Qingdao Haide Packaging Co., Ltd. is one of the most professional manufacturers and suppliers of flat bottom clear bags in China. If you're going to wholesale high quality flat bottom clear bags with advanced design, welcome to get quotation from our factory. Customized orders are welcome.
Flat Bottom Clear Bags
The Flat bottom clear bags otherwise known as the square bottom, flat base bag, box bag are one of the most popular packaging items used in retail industries. It has seals on all four edges of the pouch and four square seals on the base which are reinforced structure designed to effectively hold its shape while on the shelf or in the pantry well suited for heavier fill projects.
Haide / Color Packaging’s flat bottom clear bags are affordable, durable, and come in a variety of sizes. Flat bottom gusset bags are a very common form of display packaging. Like a lunch sack, these bags are able to stand on their own while holding a considerable amount of bulk or bulky items with high Clarity - The highest clarity gusset bags, these bags are an excellent way to display products.
Haide / Color Packaging is expertise in engineering non-foil high-barrier flexible packaging materials using sophisticated coextruded film laminates. We cooperated with Japanese high barrier main suppliers like DNP, Unitika, Kuraray, Mitsubishi, etc. for decade who supply a variety of specialized top quality and stable high barrier retort laminates level film for the barrier flat bottom bags.
Japanese clear barrier material barrier levels,
● Transparent Oxygen barrier (OTR) grades as <0.1 and <1cc/m2/24hrs.
● Transparent Moisture barriers (WVTR) grades as <0.1, <0.4 and <1.0 g/m3/24hrs.
We also apply America and Chinese economy high barrier film with different OTR/WVTR barrier grade film to supply in house client’s with more option and competitive alternative.
● Transparent Oxygen barrier (OTR) grades as <2, <3 and <6cc/m2/24hrs.
● Transparent Moisture barriers (WVTR) grades as <2, <5 and <10 g/m3/24hrs.
Other barrier technology we also apply in custom printed roll stock like,
● High barrier Adhesive
● High barrier matte ink
● Barrier ink
● Anit-UV ink
● EVOH/PA/LLDPE extruded film
Clear Barrier Material Selection for Flat bottom clear barrier bags：
Structure Name | Barrier Coating | OTR (cc/100in2/ 24 hrs) | MVTR (g/100in2/ 24 hrs) | Cost (10 to 1) |
PET-C | Aluminum Oxide (AlOx) | 0.1 | 0.1 | 10 |
PET-C (retort) | Aluminum Oxide (AlOx) | 0.3 | 0.4 | 10 |
PA-C (retort) | Aluminum Oxide (AlOx) | 0.3 | 0.8 | 9 |
PET-PIR (retort) | Aluminum Oxide (AlOx) | 0.4 | 0.5 | 9 |
PET-CS (retort) | Aluminum Oxide (AlOx) | 0.6 | 0.8 | 8 |
EVAL | EVOH Sheet | 0.8 | 6-10 | 9 |
PET-G | SiOx-coated | 3 | 5 | 4 |
PET-P | SiOx-coated | 2 | 20 | 4 |
UNI-KPA (Boil) | PVDC-coated | 6 | 6 | 6 |
KPA / KPET | PVDC-coated | 8-15 | 8-15 | 2 |
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