Metro Tiles Machinery

PVC rubber moulds (also called rubberised PVC moulds) are flexible, durable forms—typically injection‑molded from virgin PVC blended with rubber or silicone—designed for casting concrete, cement, or fly‑ash pavers. They allow quick, repeated use in casting interlocking blocks, tiles, kerbs, and more .

🔧 Key Features & Benefits

• Material & Durability
  Made from high-grade PVC, often enhanced with rubber or silicone, these moulds resist chemicals, moisture, and abrasion. Typical lifespan ranges from 3–10 years, depending on thickness and handling .

• Design Variety
  Available in numerous patterns—zigzag, I-shape, Milano, hexagon, cobbler, chakra, arrow, diamond, grass grid, etc.—and multiple thicknesses (20–125 mm) to suit different block types .

• Easy Demoulding & Lightweight
  Their slight flexibility ensures easy release of cured pavers, reducing breakage. Lightweight design enhances handling and portability compared to steel options .

• Surface Finish Quality
  Interiors are finished—stone texture, sandblast, glossy, or leather—for fine detailed transfer to the paver surface .

• Cost‑Effective & Low Maintenance
  PVC moulds are less expensive than metal or rubber moulds, resist corrosion, and require minimal upkeep 

• Eco‑Friendly Potential
  Recyclable PVC materials and long service life improve sustainability 

📏 Typical Specs ✅ Advantages

• Flexible for easy release, reducing breakage risk

• Lightweight, easy to transport and store

• Low upfront cost and maintenance

• Consistent, high-quality finishes

• Recyclable and environmentally friendly

⚠️ Considerations

• Less rigid than steel moulds—may need support for very large blocks

• Handling rough substrates can reduce mould lifespan—store and clean properly

🎯 Ideal For

• Small to medium-scale commercial or DIY paving projects

• Projects needing decorative or custom-shaped blocks

• Users seeking cost-effective, portable, and quick-production moulds

🔍 Summary

PVC rubber moulds are a versatile, practical solution for casting concrete pavers. They combine flexibility, detailed finish, durability, and cost efficiency, ideal for a wide range of paving needs.

 

🧱 What Are Silicone Plastic Moulds?

Silicone plastic moulds—often referred to as silicone rubber moulds—are flexible, reusable moulds made from cured silicone elastomers. They’re ideal for casting concrete, resin, plaster, or low-melt metals and are prized for their superior detail capture, flexibility, and durability.

🔍 Key Features & Advantages • High Detail Fidelity

Silicone captures intricate textures and fine edges with precision, making it perfect for decorative or custom-patterned pavers 

• Extreme Flexibility & Easy Release

Soft and elastic, silicone moulds flex to release hardened concrete without cracking—a major plus for complex shapes .

• Excellent Thermal + Chemical Resistance

They handle temperatures up to ~205 °C, resist weathering, acids, alkalis, and ageing—ideal for harsh or outdoor environments 

• No Release Agent Required

Silicone’s non-stick nature often eliminates the need for additional release agents, simplifying cleanup and improving efficiency .

• Durable and Reusable

High tear strength and elasticity mean long-lasting performance—typically 1.5–3 years for paver moulds (1,000+ cycles), sometimes up to 15 years under light use .

• Safe & Eco-Friendly

Food-grade and skin-safe variants exist. Silicone is inert and recyclable in some cases — more eco-friendly than many plastics .

📏 Typical Specifications (Industry Examples) ✅ Benefits

• Produces crisp, high-quality finishes with minimal air entrapment.

• Durable yet flexible—reduces paver breakage during demoulding.

• Versatile—works for concrete, resin, low-temperature metal casting.

• Clean and user-friendly—less cleanup and no release line needed.

• Good resistance to heat, chemicals, and weather—great for outdoor use.

⚠️ Considerations

• Higher initial cost: Silicone moulds are more expensive than PVC or plastic.

• Requires correct curing: Platinum-grade silicone gives durability, but tin-cure can be cheaper .

• Batch limitation: Usually ideal for small-to-medium runs. For mass industrial output, metal may be more cost-effective

“Silicone rubber moulds…capture even the tiniest details with precision.” 
“Platinum silicones are just nicer all round… faster curing times and greater control.” 

🎯 Best Use Cases

• Decorative or custom-patterned pavers where surface detail matters.

• Small to medium batch runs, artisan or bespoke applications.

• Projects requiring thermal resistance or non-stick moulding.

• Casting materials with intricate shapes (concrete tiles, resin frames, chocolates, etc.)

🔧 Summary

Silicone plastic moulds offer unmatched precision, flexibility, and thermal resistance. Although costlier upfront, they deliver exceptional finish quality, ease of use (no release agents), and long-term durability—an excellent choice for detail-focused casting of pavers and other items.

PVC rubber moulds (also called rubberised PVC moulds) are flexible, durable forms—typically injection‑molded from virgin PVC blended with rubber or silicone—designed for casting concrete, cement, or fly‑ash pavers. They allow quick, repeated use in casting interlocking blocks, tiles, kerbs, and more .

�� Key Features & Benefits

• Material & Durability
  Made from high-grade PVC, often enhanced with rubber or silicone, these moulds resist chemicals, moisture, and abrasion. Typical lifespan ranges from 3–10 years, depending on thickness and handling .

• Design Variety
  Available in numerous patterns—zigzag, I-shape, Milano, hexagon, cobbler, chakra, arrow, diamond, grass grid, etc.—and multiple thicknesses (20–125 mm) to suit different block types .

• Easy Demoulding & Lightweight
  Their slight flexibility ensures easy release of cured pavers, reducing breakage. Lightweight design enhances handling and portability compared to steel options .

• Surface Finish Quality
  Interiors are finished—stone texture, sandblast, glossy, or leather—for fine detailed transfer to the paver surface .

• Cost‑Effective & Low Maintenance
  PVC moulds are less expensive than metal or rubber moulds, resist corrosion, and require minimal upkeep 

• Eco‑Friendly Potential
  Recyclable PVC materials and long service life improve sustainability 

�� Typical Specs ✅ Advantages

• Flexible for easy release, reducing breakage risk

• Lightweight, easy to transport and store

• Low upfront cost and maintenance

• Consistent, high-quality finishes

• Recyclable and environmentally friendly

⚠️ Considerations

• Less rigid than steel moulds—may need support for very large blocks

• Handling rough substrates can reduce mould lifespan—store and clean properly

�� Ideal For

• Small to medium-scale commercial or DIY paving projects

• Projects needing decorative or custom-shaped blocks

• Users seeking cost-effective, portable, and quick-production moulds

�� Summary

PVC rubber moulds are a versatile, practical solution for casting concrete pavers. They combine flexibility, detailed finish, durability, and cost efficiency, ideal for a wide range of paving needs.