Conveyor Belting

Stocked Here, Not Backordered

We carry a full line of Spectrum Belting — Grade 2, Grade 1, and heat-resistant compounds across a wide variety of carcass types — with more than 30 rolls of the industry’s most commonly used belting on the floor in Fontana at any given time. When a belt lets go at 2 AM, the difference between stock and a mill order is your whole week.

Grade 1 or Grade 2? What the Rating Really Means

Cover grades come from the RMA/ARPM standard, and they measure the rubber cover — not the carcass:

Rule of thumb: if your material cuts and gouges, spend up on Grade 1. If it grinds and polishes, a quality Grade 2 handles most materials in the 50–120 lb/ft³ range at a better price. For hot materials — clinker, coke, foundry sand, sintered ore — heat-resistant compounds are rated by continuous material temperature, from around 212°F service up to specialty compounds for 350°F+; tell us your actual material temps and we’ll spec the class.

Carcass & Spec, Decoded

The covers protect; the carcass carries the load. Most plant belts are multiple-ply fabric (modern EP polyester/nylon weaves in fewer, stronger plies); straight-warp constructions add rip and impact resistance; steel-cord belting takes over when tensions climb beyond fabric range. Belts are specced by PIW — rated tension in pounds per inch of width — plus ply count, width, top and bottom cover thickness, and cover grade. A typical call-out reads like 375/3/48, 3/16” × 1/16”, Grade 2. Don’t have the spec sheet? Bring us the application — length, lift, capacity, material — and we’ll build the spec with you.

Splicing: Vulcanized or Super-Screw®

A belt is only as good as its splice. Our crews perform hot vulcanized splicing on-site — a properly vulcanized splice approaches the strength of the original belt with no snag points. When vulcanizing isn’t practical — emergency repairs, wet weather, damaged belt ends, no room for a press — we install the MLT Super-Screw®: a patented flexible rubber splice that screws into the belt with self-drilling screws and a standard drill. No template, no special tools, any weather, and the conveyor can be back up within about an hour. It’s leak-proof, compatible with belt cleaners and small pulleys, covers ratings from roughly 200 to 1,200+ PIW, and comes in MSHA-accepted fire-resistant/anti-static versions. For rips and holes, MLT’s Fix’N Go® screw-on patches make permanent repairs without pulling the belt.

Repair It or Re-Belt It?

Honest answer, every time: a relatively new belt with minor damage gets repaired; a belt with long-term wear that can no longer meet the demands of the application gets replaced — and sometimes a stocked belt gets you running faster than a repair would. Ask about The Works (repair plus performance monitoring) and our Pull & Splice packages. One storage tip that saves belts: store rolls upright on a stand, off the ground, covered and away from sun and ozone sources, and rotate the roll every 90 days.

© 2026 The ACT Group (Applied Conveyor Technology). All rights reserved.