MMC white powder

melamine moulding compound powder

Melamine Resin Powder MMC Melamine Moulding Compound

Category: Melamine Moulding Compound Tags: melamine compound powder, melamine molding powder, Melamine Moulding Compound

Attribute difference between A1 and A5

Differences	Melamine Moulding Compound A5	Urea Moulding Compound A1
Composition	Melamine formaldehyde resin about 75%, pulp (Additlves) about 20% and additives (ɑ-cellulose) about5%; cyclic polymer structure.	Urea formaldehyde resin about 75%, pulp (Additlves) about 20% and additive (ɑ-cellulos) about 5%.
Heat Resistance	120 ℃	80 ℃
Hygienic Performance	A5 can pass the national hygienic quality inspection standard.	A1 generally cannot pass the hygienic performance inspection, and can only produce products that do not directly contact with food.

Description

Product Name	Melamine Moulding Compound (MMC)A5
Item	Index	Result
Appearance	White Powder	Qualified
Mesh	70-90	Qualified
Moisture	＜3%	Qualified
Volatile Matter %	4	2.0-3.0
Water Absorption (cold water), (hot water) Mg，≤	50	41
Water Absorption (cold water), (hot water) Mg，≤	65	42
Mold Shrinkage %	0.5-1.00	0.61
Heat Distortion Temperature ℃	155	164
Mobility (Lasigo) mm	140-200	196
Charpy Impact Strength KJ/m2.≥	1.9	Qualified
Bending Strength Mpa,≥	80	Qualified
Extractable Formaldehyde Mg/Kg	15	1.2

A5 is widely used in melamine tableware, melamine tableware, medium and

low voltage electrical appliances, and other flame-retardant products.

A1 is mainly used to produce toilet seats.

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