Technology
Sealing the Deal: How to Choose the Right Materials for Pipe Sealing
Pipes are an essential part of any plumbing system, and keeping them in good condition is crucial for the overall functionality of your home. One way to ensure that your pipes stay in top shape is by properly sealing them with the right materials.
In this guide, we will discuss the different types of materials used for pipe sealing and how to choose the best one for your specific needs.
Understanding Pipe Sealing
Before we dive into the details of materials for pipe sealing, it’s important to understand what pipe sealing actually means and why it is necessary.
Pipe sealing is the process of closing off any gaps or leaks in pipes to prevent water or gas from leaking out. This can be done for various types of pipes, including water supply pipes, drainage pipes, and gas pipes.
Proper pipe sealing not only prevents the wastage of resources but also protects your home from potential water damage and gas leaks.
Types of Pipe Sealing Materials
There are a variety of materials available for pipe sealing, each with its unique properties and uses. Some common types include:
Teflon Tape
Also known as plumber’s tape, Teflon tape is a thin, white tape made from PTFE (polytetrafluoroethylene) that is commonly used for sealing threaded pipe connections. It provides a tight, leak-proof seal and can withstand high temperatures and pressures.
Pipe Dope
Pipe dope is a paste-like substance made of oils, resins, and mineral fillers that is applied to the threaded part of pipes before they are connected. It creates a seal that is resistant to vibration and pressure fluctuations, making it a great choice for high-pressure systems. Unlike Teflon tape, which can be used only on threads, pipe dope can be applied to any connection needing a waterproof seal.
Pipe Plugs
Pipe plugs are physical barriers inserted into the ends of pipes to stop the flow of water or gas temporarily. They are often used during maintenance or repair work to isolate a section of the plumbing system without shutting off the entire system. Pipe plugs can be made from various materials, including metal, rubber, and plastic, each designed to withstand different pressures and temperatures. Knowing when and how to use pipe plugs effectively is crucial for anyone working on plumbing systems, as they provide a quick and easy solution for controlling the flow within pipes.
Choosing the Right Materials for Your Needs
Now that you understand the different types of materials used for pipe sealing, how do you choose the right one for your specific needs? Here are a few factors to consider:
Type of Pipes
The first thing to consider is the type of pipes in your plumbing system. Different materials may be better suited for certain types of pipes, so make sure to choose one that is compatible.
Type of Connection
The type of connection also plays a role in determining the right sealing material. For threaded connections, Teflon tape or pipe dope would be suitable, while pipe plugs are ideal for temporarily blocking off non-threaded connections.
Pressure and Temperature
The pressure and temperature within your plumbing system should also be taken into account. Make sure to choose materials that can withstand the levels of pressure and temperature within your pipes.
Reliability and Longevity
Lastly, consider the reliability and longevity of the sealing material you choose. You want a material that will provide a long-lasting seal to prevent any future leaks or problems.
Conclusion
Proper pipe sealing is essential for maintaining a functional plumbing system and protecting your home from potential damage. By understanding the different types of materials available and considering key factors, you can choose the right material to ensure a tight and lasting seal for your pipes. Remember, when it comes to pipe sealing, it’s always better to be safe than sorry. So take the time to choose the right materials and ensure the longevity and efficiency of your plumbing system.
Technology
Pintarnya raises $16.7M to power jobs and financial services in Indonesia
Pintarnya, an Indonesian employment platform that goes beyond job matching by offering financial services along with full-time and side-gig opportunities, said it has raised a $16.7 million Series A round.
The funding was led by Square Peg with participation from existing investors Vertex Venture Southeast Asia & India and East Ventures.
Ghirish Pokardas, Nelly Nurmalasari, and Henry Hendrawan founded Pintarnya in 2022 to tackle two of the biggest challenges Indonesians face daily: earning enough and borrowing responsibly.
“Traditionally, mass workers in Indonesia find jobs offline through job fairs or word of mouth, with employers buried in paper applications and candidates rarely hearing back. For borrowing, their options are often limited to family/friend or predatory lenders with harsh collection practices,” Henry Hendrawan, co-founder of Pintarnya, told TechCrunch. “We digitize job matching with AI to make hiring faster and we provide workers with safer, healthier lending options — designed around what they can reasonably afford, rather than pushing them deeper into debt.”
Around 59% of Indonesia’s 150 million workforce is employed in the informal sector, highlighting the difficulties these workers encounter in accessing formal financial services because they lack verifiable income and official employment documentation.
Pintarnya tackles this challenge by partnering with asset-backed lenders to offer secured loans, using collateral such as gold, electronics, or vehicles, Hendrawan added.
Since its seed funding in 2022, the platform currently serves over 10 million job seeker users and 40,000 employers nationwide. Its revenue has increased almost fivefold year-over-year and expects to reach break-even by the end of the year, Hendrawn noted. Pintarnya primarily serves users aged 21 to 40, most of whom have a high school education or a diploma below university level. The startup aims to focus on this underserved segment, given the large population of blue-collar and informal workers in Indonesia.
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“Through the journey of building employment services, we discovered that our users needed more than just jobs — they needed access to financial services that traditional banks couldn’t provide,” said Hendrawan. “We digitize job matching with AI to make hiring faster and we provide workers with safer, healthier lending options — designed around what they can reasonably afford, rather than pushing them deeper into debt.”

While Indonesia already has job platforms like JobStreet, Kalibrr, and Glints, these primarily cater to white-collar roles, which represent only a small portion of the workforce, according to Hendrawan. Pintarnya’s platform is designed specifically for blue-collar workers, offering tailored experiences such as quick-apply options for walk-in interviews, affordable e-learning on relevant skills, in-app opportunities for supplemental income, and seamless connections to financial services like loans.
The same trend is evident in Indonesia’s fintech sector, which similarly caters to white-collar or upper-middle-class consumers. Conventional credit scoring models for loans, which rely on steady monthly income and bank account activity, often leave blue-collar workers overlooked by existing fintech providers, Hendrawan explained.
When asked about which fintech services are most in demand, Hendrawan mentioned, “Given their employment status, lending is the most in-demand financial service for Pintarnya’s users today. We are planning to ‘graduate’ them to micro-savings and investments down the road through innovative products with our partners.”
The new funding will enable Pintarnya to strengthen its platform technology and broaden its financial service offerings through strategic partnerships. With most Indonesian workers employed in blue-collar and informal sectors, the co-founders see substantial growth opportunities in the local market. Leveraging their extensive experience in managing businesses across Southeast Asia, they are also open to exploring regional expansion when the timing is right.
“Our vision is for Pintarnya to be the everyday companion that empowers Indonesians to not only make ends meet today, but also plan, grow, and upgrade their lives tomorrow … In five years, we see Pintarnya as the go-to super app for Indonesia’s workers, not just for earning income, but as a trusted partner throughout their life journey,” Hendrawan said. “We want to be the first stop when someone is looking for work, a place that helps them upgrade their skills, and a reliable guide as they make financial decisions.”
Technology
OpenAI warns against SPVs and other ‘unauthorized’ investments
In a new blog post, OpenAI warns against “unauthorized opportunities to gain exposure to OpenAI through a variety of means,” including special purpose vehicles, known as SPVs.
“We urge you to be careful if you are contacted by a firm that purports to have access to OpenAI, including through the sale of an SPV interest with exposure to OpenAI equity,” the company writes. The blog post acknowledges that “not every offer of OpenAI equity […] is problematic” but says firms may be “attempting to circumvent our transfer restrictions.”
“If so, the sale will not be recognized and carry no economic value to you,” OpenAI says.
Investors have increasingly used SPVs (which pool money for one-off investments) as a way to buy into hot AI startups, prompting other VCs to criticize them as a vehicle for “tourist chumps.”
Business Insider reports that OpenAI isn’t the only major AI company looking to crack down on SPVs, with Anthropic reportedly telling Menlo Ventures it must use its own capital, not an SPV, to invest in an upcoming round.
Technology
Meta partners with Midjourney on AI image and video models
Meta is partnering with Midjourney to license the startup’s AI image and video generation technology, Meta Chief AI Officer Alexandr Wang announced Friday in a post on Threads. Wang says Meta’s research teams will collaborate with Midjourney to bring its technology into future AI models and products.
“To ensure Meta is able to deliver the best possible products for people it will require taking an all-of-the-above approach,” Wang said. “This means world-class talent, ambitious compute roadmap, and working with the best players across the industry.”
The Midjourney partnership could help Meta develop products that compete with industry-leading AI image and video models, such as OpenAI’s Sora, Black Forest Lab’s Flux, and Google’s Veo. Last year, Meta rolled out its own AI image generation tool, Imagine, into several of its products, including Facebook, Instagram, and Messenger. Meta also has an AI video generation tool, Movie Gen, that allows users to create videos from prompts.
The licensing agreement with Midjourney marks Meta’s latest deal to get ahead in the AI race. Earlier this year, CEO Mark Zuckerberg went on a hiring spree for AI talent, offering some researchers compensation packages worth upwards of $100 million. The social media giant also invested $14 billion in Scale AI, and acquired the AI voice startup Play AI.
Meta has held talks with several other leading AI labs about other acquisitions, and Zuckerberg even spoke with Elon Musk about joining his $97 billion takeover bid of OpenAI (Meta ultimately did not join the offer, and OpenAI denied Musk’s bid).
While the terms of Meta’s deal with Midjourney remain unknown, the startup’s CEO, David Holz, said in a post on X that his company remains independent with no investors; Midjourney is one of the few leading AI model developers that has never taken on outside funding. At one point, Meta talked with Midjourney about acquiring the startup, according to Upstarts Media.
Midjourney was founded in 2022 and quickly became a leader in the AI image generation space for its realistic, unique style. By 2023, the startup was reportedly on pace to generate $200 million in revenue. The startup sells subscriptions starting at $10 per month. It offers pricier tiers, which offer more AI image generations, that cost as much as $120 per month. In June, the startup released its first AI video model, V1.
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Meta’s partnership with Midjourney comes just two months after the startup was sued by Disney and Universal, alleging that it trained AI image models on copyrighted works. Several AI model developers — including Meta — face similar allegations from copyright holders, however, recent court cases pertaining to AI training data have sided with tech companies.
Got a sensitive tip or confidential documents? We’re reporting on the inner workings of the AI industry — from the companies shaping its future to the people impacted by their decisions. Reach out to Rebecca Bellan at [email protected] and Maxwell Zeff at [email protected]. For secure communication, you can contact us via Signal at @rebeccabellan.491 and @mzeff.88.
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