what is hb pencil

... With Eraser Graphite Quick Details Type:Standard s Lead Color:Black Body Material:graphite Packaging:Set Use:Office & School...

..., breaking the monotonous appearance of traditional , making you feel like holding a small hockey stick when using it, full of vitality and ...

... For kids , 2B / Material :Linden Wood, black wood , soft wood Type :Colored s,eraser is allowed Size :Normal Shape :...

Name: Cheapest and Good HB-12B School & Office Wooden Pencil without eraser/drawing pencil Specifications: Wood Soft wood , red wood, basswood , popla...

3.5 inch 6pcs natural colour set with sharpener custom gift mini color Product Description: Pen size: 3.5inch/7inch Ink color: Multicolo...

FOB Shenzhen Price: US $0.025 - 0.05 / Piece Min.Order Quantity: 30000 Piece Payment Terms: T/T,Western Union Delivery Detail: 20 days after confirmin...

...steel ball (g·cm) Pass Wear resistance (700g / 500r) ≤0.03g Hardness (H) ≥3 Coverage (advise 2 coats) 0.25kg/sqm per coat Quick Details: The...

... for over 30 years,our lead conform to the EN71 and ASTM standard and well export to everywhere of the world. our lead have : B-9B H-9H co...

Product Description: The Metallic Powder Coat is a high-quality powder coating product that offers superior gloss and color retention, making it an ex...

... to 32um Coating flexibility (T-bend) PVDF paint≥2T 3T Color different ΔE=HB Chemical resistance 5%HCI or 5% NaOH test in 24 hours -No change;ASTM ...

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... constant pressure, the simulation of product point, written test, life will also test head to switch to the hardness test was carried ou...

Quick Detail: Name color steel Brand Name Dragon Test Item STANDARD T Bending OT-3T Hardness Impact ≥9J Mek(Time) ≥100 Salt Spray ≥720hr Aci...

nano flame retardant film low haze high transparency Description Standard Results Composite film thickness (um) GB/T 6672 ≥ 65 Film width (m) GB/T 667...