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Not All Hand Chalk is Created Equal

Discover how the 3 Ps of chalk–purity, particle size, and pH balance–make the difference between success and failure.

Friction is crucial for peak performance in sports like climbing, gymnastics, and weightlifting, and the right chalk can be a game-changer. High-quality chalk ensures a better grip, less chalking up, and great value for your wallet. But what makes high-quality chalk? Read on to find out! 

Friction can make or break your performance in many sports. Take rock climbing, for example: no matter how strong your fingers are, you won’t get far if your hands are sweaty and slippery. In gymnastics, a good grip can mean the difference between sticking your landing or a fall. Weightlifters rely on friction to help control heavy weights and avoid a failed lift. Even tennis players and golfers need a solid grip, especially in hot and/or humid conditions when sweaty hands become an issue.

That’s where chalk comes in. Many people treat athletic hand chalk like a basic commodity—grabbing whatever’s available at the gym or mooching off a buddy. But here’s the deal: not all chalk is created equal.

Does Chalk Quality Really Matter? 

The answer is yes. If you're piling on the chalk and still slipping or constantly reapplying, your chalk isn’t cutting it. High-quality chalk requires only a thin layer to achieve a solid grip, so it lasts longer! Read on to learn more.

Chalk Thought. You put a lot of thought into your shoes, clothing, helmets, gloves, rope, crash pads, belts, wrist supports, training grips, belts, straps, etc. You invest in the brands that provide the best performance and durability. Chalk should be no different.
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Friction Labs® Loose Chalk
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Friction Labs® Loose Chalk
Chalk isn't just for hands—it can also be used on areas like the back of the neck in weightlifting.

The 3 Ps of Chalk

Purity, particle size, and pH balance aren’t just minor details—in addition to grade, they separate basic chalk from high-quality chalk. These elements determine whether the chalk boosts your performance or leaves you frustrated. Choosing chalk that prioritizes the 3 Ps will translate into improved friction and superior results.

Purity

Most chalk brands today claim they are made of 100% magnesium carbonate. And yes, that’s what hand chalk should be. However, it’s pretty common for chalk to have other fillers that make it cheaper to produce but not as effective when it comes to moisture control and durability. 

Let’s start by taking a look at the grades of magnesium carbonate.

  1. Recreational-grade magnesium carbonate is most often used in hand chalk. It’s designed for personal or fitness use rather than high-precision applications and is the least effective at absorbing moisture.   
  2. Food-grade magnesium carbonate can be used as a food additive, an anti-caking agent, and even an ingredient in beer!    
  3. Pharmaceutical-grade magnesium carbonate is the purest form typically used to treat conditions such as heartburn, acid indigestion, and upset stomach and as a magnesium supplement. It is also the most moisture absorbent of the three grades.

Is pharmaceutical-grade magnesium carbonate a little more expensive? Yes. But if the goal is to provide maximum moisture absorption and friction, starting with the most effective foundation is a no-brainer. 

2 Signs of Impure Chalk 

  • Greasy Feel: Magnesite and calcite often come together in natural deposits, but calcite (the stuff in chalkboard chalk) differs from magnesium carbonate. It’s a bit of a hassle to separate them, but it’s crucial for getting the purest, most effective chalk. If your chalk feels greasy, it probably contains calcium carbonate.
  • Sticky Feel: Check the label of your chalk: Does it contain rosin? If so, toss it out! Derived from pine trees and conifers, rosin is a solid, sticky substance that can be ground down and added to chalk material. Although it may seem ideal to have a stickiness to your grip, it will ultimately have the opposite effect. Rosin has a way of seeping into the nooks and crannies of climbing holds, the knurling of bars, etc., making the surfaces challenging to cling to. It’s also hard to remove from surfaces. 

Particle Size 

Even if chalk is made from the purest of the pure materials, particle size plays a crucial role in the product's effectiveness. Achieving the ideal particle size takes persistence and repeated adjustments to achieve the right balance. Here’s why this is important:

  • Large particles may not adhere effectively to the grip surface, creating a slippery feel. 
  • Particle sizes that are too fine may lead to stacking and clumping rather than spreading evenly. This can reduce effectiveness in absorbing moisture. Excessively fine particles can also become airborne easily, creating a messy or dusty environment.

pH-Balance

A well-balanced pH can positively affect chalk performance—especially when developing chalk into solid forms for chunks or chalk discs. If the pH is slightly off, the chalk may feel brittle or like baby powder. Optimal chalk pH will result in: 

  • Great moisture absorption
  • Consistent texture
  • Durability
  • Reduced skin irritation
  • Ultimately, optimized grip

A Note on Chalk Price: If you’re choosing chalk based only on price, keep this in mind: You get what you pay for. A cheaper brand won’t last as long, especially if you have to pile it on and constantly reapply. You’ll go through it faster and end up buying more often. With high-quality chalk, a thin layer provides a long-lasting grip, helping you conserve your supply and go longer between applications without breaking your focus. Spending a little more upfront will actually save you money in the long run. So, treat your chalk like any other piece of athletic gear—quality matters, and so does how you use it.

FEATURED PRODUCT
Secret Stuff Liquid Chalk
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Secret Stuff Liquid Chalk
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The better the chalk quality, the less you need.

How Friction Labs Prioritizes the 3 Ps

Based in Colorado, Friction Labs proudly manufactures high-quality chalk in the USA. We pride ourselves on having complete control over every bag, sphere, and disc of chalk we produce. We’re obsessed with adhering to the 3 Ps of high-quality chalk. 

  • We use pharmaceutical-grade magnesium carbonate in all our chalk products—no calcium carbonate, rosin, or fillers, not even in our liquid chalk. It’s all about starting with the purest foundation for the best friction.
  • We’ve also spent a lot of time perfecting the particle size. While we can’t spill all our secrets, we’ve spent countless hours dialing it in to give you the ultimate grip—and we’re always refining our process.
  • Through rigorous testing, we’ve hit the sweet spot for pH balance, so our chalk isn’t too brittle or too soft and slippery. The result? Chalk that feels amazing, grips like a dream, and is gentler on your skin.

We spend time refining our chalk because we care. We started out in 2013 as a group of dedicated athletes striving for a better product to boost our performance. That mindset hasn’t changed! We're not professional athletes, but our chalk has gained a huge following from pro climbers, powerlifters, and other elite, hardcore athletes who require a confident grip. They feel the difference on their hands and see the difference in their performance.

Our products are made for anyone who wants to take their training and performance to the next level—or just have fun trying.   

Just a heads up: When it comes to new products, we're always cooking up something new. Keep an eye out for our next big thing!

We’re so confident that our chalk will transform your experience that we offer a money-back guarantee on every product we sell. Give our chalk a risk-free try today!  

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