Search "best TPV rubber" and you'll find a handful of suppliers whose data sheets all say roughly the same thing: fully crosslinked, peroxide-cured, angular granule, non-porous. On the surface, TPV looks like a commodity. It isn't. Once you get past density and hardness — which are genuinely similar across most reputable suppliers — the products diverge fast on the numbers that determine how a surface actually performs over five, ten, fifteen years outdoors.
This is a plain-language breakdown of what to check, why each figure matters in practice, and how Bounce™ TPV measures up.
Start With the Mechanical Numbers, Not the Marketing
Specific gravity (~1.55 g/cm³) and Shore A hardness (~65 ±5) are where most TPV granules on the market converge. They tell you about underfoot feel and fall-height performance, but almost nothing about durability. Two figures do that job instead:
| Property | Standard-grade TPV | Bounce™ TPV |
|---|---|---|
| Tensile strength | >3.0 MPa | >5.0 MPa |
| Elongation at break | ~400% | 550–650% |
Tensile strength is the granule's resistance to tearing under repeated compression — every footstep, every piece of equipment, every thermal expansion and contraction cycle. A higher number means less surface degradation over the same number of years in the ground.
Elongation at break is how far the granule can stretch before it fails. This matters most in the moment it's designed for: absorbing a fall. A granule that can flex further before tearing gives the surface more margin under impact loading, rather than cracking at its limit.
Check the Fire Test Standard, Not Just the Claim
Almost every supplier states their granule is fire-safe. Far fewer name the test standard behind that claim. Bounce™ TPV's flame-retardant rating is certified to TS EN 13501-1 + A1:2013, with a documented test number on file. If a data sheet only says "non-flammable" without citing a method, ask which standard it was tested against — it's a fair question and a legitimate one to expect an answer to.
Bounce™ TPV in the Ground
A few completed installations using Bounce™ TPV as infill and topping.
Look at the Whole Quality System
ISO 9001 (quality management) is standard across the industry. Bounce™ TPV is certified beyond it:
- ISO 9001 — Quality Management
- ISO 14001 — Environmental Management
- ISO 45001 — Health & Safety
- TS EN 13501-1 + A1:2013 — Fire Test
That breadth matters for public-sector and council projects where procurement teams need evidence of a supplier's operational standards, not just a single product certificate.
Composition, Colour and Warranty
- Non-toxic and child-safe — free of heavy metals, PAHs and phthalate plasticisers, with a signed product certificate issued per batch.
- ~29 standard colours plus custom blends, versus the 18–22 shade ranges typical of standard TPV, giving more room for freeform wetpour design work.
- 5-year warranty, backed by batch-level documentation rather than a spec sheet alone.
Why the Binder Matters as Much as the Granule
Most TPV comparisons stop at the granule and ignore the other half of the system: the binder that holds it together. A high-tensile, high-elongation granule can still underperform if it's bonded with a generic, mismatched binder — poor adhesion shows up as granule loss, surface crumbling at the edges, and premature wear long before the granule itself would have failed.
Bounce™ TPV is designed to be installed with Aloro's A910 binder as a matched system, rather than as a granule sold independently and left to be paired with whatever binder is on hand.
- Solvent-free, one-component formulation — A910 is a one-component polyurethane MDI prepolymer binder, which means no on-site mixing of separate hardener and resin components. That reduces the chance of an incorrect mix ratio on-site, one of the most common causes of a soft or crumbling wetpour surface.
- Formulated for the granule it's paired with — Bounce™ TPV and A910 are supplied and specified as a system, so the binder's cure profile and adhesion characteristics are matched to the granule rather than generically applied.
- Consistent, uniform application — applied with the granule using purpose-built paving equipment for a level, seamless finish, rather than a hand-mixed approximation.
If you're specifying Bounce™ TPV, ask your installer to confirm they're using A910 as part of the system rather than substituting a generic binder — it's a detail that affects the surface's lifespan more than most spec sheets let on.
To read more on Aloro's A910 Binder, check out our blog here.
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