Fine Leathers: Dries completely clear without altering natural leather grain, colour fastness, or breathable properties.
- Dual Application Methods: Can be applied directly with a standard paintbrush or atomized evenly using a manual spray bottle.
- Permanent Shape Retention: Once shaped or stretched to the desired form, the leather permanently retains its new contour as the fluid dries.
- Non-Greasy & Residue-Free: Leaves no oily residue or stickiness, allowing immediate stitching, gluing, or finishing.
Recommended Uses & Applications:
- Automotive Trimming & Upholstery: Easing stiff automotive leather around tight seat bolsters, dashboard contours, door card recesses, and hand-stitched steering wheel wraps.
- Footwear & Orthopaedics: Widening tight shoes, stretching toe boxes and insteps, easing stiff heel counters, and eliminating localized pinch points.
- Leathercraft & Saddlery: Wet-forming, moulding thick vegetable-tanned or chrome-tanned leather around wooden/plastic forms, and softening tight belt loops or holster corners.
- Restoration: Relaxing hardened, dry leather panels prior to conditioning and re-dyeing.
Usage & Application Guide:
1. Preparation: Ensure the leather surface is clean and free of heavy wax coatings.
2. Application:
• Apply Renia Leather Stretcher generously to the tight area on the inside (flesh side) or outside (grain side) using a brush or spray bottle.
• For thick or stubborn leathers, apply to both sides for deeper penetration.
3. Stretching & Shaping:
• Immediately stretch, mould, or fit the leather over the frame, last, seat bolster, or steering wheel while the material is still moist.
• For footwear, insert a shoe stretcher or wear the shoe immediately after application until dry.
4. Drying: Allow the leather to dry naturally at room temperature. The expanded shape will remain permanently set.
Technical Data:
- Function: Professional Leather Softening & Stretching Agent
- Application: Brush or Spray Bottle
- Appearance: Clear, transparent liquid
- Compatibility: Natural smooth leathers, suede, nubuck, chrome-tanned & vegetable-tanned leathers
- Packaging: 1 Litre Bottle (1000 ml)
- Shelf Life: Minimum 36 months stored at 10–25°C in original sealed container
PRECAUTIONS & SAFETY:
FOR PROFESSIONAL USE ONLY. Flammable liquid and vapour. Use only in well-ventilated areas or under forced extraction. Keep away from heat, hot surfaces, sparks, open flames, and ignition sources. Avoid inhalation of vapours and contact with skin/eyes. Consult Safety Data Sheet (SDS) at ……. before use.
FOR PROFESSIONAL USE ONLY. Flammable liquid and vapour. Use only in well-ventilated areas or under forced extraction. Keep away from heat, hot surfaces, sparks, open flames, and ignition sources. Avoid inhalation of vapours and contact with skin/eyes. Consult Safety Data Sheet (SDS) at ……. before use.







