June 2025 - Helsingin Kumi Oy

Why choose EPDM rubber gasket?

EPDM (ethylene propylene diene monomer) is a key material in modern sealing technology. It is particularly known for its excellent durability, flexibility and ability to perform in extreme weather conditions. Technical properties of EPDM rubber seals Weather resistance and UV resistance EPDM has excellent resistance to ozone, UV radiation and weather changes, making it ideal for outdoor use. Temperature range Operates reliably from -35 °C to +100 °C, and withstands short-term exposures up to +120 °C. Chemical resistance advantages Resists dilute acids, alkalis, salts and […]

Smooth rubber mat – an effective solution for many applications

Smooth rubber mat is a multipurpose and high-performance flooring material that combines durability, safety and ergonomics. Helsingin Kumi OyThe range includes smooth rubber mats in various thicknesses and sizes, suitable for industrial premises, workplaces and temporary use in homes. 1. Durability and protection Smooth rubber mats are highly resistant to wear, impact and pressure. They are ideal as flooring materials for warehouses, workplaces and gyms where […]

Vibration-damping rubber – an effective solution for noise and structural vibration control

Vibration-damping rubber is one of the most important components when it comes to reducing vibration and noise in machines, equipment and structures. Its role is particularly emphasized in industry, construction sites and in connection with household appliances such as washing machines and ventilation systems. What does vibration-damping rubber mean, what are the options, how is it used and why is it essential for high-quality vibration control – especially when looking for a durable and effective solution. What is […]

Perforated carpet – a durable and safe choice

A perforated mat is a durable mat through which dirt and liquids drain directly under the floor. It is ideal for outdoor and indoor use, especially in entrances, industrial premises, hallways and wet and humid areas. A perforated mat is made of a sturdy rubber or plastic base with holes or cells through it – as the name suggests. 🛡️ Durability and non-slip – the cornerstones of safety Perforated mats are usually made […]

Rubber mat for the stable – a durable and safe solution

Safety, hygiene and comfort are key in everyday life in a horse stable. Rubber mats for stables meet all these requirements, offering horse owners many benefits. Helsingin Kumi's experts choose only first-class products for their customers - here are the reasons why rubber mats are the best choice for stables. 1. Perfect grip and safety Rubber mats are designed to prevent slipping. Their rough surface and naturally sticky material provide a stable surface […]

Thick rubber mat for sale – expert recommendation

1. Thick rubber mat – built to last Helsingin Kumi offers a thick rubber mat, for example a 10 mm thick rubber mat (1400 mm wide roll, SBR/NR rubber), which is designed for demanding use. It provides good chemical and wear resistance, and the anti-slip surface improves safety. The advantages of a thick rubber mat like this are first-class shock absorption properties and excellent longevity even in heavy use. 2. Safety and ergonomics […]

What is a rubber gasket?

A rubber seal, or rubber gasket, is an elastic component suitable for mechanically sealing small gaps or joint surfaces, preventing the passage of moisture, dust, gas or liquids. It can be in the form of a ring, strip or module — and made of natural or synthetic rubber such as EPDM, NBR or FKM. Key functions of rubber seals To prevent leakage - the flexibility of the rubber material ensures tight contact […]

What is a rubber edge?

Edge rubber is a flexible seal, most often made of rubber or a rubber mixture, that is installed on the edges of carpets, floor skirting boards, passageways, door frames and other penetrations. Its purpose is to prevent dust, draft, air and sound emissions, improve comfort, protect structures and extend the service life of the material. Why install edge rubber? Tightness and energy efficiency Edge rubber prevents air leaks in door jambs and window edges, which reduces heating and cooling costs. Safety and […]

Nitrile rubber – A versatile specialty material for industry for oil and chemical resistance

Nitrile rubber (also known as nitrile butadiene rubber – NBR or buna-N) is a synthetic elastomer that combines acrylonitrile and butadiene molecules. Its development in the 1930s provided an alternative to natural rubber, especially for oily and chemically demanding environments. Chemical properties The special features of nitrile rubber are: Excellent oil and fuel resistance, due to the high acrylonitrile content. Wide temperature range of approximately −40 °C…+100…120 °C, making it suitable for use in both cold and warm […]

Cuttable rubber mat – a versatile solution for industrial and vehicle protection

Cuttable rubber mats are an excellent choice when you need durable and customizable protection for a variety of applications. A wide range of rubber mats that are suitable for both industrial needs and vehicle protection. Why choose cuttable rubber mats? The advantages of cuttable rubber mats are: Customizability: The mat can be cut to the desired size and shape, making it ideal for a variety of spaces and uses. Durability: Rubber mats are highly resistant to wear, chemicals and […]