Who handles safety certification for helmets and protective gear?
The certification belongs to the finished product, tested as an assembly by the brand. The molder runs the resin grade and design the brand has tested, unchanged from order to order.
Industry
Injection Molding for Sporting Goods
Most molded parts are designed to avoid impact. Sports parts are designed to take it, over and over, often in freezing weather, and then feel right in a sweaty hand.
Hit on purpose
Why sports parts fail differently
The load is not an accident. It is the point of the product.
A ski binding part flexes every turn, in snow, well below freezing. A bike bottle cage gets kicked and dropped. A protective shell spreads the force of a hit so the wearer does not feel it. In each case the part is expected to take real force as a normal part of use, not as a rare event.
Cold makes that harder. Many resins that are tough at room temperature turn brittle in winter, which is why cold weather gear leans on grades that stay tough in the cold, such as impact modified nylon, TPU, and certain polycarbonate blends.
By sport
Common sports parts and what they face
The resin follows the worst day the part will see.
| Part | Worst day | Usual resin |
|---|---|---|
| Racket, paddle, and bat grips | Sweat, twisting, and a hard swing | TPE or TPU overmolded on a rigid core |
| Ski and snowboard binding parts | Impact and flexing in deep cold | Impact modified nylon, TPU |
| Bike cages, pedals, and mounts | Drops, road grit, and sun | Glass filled nylon |
| Protective shells and guards | Direct hits | Polycarbonate, ABS, or PC/ABS |
| Fitness equipment covers and knobs | Constant use in a gym and cleaning sprays | ABS or PC/ABS, TPE on touch points |
Grips
A grip that stays put in a wet hand
The grip is the part of the product people actually touch, and they judge the whole product by it.
- A soft TPE or TPU layer molded directly onto a rigid core cannot slip or peel like a taped or glued grip
- The soft material must be matched to the core resin so the two bond, or the edge lifts after a season
- Texture on the soft layer, from the mold surface, sets how the grip feels when it is wet
- Grooves and pockets under the soft layer lock it on mechanically where the chemical bond alone is not enough
FAQ
Questions from sporting goods brands
Can one grip design come in team or brand colors?
Yes. Color is set at the press, so the same tool can run several colors of the soft grip or the rigid core.
Can logos go on the part without a sticker?
Yes. Logos can be molded in as texture or lettering, or added after molding with pad printing, silk screening, hot stamping, or laser marking.
Is there a minimum order for a limited edition run?
No. There is no minimum order quantity, so a small colorway or a special edition can run from the same tool as the main line.
Keep reading
Related guides
Grips, soft materials, and tough resins for gear that gets hit.
Handles
Rigid cores for grips.
HandlesTPU
Tough in the cold, resists abrasion.
TPUTPE
Soft touch grips.
TPEPolycarbonate
Shells and guards that take hits.
PolycarbonateTextures
How the mold surface sets the feel.
TexturesConsumer products
The wider consumer goods page.
Consumer productsIndustries hub
Every sector page in one index.
Industries hubNext step
Tell us how the part gets used and abused
Upload CAD with the coldest temperature, the kind of impact, and which surfaces a hand touches. DFM checks the grip bond and impact areas. NetProto manufacturing is ISO 9001 certified.