Leather Casein Additive

$29.10

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$29.10

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LEATHER CASEIN ADDITIVE — LETECH EXPERT LINE

 

Polyurethane-modified casein additive designed to improve elasticity, adhesion and durability in leather finishing systems. Ideal for footwear, apparel and leather goods.

 


 

Signature Advantages

 

Enhanced elasticity and flexibility — maintains natural leather movement without cracking

Improved adhesion — strengthens bonding within finishing systems for longer-lasting results

High wear and abrasion resistance — supports heavy-use leather applications

Moisture- and chemical-resistant film that outperforms traditional casein coatings

Breathable dispersion layer that supports vapor exchange and prevents over-sealing

Stable, uniform film formation for cleaner visual blending and improved surface quality

 


 

Created for Professionals

 

• Footwear finishing and leather apparel production

• Leather goods manufacturing and accessory finishing

• Restoration studios working with premium leather surfaces

• Workshops requiring durable, breathable finishing solutions at scale

 


 

Compatible Leather Types

 

Suitable for finished and pigmented leather, as well as coated PU/artificial leather surfaces.

Not suitable for suede or nubuck. Always perform a patch test on an inconspicuous area.

 


 

Refined Result

 

A resilient, well-formed, breathable finishing film that adds strength, adhesion and resistance to coatings while preserving the natural aesthetic and tactile properties of the leather.

 


 

Application Notes

 

Use as an additive in finishing or top-coat systems.

Mix thoroughly before application. Apply using standard spray or finishing equipment according to your coating workflow.

Allow proper curing time for best performance.

Always follow manufacturer instructions and test product suitability prior to full-scale use.

Application of Leather Casein Additive in Leather Finishing Systems

1. Preparation

• Shake or mix the additive thoroughly before use

• Ensure the surface is clean and free from oils, silicones or contaminants

• Always perform a small spot test on an inconspicuous area

2. Mixing Ratio

For most finishing systems:

• Add 10–15% Leather Casein Additive to the total volume of Leather Top Coat

• Add 5–10% Cross-Linker X to increase chemical and mechanical resistance

• Adjust viscosity using Leather Thickening Agent if required

3. Application Method

• Apply only in the final finishing stage after recoloring and repairs

• Spray using an airbrush or spray gun for best uniformity

• Avoid over-application — excessive film thickness may alter color tone or increase stiffness

4. Drying and Curing

• Initial drying: 2–3 hours depending on temperature and humidity

• Full curing: 8–12 hours for complete cross-linking and moisture resistance

• Do not expose the leather to cleaning agents during the first 7 days

5. Recommended Use Cases

• Leather footwear and apparel

• Leather goods and accessories

• Professional restoration projects requiring breathable, durable finishes

(Not suitable for suede or nubuck.)

6. Compatibility

The additive is part of the LeTech Expert Line finishing system and works perfectly with:

• Leather Top Coat (all gloss levels)

• Leather Slip Additive

• Leather Wax-Effect Additive

• X-Guard Additive

• Leather Thickening Agent

LeTech Academy (LeCademy+) provides full training support for professionals using advanced finishing systems.

Hable sobre sus productos

Leather Casein Additive — Expert Line

Exceptional adhesion to leather fibers — casein is naturally compatible with collagen, ensuring strong, long-lasting bonding

Stable, breathable dispersion film that improves vapor, moisture and air exchange without sealing the leather

High flexibility and elasticity — prevents cracking and preserves natural movement of the leather

Superior wear, friction and abrasion resistance for heavy-duty applications

Excellent resistance to water, sweat and aggressive environments after curing

UV-stable performance — prevents color shift and protects against external factors

Improved finish quality — supports polishing, buffing and gloss control

Environmentally safe composition — compliant with modern leather finishing standards

Los pedidos se envían desde nuestro centro de distribución en California. Realizamos envíos a todo Estados Unidos, así como a Canadá y México.

Instrucciones — Cómo funciona la entrega
  1. Realice su pedido en {{ shop.name }} y complete el pago en la caja.
  2. Tiempo de procesamiento: 1-2 días hábiles después de la confirmación del pago.
  3. Opciones de envío: Estándar (3 a 7 días hábiles) o Express (1 a 3 días hábiles).
  4. Seguimiento: recibirás un correo electrónico de seguimiento tan pronto como se envíe tu paquete.
  5. Entrega: es posible que se requiera firma para pedidos de alto valor a discreción del transportista.

Consejo: Por favor, proporcione una dirección de entrega completa y segura. No nos responsabilizamos por retrasos del transportista, errores en la dirección ni condiciones climáticas adversas.

Política de envíos

Desde: California, EE. UU. · A: 50 estados de EE. UU. (incluidos Alaska, Hawái, Puerto Rico), Canadá y México.

Transportistas: USPS, UPS, FedEx, DHL (y socios regionales seleccionados).

  • Procesamiento: 1-2 días hábiles después del pago.
  • Estándar: 3–7 días hábiles · Express: 1–3 días hábiles.
  • Seguimiento: se enviará un correo electrónico cuando se envíe su pedido.
  • Internacional (CA/MX): los tiempos de tránsito y costos varían; cualquier derecho de aduana o impuesto lo paga el destinatario.
Política de devoluciones y reembolsos
  • Ventana de devolución: dentro de los 14 días naturales desde la entrega.
  • Condición: los artículos deben estar sin usar, sin abrir y en su embalaje original .
  • Los productos químicos abiertos o usados ​​no son elegibles para devolución debido a regulaciones de seguridad e higiene.
  • Sin cambios: actualmente no ofrecemos cambios de productos.
  • Envío de devolución: pagado por el cliente (utilice un método rastreable).
  • Plazo de reembolso: hasta 30 días después de la inspección, al método de pago original.

Si su pedido llega dañado o incorrecto , contáctenos dentro de las 48 horas a support@letech.us con fotos y su número de pedido. Gestionaremos un reemplazo o un reembolso completo sin costo alguno.

Pago y facturación
  • Métodos aceptados: Visa, MasterCard, American Express, Discover, PayPal, Apple Pay, Google Pay, Shop Pay.
  • Seguridad: los pagos se procesan a través de pasarelas compatibles con PCI-DSS; no almacenamos los detalles completos de la tarjeta.
  • Impuestos: calculados al finalizar la compra según las leyes estatales y locales aplicables.
  • COD (Pago contra reembolso): no disponible.
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Preguntas sobre envíos, devoluciones o pagos: estamos aquí para ayudarte.

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LeTech care & restoration logo with orange and black text
Logo of Craft Line with a工人 holding tools on a white background
Logo with 'EXPERT LINE' text in black and orange on a white background
Logo of Bag & Shoes spa with a stylized bag and shoes figure on a white background.
Logo of Le Meilleur on a white background
LeTech care & restoration logo with orange and black text
Logo of Craft Line with a工人 holding tools on a white background
Logo with 'EXPERT LINE' text in black and orange on a white background
Logo of Bag & Shoes spa with a stylized bag and shoes figure on a white background.
Logo of Le Meilleur on a white background
LeTech care & restoration logo with orange and black text
Logo of Craft Line with a工人 holding tools on a white background
Logo with 'EXPERT LINE' text in black and orange on a white background
Logo of Bag & Shoes spa with a stylized bag and shoes figure on a white background.
Logo of Le Meilleur on a white background
LeTech care & restoration logo with orange and black text
Logo of Craft Line with a工人 holding tools on a white background
Logo with 'EXPERT LINE' text in black and orange on a white background
Logo of Bag & Shoes spa with a stylized bag and shoes figure on a white background.
Logo of Le Meilleur on a white background
LeTech care & restoration logo with orange and black text
Logo of Craft Line with a工人 holding tools on a white background
Logo with 'EXPERT LINE' text in black and orange on a white background
Logo of Bag & Shoes spa with a stylized bag and shoes figure on a white background.
Logo of Le Meilleur on a white background
LeTech care & restoration logo with orange and black text
Logo of Craft Line with a工人 holding tools on a white background
Logo with 'EXPERT LINE' text in black and orange on a white background
Logo of Bag & Shoes spa with a stylized bag and shoes figure on a white background.
Logo of Le Meilleur on a white background
LeTech care & restoration logo with orange and black text
Logo of Craft Line with a工人 holding tools on a white background
Logo with 'EXPERT LINE' text in black and orange on a white background
Logo of Bag & Shoes spa with a stylized bag and shoes figure on a white background.
Logo of Le Meilleur on a white background
LeTech care & restoration logo with orange and black text
Logo of Craft Line with a工人 holding tools on a white background
Logo with 'EXPERT LINE' text in black and orange on a white background
Logo of Bag & Shoes spa with a stylized bag and shoes figure on a white background.
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