Inner Envelopes
Robbins inner envelopes are engineered with proprietary Compression Molding Technology (CMT) to deliver superior durability and flexibility. Designed to mold precisely to the tire body, they ensure uniform curing pressure and heat distribution for optimal bonding and minimal tread distortion.
Available in a comprehensive range of shapes and sizes, our inner envelopes—featuring Accu-Fit II / Inner-Lope® and hand-built precision models—create a perfect vacuum in the curing chamber and reduce temperature variations to improve retread appearance and performance.
- Comprehensive range of shapes and sizes
- Proprietary Compression Molding Technology (CMT) for enhanced durability and flexibility
- Accu-Fit II / Inner-Lope® molds precisely to the tire body, including bead area
- Designed for easy handling and reliable fit
- Creates perfect vacuum in curing chamber for strong tread-to-tire bonding
- Hand-built precision models for specialized applications
Need help choosing the right size?
Reach out to our team for expert guidance and personalized support.
