Standard Woven Sack Specifications:30cm-----75cmWide, with unlimited length, available for standard printing and full-color printing.

Application Range

Vegetables and other agricultural products packaging

Subsequently replacing paper-based cement packaging bags.

Due to product resources and pricing issues, our country has6010 million woven bags for cement packaging, accounting for a significant portion of bulk cement packaging.85%Above, with the development and application of flexible container bags, plastic woven containers are widely used for marine transportation and packaging of agricultural and industrial products. In agricultural product packaging, plastic woven bags are extensively used for packaging aquatic products, poultry feed, covering materials for farms, shading materials for crop planting, windbreak, and hailproof sheds, etc. Common products include feed woven bags, chemical woven bags, putty powder woven bags, urea woven bags, vegetable mesh bags, and fruit mesh bags, etc.

Food Packaging

Rice, flour, and other food packaging is increasingly adopting woven bags. Common woven bags include: rice woven bags, flour woven bags, corn woven bags, etc.

Geotechnical Engineering

From80Since the development of geotextiles, the application fields of plastic woven materials have been broadened, widely used in small-scale water conservancy, electricity, highways, railways, seaports, mining construction, and military engineering projects. In these projects, geosynthetic materials provide functions such as filtration, drainage, reinforcement, isolation, and waterproofing. Plastic geotextiles are a type of synthetic geosynthetic material.

Travel Transportation

Temporary tents and sunshades in the tourism industry, as well as various travel bags and suitcases, all utilize plastic woven materials. Various tarpaulins are widely used as covering materials for transportation and storage, replacing the easily moldy and bulky cotton tarpaulins. Construction barriers and screens are also commonly made from plastic woven materials. Common items include logistics bags, logistics packaging bags, cargo bags, and cargo packaging bags.

Daily Necessities

Most workers, farmers, haulers, and market-goers use plastic woven products, which can be found everywhere from stores to warehouses and homes. Plastic woven materials have also replaced padding for synthetic carpet, including shopping bags, supermarket bags, eco-friendly supermarket bags; as well as woven cargo bags for logistics transportation, logistics woven bags.

6Flood control supplies

Burlap bags are indispensable for flood relief efforts, as well as for the construction of embankments, riverbanks, railways, and highways. This includes flood prevention bags, drought resistance bags, and flood control bags.

National Standards

TAGS:National Standard for Plastic Woven SacksGB/T8946-2013

Date:2008-08-22

This standard specifies plastic packaging, Transportation, Storage requirements. This standard applies to polypropylene, Polyethylene resin is the main raw material. Through extrusion, Drawn into flat filaments Further weaving, Plastic woven bags made for packaging powdery or granular solid materials and flexible items (hereinafter referred to as "bags") 。

Reference Standard

The provisions contained in the following standards: Provisions forming part of this standard by reference in this standard. At the time of this standard's publication, All displayed versions are valid. All standards will be revised. Parties using this standard should discuss the use of the following standards.***The Possibility of a New Version.

GB/T 1039-92 Plastic Mechanical Property Testing Methods - General Principles

GB/T 1040-92 Plastic Tensile Property Test Method

GB/T 2828-87 Batch inspection counting sampling procedures and sampling sheets (for inspection of continuous batches)

GB 2918-82 Standard Environment for Plastic Sample Condition Adjustment and Testing

GB/T 4857. 5-92 Packaging | Transport Packaging Units | Drop Test Method

GB/T 5009. 60-1996 Analytical methods for hygiene standards of shaped products made of polyethylene, polystyrene, and polypropylene for food packaging

GB 9687-88 Sanitary Standard for Polyethylene Molding Used in Food Packaging

GB 9688-88 Sanitary Standards for Polypropylene Molding Products Used in Food Packaging

Product Categories

Variety

Polypropylene bags, categorized by primary constituent materials. Polyethylene bags.

Based on sewing techniques, they are categorized into seam-bottom bags, Seam-bottom pouch

Test Method

Tensile Load

Test Conditions

Please provide the Chinese content to be translated.GB/T 1039 Regulations are in effect. Samples are tested at temperatures23℃±2° C, Moisture Level Adjustment4hAnd tests were conducted under these conditions.

Testing equipment should comply withGB/T1040-1992 Chapter6Section on Equipment Regulations: Jig spacing is200mmThe empty vehicle descends at a speed of200mm/min±20mm/min。

Sampling Method

By taking the stitched rolled surface as the sampling surface, take the warp and weft directions from each bag. Edge direction Two samples each of stitched bottom fabric. Long300mmApprox. width60mmPlease revise to:50mmPlease provide the Chinese content to be translated.***Leave any seam that extends beyond half an inch. The seam allowances on both sides of the sample should be appropriately lengthened, with three knots tied on each side.

Record the tensile load of the sample and take the arithmetic mean.

If the sample breaks or slips in the fixture during testing, affecting accuracy, a new sample should be used to repeat the test.

Heat resistance

Remove two specimens each from the warp and weft directions from the bag, length300mmComma, wide20mm。

Overlap the surfaces and apply9.8 NThe load, place into80Oven at ℃1hRemove the two overlapping specimens immediately after extraction, and inspect the surfaces for any abnormal conditions such as sticking or melting marks.

Drop resistance

Test environment is at room temperature and humidity.

The test site is a level concrete surface.

Fill factor0.80～0.85。

Testing quality and material selection

TABagged style20kgPolypropylene, polyethylene resins, or materials of equivalent density.

ABagged25kgPolypropylene, polyethylene resins, or materials with equivalent density.

BBagged style40kgUrea or material with equivalent density.

CType bags50kgUrea or material with equivalent density.

Test Sequence

******Vertical—Horizontal—Lateral

Second Article: Horizontal—Lateral—Longitudinal

Section 3: Lateral—Vertical—Horizontal

Place the sample1.2mThe high degree of free fall, by5.7.5Perform three drop tests in the specified sequence, inspect for any bag破裂 (tearing) and packaging loss.

Sanitary performance

Please provide the Chinese content to be translated.GB/T5009.60Regulations are in effect.

Inspection Regulations

Lotting

Products of the same model and specification are considered a batch, with no batch exceeding1510,000.

Sample

Bag appearance and deviation qualification determinationGB/T2828A specified normal sampling plan is conducted.(See Table5)Each woven sack is a sample unit.

Tensile load - random sampling per batch5Stripe,Amongst2Item for spare,3Strip5.5.3Sample measurement.

Other inspection items are as specified in Item No.5The article stipulates random sampling, with the sample quantity to meet the testing requirements for the necessary items.

Inspection Category

Factory inspection items include tensile load.

Type Inspection

The type testing items include all items in the technical requirements. Generally, an annual inspection is conducted. Type testing should be carried out under any of the following conditions:

a) Trial定型qualification for new or existing products being transferred for factory production.

b) After formal production, if there are significant changes in structure, materials, or process, which may affect product performance;

c) Upon resuming production after a long-term halt.

d) When the factory inspection results show a significant difference from the last type inspection;

e) The national quality supervision authority requires type testing.

6.4Evaluation Rules

Sample Unit Quality Assessment

The appearance and deviation of the bags are inspected according to requirements. If all items pass the inspection, the sample unit is deemed qualified.

Quality Assessment of Qualified Batch

Bag appearance and deviation qualification determinationGB/T2828The specification is conducted by expressing the batch quality in terms of the number of defective units per hundred, typically at a general inspection level.ICompliant quality levelAQL) For6.5Please refer to the specific regulations in the table.5。

If there are any不合格 items in the tensile strength test, the original batch should be re-sampled in double the amount to retest the不合格 items. If the retest results are all合格.,The batch is deemed qualified.

Heat Resistance Test

If the heat resistance test fails, the type test is considered不合格.

Drop Test

If the drop test is not passed, the type test is considered不合格.

Sanitary Performance

If any hygiene performance indicators are not up to standard, the type examination is deemed不合格.

Branding, Packaging, Transportation, Storage

Trademark

The product packaging should include the manufacturer's name, product name, specifications, quantity, standard number, trademark, and manufacturing date. Special requirements shall be decided through negotiation between both parties.

Packaging

Bag packaging should be sturdy, flat, and suitable for transportation.

The number of items per package is subject to negotiation between both parties.

Each package should contain a product quality certificate.

Transportation

Bags should be handled with care during transportation, avoiding sun and rain to ensure the integrity of the packaging.

Storage

Bags should be stored in a cool, clean indoor area, with a storage period not exceeding eighteen months from the date of manufacture.

Woven bags, woven bag pockets, snake skin bags, Sichuan woven bags, fertilizer packaging bags, color-printed woven bags