Engineering trust into every surface test
Surface energy testing across the full working range – 22 to 70 dynes/cm, available in marker and liquid formats.
22-70 dynes/cm
Markers & liquids
Trusted by Clients Locally and Globally
Clients Across Pakistan
International Clients
About Dyne Lab
We supply the tools that tell you whether a surface is ready.
Dyne testing markers and solutions for film, packaging, printing and converting. Verify surface treatment in seconds — before the run starts.
Who we are
Express Pac (Pvt) Limited is a Pakistan-based packaging and industrial solutions company committed to delivering innovative, reliable, and cost-effective products. With rich experience across the packaging value chain, we develop surface energy testing products — including treatment pens, dyne markers, and dyne solutions — that are trusted at home and exported abroad.
Innovation in every formulation
We continuously push the boundaries of surface energy testing to bring you the most advanced and accurate formulations.
Reliability you can measure
Consistent results you can depend on, batch after batch, ensuring your production quality never falters.
Engineering Trust
From raw materials and films to finished packaging, equipment, and resins, our focus is on practical solutions that help converters and manufacturers get adhesion right the first time.
Pakistan-based
Locally manufactured, globally exported.
Dyne Markers
Treatment pens developed through extensive research.
Dyne Solutions
Technical training for companies at home & abroad.
Dyne Solutions
Reliable performance at competitive value.
WHAT DRIVES US
Our Mission & Vision
Two commitments that guide everything we make and every relationship we build.
Our Mission
To empower manufacturers and converters with quick, accurate, and reliable surface energy testing solutions — helping them achieve consistent adhesion, reduce waste, and deliver superior packaging quality across every process.
Our Vision
To empower manufacturers and converters with quick, accurate, and reliable surface energy testing solutions — helping them achieve consistent adhesion, reduce waste, and deliver superior packaging quality across every process.
How We Work
Quality
What controls the accuracy of what you ship? Batch testing, tensiometer verification, certificates of analysis, formulation to ASTM D2578 or ISO 8296? Name whichever is true.
Freshness / lead time
Dyne fluids have a working shelf life, typically around six months. Competitors compete hard here — some make to order, some hold stock for fast dispatch. Which are you?
Support
Do you advise on dyne level selection? Provide samples? Offer technical documentation or SDS? This is a real differentiator against pure e-commerce sellers.
Practical. Reliable. Consistent.
Surface energy sits behind more production problems than it gets credit for. Weak lamination bonds, ink that won’t anchor, coating that pulls away days later — the cause is often a film that never reached the treatment level the process needed.
Work with us
Whether you need one dyne level or a full range, start with a conversation about your process.