
Manufacturer of 20kg 25kg 40kg 50kg Chemical Building Material White Brown Multi Ply Kraft Paper Valve Portland White Cement Bags
Zhejiang Shenze Packaging Co., Ltd.- Feature:Moisture Proof, Recyclable, Bio-Degradable, Shock Resistance, Antistatic
- Material:Paper
Base Info
- Trademark:SZ
- Specification:Large
- Transport Package:by Pallets & Cloth Bag
- ODM & OEM:Supported
- Bag Size:Customized
- Printing:Customized
- Bag Weight Capacity:10-50kg
- Bag Variety:Upright Bag
- Raw Materials:Kraft Paper
- Making Process:Composite Packaging Bag
- Shape:Square Bottom Bag
- Model NO.:SZV 500-50
- Origin:Wenzhou
- HS Code:4819400000
- Production Capacity:200000000
- Package size per unit product:16.00cm * 13.00cm * 12.00cm
- Gross weight per unit product:50.000kg
Description
Basic Info.
Model NO. SZV 500-50 Shape Square Bottom Bag Making Process Composite Packaging Bag Raw Materials Kraft Paper Bag Variety Upright Bag Bag Weight Capacity 10-50kg Printing Customized Bag Size Customized ODM & OEM Supported Transport Package by Pallets & Cloth Bag Specification Large Trademark SZ Origin Wenzhou HS Code 4819400000 Production Capacity 200000000Packaging & Delivery
Package size per unit product 16.00cm * 13.00cm * 12.00cm Gross weight per unit product 50.000kgProduct Description
China Multiwall Kraft Cement Paper Bag With Block Bottom and Valve Top
Paper Bag Description

Product Name | Multiwall Kraft Paper Bag |
Other Names | Valve Bag,Cement Bag,Packaging Bag |
Bag type | Central seal type,seal on the bag back |
Raw Material | 1. Multi layer kraft paper 2. Kraft paper + PE layer 3. 100% new PP Material 4.pp woven compound As per customers' requirement |
Normal Standard Size | 45 x 52 x 10 cm (25kg) / 50 x 65 x 10 cm (50kg) or as request |
Application | Packing cement. industrial raw material, cement, flour ,Powder, granular and schistose products of building material and chemical etc. |
Printing (optional) | 1. Offset Printing (economical) 2. Flexo Printing (deluxe) 3. Colorful BOPP Printing (luxury) |
Bag Top Design | 1. Whole top opening 2. Outer valve opening 3. Inner valve opening |
Bag Bottom | Square bottom or Hemmed or Sewn |
Packing | 200 pcs /bale, Customized& by pallets |
Bag Width | Normal between 350---750mm,According to customer's demand |
Bag Length | Normal between 300~1360mm,According to customer's demand |
Bottom Width | Normal between 80-210 mm,According to customer's demand |
Glue used | PP & HDPE, (white & coloured material) |
GSM | 70gsm to 100gsm per your requirement |





Production process technology
We are the manufactuer with full set of the equipments(Including detecting,plastic woven fabric drawing and weaving, laminating,bag shaping and making,drop testing, packing delivery etc.) and we have strict QC controll in every production process.

Bag inner liner | Hot melting crossing pasted&Crossing Pasting |
Bag Top | 1).Open mouth, Heating & Cold cutting2).For making valve bag,Top pasted with valve(Outer valve&Inner Valve) |
Bag Bottom | 1).For sewn bags: Inner film heating seal, sewing and glue tape covering Also support sewn lines at outside single or double folded , single or double sewing 2).For valve bags&square bottom bags: We making it by machine,using pasting method |
Material selecting | Basing on customer's sample bag and requirement. We will give the matched material suggestion. Every type material choosed will be after a series strict quality inspection like testing tension, smoothness, structure, gram, white degree etc. |
Printing | All type flexo & offset printing pattern can be printed in our factory |
Features | UV-protection, moisture proof,ultrasonication |
Perforating | PVC perforating,full perforating etc.According to customer's demand |
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Anything more you want to know?

Trade Terms | CIF,FOB,CRF,EXW etc. |
Packing | By pallet & by cloth bale.customized.For example:200pcs/ bale |
Sample | available for free,freight collected |
Delivery time | Normal 10-15 days after receiving deposit.According to quantity,production season. |
Payment | T/T, Paypal, L/C etc. |