Films, inks, adhesives, solvents, resins and masterbatch for flexible printing, extrusion blow molding and injection molding - specified to match the machines and shipped worldwide.
A production line is only as good as what you feed it. The best blow molder in the world produces weak jerrycans on the wrong HDPE grade; a flawless printing press closes its print window the moment corona treatment drops below 38 dynes; an injection mold full of undried polycarbonate parts clouds in a shift. That is why Goluwa supplies the materials alongside the machines - the complete feedstock for the three processes that drive packaging manufacturing.
This page is the materials playbook: the raw materials list for each process, what the grades mean, and the additives that separate a production run from a recall. The full supply range lives on our raw materials page, the shipping mechanics in our shipping guide, and the duty levers in our duty guide.
Flexographic and rotogravure printing on film is a materials chain: substrate, surface treatment, ink, lamination. Break one link and the laminate fails in the field. Here is the full stack.
BOPP 15-40 micron for snacks and labels, PET 12 micron for strength and barrier, CPP as the sealant web, LDPE/LLDPE for economy, BOPA nylon for retort and vacuum packs, 6.5-9 micron aluminum foil for full barrier, metallized PET/BOPP, and paper for sustainable lines - per our raw materials range.
Solvent-based NC (nitrocellulose) inks for surface printing, PU (polyurethane) inks for lamination work, water-based and UV-curable systems, and TiO2 white for opacity. Surface energy matters as much as ink: corona treat to 38-42 dynes/cm before printing.
Two-component solvent-based PU laminating adhesives and solvent-free 100% solids systems for high-speed lamination, overprint varnishes for scuff resistance, and heat-seal coatings for the finishing layer.
Ethyl acetate, n-propyl acetate, isopropyl alcohol and ethanol for ink viscosity control; retarder solvents for speed tuning; press and plate-cleaning chemicals; photopolymer plates and engraved cylinders as the image carriers.
Bottles, jerrycans and drums live or die on resin choice - melt index for parison control, ESCR for chemical survival, masterbatch for color and life outdoors.
Blow-molding HDPE at melt index 0.05-1.2 for bottles, jerrycans and drums - ESCR (environmental stress crack) grades for detergents and agrochemicals, per our jerrycan guide. LDPE and LLDPE for squeezables and soft-touch walls.
PP copolymers for hot-fill bottles and higher gloss, EVA blends for flexible shoulders. Note: PET bottles come from stretch-blow lines on bottle-grade resin - per the PET line guide.
Six-layer coextrusion for chemical and fuel containers: EVOH or PA6 barrier layers with anhydride-grafted PE tie resins - the difference between a jerrycan that sweats solvent and one that does not.
Color masterbatch - TiO2 white, carbon black, phthalocyanine blues and greens, organic reds - dosed at 1-4 percent. Additives: HALS and UV absorbers, antioxidants, slip agents (erucamide), antiblock, antistatics, talc and calcium carbonate fillers. Regrind managed at 10-25 percent.
Closures, crates, preforms and the 19-20 litre water bottle - injection molding consumes the widest resin menu of the three processes.
PP homopolymer and copolymer for caps and closures (the living hinge is pure PP), HDPE for crates and pails, PS and HIPS for trays and cutlery, SAN for clear cosmetic parts - per the packaging machinery range.
ABS for housings and machine furniture, PA6 and glass-filled grades for gears and wear parts, POM for precision mechanisms, TPE/TPR for gaskets and grips, PC/ABS blends where toughness meets finish.
Food-grade polycarbonate for 5-gallon water bottles - the returnable jar economy - and bottle-grade PET at intrinsic viscosity 0.72-0.84 with AA control for preforms, per our water plant guide.
Color and white masterbatch, clarifying and nucleating agents for crystal-clear PP, talc and glass-filler compounds, HALS and antioxidants, silicone mold release, and purging compounds for color changes. Hygroscopic resins - PA, PC, PET - dry before molding, no exceptions.
The substrate films - BOPP, PET, CPP, LDPE/LLDPE, BOPA nylon and aluminum foil - printed with solvent-based NC or PU inks, or water-based and UV inks, laminated with two-component PU or solvent-free adhesives, using solvents such as ethyl acetate and isopropyl alcohol, with corona treatment to 38-42 dynes per centimetre before printing.
HDPE blow-molding grades (melt index 0.05-1.2) for bottles, jerrycans and drums, with ESCR grades for chemical packaging; LDPE and LLDPE for squeezables; PP copolymers for hot-fill; and EVOH with tie-layer resins for five-layer barrier coextrusion. Color and additive masterbatch dosed at 1-4 percent completes the feed.
PP homopolymer and copolymer for closures and crates, HDPE for heavy-duty parts, PS and HIPS for trays, bottle-grade PET (intrinsic viscosity 0.72-0.84) for preforms, food-grade polycarbonate for 5-gallon water bottles, plus engineering resins - ABS, PA6, POM, TPE - and masterbatch with clarifying, UV and filler additives.
Masterbatch is a concentrated carrier of pigments or additives - colorants, TiO2 white, carbon black, UV stabilizers, antioxidants, slip agents - pelletized into the base resin and dosed at 1-4 percent. It gives clean, consistent color and performance without handling raw powder chemicals.
Yes - resins, masterbatch, films, inks, adhesives and solvents are quoted alongside the machines they run on, so specifications match and materials land in the same shipment window as the line. See our raw materials range or ask for a combined machinery-plus-materials quote.
Send the process - printing, blow molding or injection - and the product. Get resins, masterbatch, films, inks and additives quoted against the line, within 24 hours.