Buyer guides
Practical guides for raw-material buyers.
Short, practical explanations of the grade choices that matter when you buy polymers and chemicals, and what to include in an enquiry.
5 min read
PE100 vs PE80: choosing pipe-grade polyethylene
What PE100 and PE80 mean, how the class sets pipe pressure and wall thickness, when to choose PE100-RC, and what to send for a pipe-grade quote.
Read the guide
4 min read
PVC K-value explained: which grade for pipe, profile or film
What the K-value of suspension PVC means, typical K-values by application, how they compare with SG grade names, and what to send for a PVC resin quote.
Read the guide
4 min read
How to choose an EVA grade: VA content and melt index
How vinyl acetate content and melt flow index decide the right EVA grade for footwear foam, hot-melt adhesives, solar encapsulation and film, and what to send for a quote.
Read the guide