Construction bag

Portland Cement Kraft Bags - Standard 25kg & 50kg Valve Bag Supply from Chinese Manufacturer

Industrial-Grade Construction Protection  

A professional supplier of 25kg and 50kg Portland cement valve packaging bags in China. Provide high standard, moisture-proof kraft paper valve pockets with competitive factory prices and customized printing services. Reliable gold medal suppliers ensure stable supply. Inquire now!

Key Features:  

• Standard Sizes: Reliable 25 kg and 50 kg cement bag for global standard requirements.

• Superior Material: Durable kraft paper with valve for dust-free filling and moisture resistance.

• Direct Supply: As a leading China supplier, we offer factory price and consistent quality.

• Customization: Printing service available for your brand on portland cement packaging.

Critical Applications:  

- Composite Manufacturing (Fiberglass, carbon fiber prepregs)  

- Adhesive Production (Epoxy, polyurethane packaging)  

- Construction Sites (Concrete repair resin storage)  

- Marine & Aerospace (Specialty resin transport)  

Technical Specs:  

→ Material: 150-200gsm woven PP + 50μm PE lamination  

→ Temperature range: -30°C to 80°C  

→ Closure types: Ziplock, heat-seal, or valve

Product Detial

Material：Kraft paper laminate pp woven,Bopp film, bopp pp woven, woven polypropylene, woven pp

Dimension size：25cm to 200cm, 30cm, 40cm, 48cm, 50cm, 60cm, 65cm, 75cm, 200cm

Loading capacity：2kg, 5kg, 10kg, 20kg, 25kg, 50kg,
20LB 25LB 30LB 35LB 40LB 45LB 50LB 55LB 60LB

Material thickness：50gsm, 60gsm,70gsm, 80gsm, 90gsm, 100gsm, 110gsm, 120gsm, 150gsm, 180gsm

Characteristic：waterproof, moisture proof, new strong sack bag,
cost effective, economical, automatic production, high strength

Logo artwork printing：Offset printing, flexo printing, gravure, UV, CMYK

Color：Red,white,blue,Green,black,yellow,1-9 colors

Bag Top：Big full open, valve bag, fold, easy strip 

Bag Bottom：Block bottom,flat bottom, pasted, stitch, single folded, single stitch, double stitch, hot seal, heat seal

Liner: LDPE, HDPE, PP liner, PE lining

Usage：

Package charcoal, flour, feed, animal food chemical, resin, fertilizer,
sugar, food

Features Selection：

1. Waterproof, moisture proof.
2. Automatic production, high strength and heavy loading capacity.
3. Recyclable, recycled, economical.
4. Nice beautiful full page printing.