I’ve been selling disposable nappies here in Hello Charlie for years, and I’m still fascinated by how they work. I know this makes me sound like a complete geek, but the engineering behind disposable nappies blows me away. There are nearly 1,000 patents registered that relate to nappy design. A maxi (size 4) nappy holds up … Read More
I had a question about the safety of super absorbent polymers last week. I’ve been asked this question before. So, I thought it was time to write a post about it in case anyone else was wondering. What are super absorbent polymers? Super absorbent polymers (SAPs) are substances that can hold a huge amount of … Read More
My eldest son was in cloth nappies full time. We had a great routine going, but we couldn’t work out why our darling baby wouldn’t sleep at night until we realized that the feel of a wet nappy woke him up. We persevered, but eventually, zombie-eyed, we gave in and put him in a disposable … Read More
There’s nothing worse than a nappy that’s leaked. How do you prevent it? Hello Charlie has years of experience at nappy changing, so here’s our top tips on how to prevent nappy leakage.
What are SAPs? SAPs are super absorbent polymers. SAPs absorb and hold a huge amount of liquid, relative to their size. SAPs can hold between 50 and 500 times their own weight, depending on the liquid they’re absorbing. In contrast, cotton and fluff pulp hold only 20 times their own weight. What this means is … Read More