Rincian Kemasan
Waterproof paper + wooden frame
1. The wooden base frame is generally made of pine or cypress.
2. Waterproof paper made of asphalt interlayer in paper with low water permeability, or polyethylene interlayer paper with polyethylene film as the interlayer, or polyethylene waterproof paper made of single-sided pressure-bonded polyethylene film, etc.