Protective Products

8 products

Frequently asked questions

What is void fill and when should I use it?

Void fill is used to fill empty spaces in packages, preventing products from shifting during transit. It cushions and protects items from impact, making it ideal for fragile or irregularly shaped goods. Available in paper, air cushions, or biodegradable materials, void fill improves presentation, reduces damage, and helps you deliver products safely and securely.

Is bubble wrap still an effective packaging solution?

Yes, bubble wrap remains one of the most versatile and effective protective materials. Its air-filled bubbles absorb shock and vibration, making it ideal for wrapping delicate or breakable items. It’s lightweight, flexible, and reusable, offering excellent cushioning without adding much to shipping weight — a cost-effective option for many industries.

When should I use silica gel in packaging?

Silica gel is used to absorb moisture within packaging, helping to protect products that are sensitive to humidity or condensation. It’s especially useful for electronics, leather goods, food products, pharmaceuticals, and metals prone to rust. Adding silica gel sachets helps maintain product quality during storage and transit, especially over long distances or in changing climates.

What’s the difference between foam and polystyrene packaging?

Foam packaging is soft, flexible, and ideal for cushioning and surface protection. It conforms to product shapes and is commonly used for electronics, glassware, and delicate items. Polystyrene packaging, by contrast, is rigid and lightweight — ideal for insulation and bracing heavier or bulky products within boxes. Both offer excellent protection but serve different purposes.

Are your protective packaging materials recyclable or eco-friendly?

We offer several protective packaging options that are recyclable, biodegradable, or made from recycled materials. For example, some void fill and paper-based products are curbside recyclable. We’re also committed to helping customers reduce reliance on single-use plastics by recommending sustainable alternatives wherever possible.

Can Castle Industrial help me choose the right protective packaging?

Yes. Our team is on hand to recommend the most suitable protective packaging based on your product type, shipping method, and handling requirements. Whether you need moisture protection, impact cushioning, or space-efficient packing, we’ll help you choose the right solution to reduce damage, lower costs, and improve customer satisfaction.

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Whether you’re unsure on your needs, or want to know more about the specific products we’d suggest you use, you can get in touch with our specialists today by using the contact links below…

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