Resources
What AFS means in foundry sand
A buyer-focused explanation of AFS in foundry sand and why it matters during material review.
Read guideBuyer guides and procurement context
Buyer guides and material resources
Short procurement-focused explainers for AFS, K-value, Al₂SiO₅, RFQ handling, documents, and delivery terms.
Resources
What K-value means in PVC resin
A plain-English explanation of K-value in PVC resin and why buyers use it to screen resin grades.
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What Al₂SiO₅ is used for
A direct explanation of Al₂SiO₅ in refractory procurement and why buyers care.
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How RFQ, documents, and delivery work
A procurement-focused explanation of how RFQ details, documents, and delivery terms fit together.
Read guideNeed a term-by-term view too?
Use the glossary for quick definitions of AFS, K-value, Al₂SiO₅, Incoterms, and document labels used across the site.